TOF Action Plan Page
TOF Action Plan Page
Year 2000
26/10/2000 * 05/10/2000 * October *Year 1999
09/12/1999 * 02/12/1999 * December *== TOF MEETING - 26/10/2000 ========================================== PRESENTATIONS ============= Ivan F: Commissioning Run (here)back to summary list
== TOF MEETING - 05/10/2000 ========================================== PRESENTATIONS ============= Dennis: Progress DeCaf Board (here) Chun: Progress TOAD Board (here) Ivan/Koji: News from Tests Stand (0,1,2)back to summary list
== TOF MEETING - 27/04/2000 ========================================== STATUS ====== TOF status for CDF Upgrade Meeting (here) ACTION PLAN =========== Ivan/Youngdoh/Susana: PMT calibration status (here)back to summary list
== TOF MEETING - 20/04/2000 ========================================== STATUS ====== TOF status for CDF Upgrade Meeting (here) ACTION PLAN =========== Ivan/Youngdoh/Susana: PMT calibration status (here)back to summary list
== TOF MEETING - 13/04/2000 ========================================== STATUS ====== TOF status for CDF Upgrade Meeting (here) ACTION PLAN =========== no recordback to summary list
== TOF MEETING - 06/04/1999 ========================================== STATUS ====== no new TOF status for CDF Upgrade Meeting ACTION PLAN =========== Ivan/Youngdoh/Susana: PMT calibration status (here)back to summary list
== TOF MEETING - 30/03/1999 ========================================== STATUS ====== no new TOF status for CDF Upgrade Meeting ACTION PLAN =========== no recordback to summary list
== TOF MEETING - 23/03/1999 ========================================== STATUS ====== no new TOF status for CDF Upgrade Meeting ACTION PLAN =========== Youngdoh's presentation on PMT testing (here)back to summary list
== TOF MEETING - 16/03/1999 ========================================== STATUS ====== no new TOF status for CDF Upgrade Meeting ACTION PLAN =========== Ivan/Youngdoh/Susana: PMT calibration status (here)back to summary list
== TOF MEETING - 09/03/2000 ==========================================
STATUS
======
TOF status for CDF Upgrade Meeting (here)
ACTION PLAN
===========
Organisation
- Christoph and Joe have to organise installation and commissioning
(when do we want help from Italy?)
- Christoph will straighten out the funding situation
- Chuck will investigate cost for machining
Mechanics
- 3-Pack assembly will be finished for the weekend
- cabeling plan has to be detailed
- Gerry/Konstantin will measure the cable length with a string
- Gerry will order the remainig 8 BICRON bars on the MIT account
- Rich/Chuck/Gerry/Christoph need to discuss installation of lower bars
PMT
Presentation on PMT testing (here)
- FNAL: Chuck will talk to Pat concerning the drawings for Ivan's "box"
- Fumi should figure out whether the problem of the Laser causes
delay and whether April magnet time is available
-- ## we cannot afford any delay ## --
Calibration System
- we have to find out how to install the fibers in the magnet
back to summary list
== TOF MEETING - 02/03/1999 ========================================== STATUS ====== no new TOF status for CDF Upgrade Meeting ACTION PLAN =========== Presentation on PMT testing (here)back to summary list
== TOF MEETING - 10/02/2000 ========================================== STATUS ====== TOF status for CDF Upgrade Meeting (here) ACTION PLAN =========== Organisation - detailed plan for the commissioning and the further installation will be developped Mechanics - 3-Pack assembly resumed when PMT covers come in from Italy; they were sent yesterday - complete survey of the single 3-packs will be done (Rick) to be continued ....back to summary list
== TOF MEETING - 20/01/2000 ========================================== STATUS ====== TOF status for CDF Upgrade Meeting (here) ACTION PLAN =========== no recordback to summary list
== TOF MEETING - 13/01/2000 ========================================== STATUS ====== TOF status for CDF Upgrade Meeting (here) ACTION PLAN =========== Ivan V.s presentation on PMT testing (here)back to summary list
== TOF MEETING - 09/12/1999 ========================================== STATUS ====== TOF status for CDF Upgrade Meeting (here) ACTION PLAN =========== no recordback to summary list
== TOF MEETING - 02/12/1999 ========================================== STATUS ====== TOF status for CDF Upgrade Meeting (here) ACTION PLAN =========== Matthews presentation on run conditions and calibration (here) Matthews presentation on signal cables (here) Ivan V.s presentation on PMT testing (here)back to summary list
== TOF MEETING - 18/11/1999 ========================================== STATUS ====== TOF status for CDF Upgrade Meeting (part1, part2) ACTION PLAN =========== Matthews presentation on the preamp re-design (here) Ivan V.s presentation on PMT testing (here)back to summary list
== TOF MEETING - 11/11/1999 ==========================================
STATUS
======
TOF status for CDF Upgrade Meeting (here)
ACTION PLAN
===========
a) ToF general stuff
b) Shelves / Scintillator
- shelf production starts on Friday and is expected to finish on
Monday
- template will be finished by Friday installation starts on
Monday Nov 15 and is expected to end by thanksgiving
- keep magnet schedule in mind .. Dec 5 seems to be the date when
it starts to be inaccessible
- a thin 3 pack prototype will be assembled tomorrow with Karen,
Pat, Gerry and Christoph (fiber inclusion is making things
complicated)
c) Aluminum PMT support
- Fabrizio says that PMT covers will be shipped end of this week
- cap design will be finalized next week (published here soon)
- Winston cones should arrive soon
- stainless steel tube will be available soon
- Matthew/Joe will be at Fermilab in next week where Karen & Co
get a lecture on the base assembly
- Chuck/Rich will order conformal coating
d) Test stand
- Ivan F./Gerry/Christoph continue setup of second test stand,
measurements of optical connections, and potential HV problem
- Ivan V. and Gerry are further persuing the laser operation at
test stand one
e) PMT
- 34 (or 35) tubes are on their way to Fermilab .. arrived on
Friday
f) Electronics
- Penn group will further test the layout of the connector boards
- development of transition board is going on
- 2 final tube assemblies are expected to be ready in 1 week
- HV cable has been purchased and presnetly shipped
- preamp gain has been reduced by a factor of 3
AGENDA ITEMS NEXT WEEK
======================
a) Status of Shelf installation
b) Status of Inner PMT Pieces
c) Status of 3Pack Assembly
d) Status of Preamplifier
back to summary list
== TOF MEETING - 04/11/1999 ==========================================
STATUS
======
TOF status for CDF Upgrade Meeting (here)
ACTION PLAN
===========
a) ToF general stuff
- Pisa will procure a positive CAEN HV system (2.5 kV) which will
be shipped to Fermilab soon (extension to 3 kV would be optional
since money is reserved therefore)
b) Shelves / Scintillator
- Christoph: find manpower for installation of the shelves (Ivan
F., Andreas K., Ilya, Gerry, Christoph) and talk to Dee
- template will be machined starting on Monday Nov 8 and is
expected to be ready within the week starting Monday Nov 15
- assembly of shelves starts next week; missing slotted hangers
(35 of total 45 are missing) will hopefully arrive until next
week
- keep magnet schedule in mind .. no fixed date when it is
inaccessible
- a thin 3 pack prototype will be assembled next week (including
everything: stainless steel shim, optical fibers, final PMT
covers)
c) Aluminum PMT support
- Christoph will contact Fabrizio concerninig the status (done)
- Chuck will take care of shaving the 10 available sets of PMT
covers to the thin dimensions
- cap design will be finalized next week (published here soon)
- Rich will make the list and status of all small pieces
available as a postscript file to be put on the WEB (here)
- Winston cones are machined at Rutgers and need final polish;
will be shipped next week.
- stainless steel tube will be delivered next week
- Rich and Chuck will send out connector board dimensions to
Matthew
- Matthew/Joe will be at Fermilab in two weeks where Karen & Co get
a lecture on the base assembly
- Chuck/Rich will order conformal coating
d) Test stand
- Ivan F. continues setup of second test stand
- Ivan V. and Gerry are further persuing the laser operation at
test stand one
e) PMT
- Fumi reports on significant changes in the availability of the
magnet at KEK; Fumi and Joe are investigating possibilities for
PMT tests at Fermilab
- 34 (or 35) tubes are on their way to Fermilab
f) Electronics
- Penn group will further test the layout of the connector boards
- development of transition board is going on
- 2 final tube assemblies are expected to be ready in 2 weeks
g) Laser Calibration System
- Karen is aware of the fiber installation after discussion with
Bill and will find the best way for attaching the fibers to the
bars (1mm precision of the location is the goal)
AGENDA ITEMS NEXT WEEK
======================
a) Status of Shelves
b) Status of Inner PMT Pieces
c) Status of 3Pack Assembly
d) Plans for PMT Testing
back to summary list
== TOF MEETING - 28/10/1999 ==========================================
ACTION PLAN
===========
a) ToF general stuff
- Joe, Christoph: TOF funding document for the PAC in Nov has to
be finished (here)
- Christoph: find manpower for installation of the shelves
b) Scintillator
- template goes to shop today and machining starts on Friday
- keep magnet schedule in mind:
Nov 8: plugs start to close
Nov 11-13: access is not anymore possible
c) Aluminum PMT support
- Christoph will contact Fabrizio concerninig the status
- inner PMT cover all parts are signed off exept for the closing
cap since installation needs to be re-thought and finalized
- Rich will make the list and status of all small pieces
available as a postscript file to be put on the WEB
d) Test stand
- Ivan F.: sets up second test stand for production measurements
of the scintillator bars; task for functionality check is a
cross check of Matthews simulation (presentation,)
- scintillator note summarising the attentuation length
measurements will be published this week (here)
e) PMT
- Fumi has made a new note availabe summarising the PMT tests done
so far at KEK in Japan (here)
- 34 (or 35) tubes will be shipped to Fermilab soon
- tests are continuing
- Christoph/Gerry: last PMTs have to be purchased (MIT funds)
f) Electronics
- Penn group will further test the layout of the connector boards
- development of transition board is going on
- 2 final tube assemblies are expected to be ready in 2 weeks
g) Laser Calibration System
- Bill Carithers has published a note on the Laser Calibration
System (here)
- it is very important to define the way the fibers are attached to
the bar, this is need to define the 3pack assembly procedure:
Bill will talk to Karen about the attachment procedure
AGENDA ITEMS NEXT WEEK
======================
a) Status of Shelfs
b) Status of Inner PMT Pieces
c) Status of 3Pack Assembly
back to summary list
== TOF MEETING - 09/09/1999 ==========================================
ACTION PLAN
===========
a) ToF general stuff
- Christoph as to write a TOF installation safety document (second
round); especially welding in the magnet
b) Scintillator
- Rich will talk to the survey people concerning the marks in the
solenoid (next week)
- Chuck and Rich final shelf drawing and bids will be produced
during this week.
c) Aluminum PMT support
- Jim Mulvey will change the drawings of the outer PMT covers
which needed a small correction before going to production
- inner PMT cover id partially signed off; the Winston cone is in
production at Rutgers and the plastic pieces for protecting the
PMT pins are going to be send out too; the remaining inner PMT
pieces will be finalised when the material from Penn arrives
check out drafts and decisions
- Rich will make the list and status of all small pieces
available as a postscript file to be put on the WEB
- Gerry/Christoph will talk to Rick Schmitt about the heaters
d) Test stand
- Test stand crew will continue with the note summarising the
attentuation length measurements
- Test stand crew will continue with resolution measurements in
the magnet
- Gerry will continue to set up the Nitrogen Laser... actually the
laser is working
e) PMT
- together with the PMT purchase a plan for the Engineering Run
and TOF readiness has to be developped
f) Electronics
- Penn group will further test the layout of the connector boards
AGENDA ITEMS NEXT WEEK
======================
a) Status of Shelfs
b) Status of Inner PMT pieces and outer covers
back to summary list
== TOF MEETING - 02/09/1999 ==========================================
ACTION PLAN
===========
a) ToF general stuff
- Christoph as to write a TOF installation safety document (second
round); especially welding in the magnet
b) Scintillator
- Rich will talk to the survey people concerning the marks in the
solenoid (next week)
- Chuck and Rich will further work on the shelf mockup; final
drawing produced until the weekend, on Tuesday next week Chuck
will arrange for bids/orders of the final shelves
c) Aluminum PMT support
- inner PMT cover sign off will need a prototype to be built;
Matthew sends out all necessary pieces (real base/preamp)
- Chuck and Rich will look at a prototype of the PMT covers
- Rich will make the list and status of all small pieces
available as a postscript file to be put on the WEB
- Gerry/Christoph will talk to Rick Schmitt about the heaters
d) Test stand
- Test stand crew will continue with the note summarising the
attentuation length measurements
- Test stand crew will continue with resolution measurements in
the magnet
- Gerry will continue to set up the Nitrogen Laser
e) PMT
- together with the PMT purchase a plan for the Engineering Run
and TOF readiness has to be developped
f) Electronics
- Penn group will further test the layout of the connector boards
g) Cables and Connectors
- Joe will send reminder e-mail to Italy about HV cables
- Christoph will ask Rob for general schedule for COT/CDF cabeling
h) Calibration system
- Bill will continue his studies; positive results obtained so far
AGENDA ITEMS NEXT WEEK
======================
a) Status of Shelfs
b) Status of Inner PMT pieces and outer covers
back to summary list
== TOF MEETING - 26/08/1999 ==========================================
ACTION PLAN
===========
a) ToF general stuff
- Christoph as to write a TOF installation safety document (second
round); especially welding in the magnet
b) Scintillator
- Christoph will figure out where the money for the remaining bars
come from (ask Young Kee for more details)
- Rich will talk to the survey people concerning the marks in the
solenoid
- Chuck and Rich will further work on the shelf mockup; final
design will be exercised tomorrow; final drawing produced
beginning next week; bids/orders afterwards
- Matthews study shows that the wrapping in black wrap and white
wrap does not make a big difference; painting edges black makes
a small difference, painting/wrapping the winston cone is no big
difference (presentation, design decision)
c) Aluminum PMT support
- inner PMT cover sign off will need a prototype to be built;
Matthew sends out all necessary pieces (real base/preamp)
- Chuck will send out some PMT cover caps to Penn
- Gerry/Christoph will talk to Rick Schmitt about the heaters
d) Test stand
- Test stand crew will continue with the note summarising the
attentuation length measurements
- Test stand crew will continue with resolution measurements in
the magnet
- Ivan starts to set up the Nitrogen Laser
e) PMT
- Ivan/Joe/Fumi PMT test measurement draft will be further worked
on
f) Electronics
- Penn group will further study and write up PMT measurements
- Penn group will prepare a discussion of the layout of the
connector boards
- Chunhui will start to do more systematic tests on the transition
board design
g) Cables and Connectors
- Joe will send reminder e-mail to Italy about HV cables
AGENDA ITEMS NEXT WEEK
======================
a) Status of Shelfs
b) Status of Inner PMT Cover Design
c) Connector Board
d) Calibration System News
back to summary list
== TOF MEETING - 19/08/1999 ==========================================
ACTION PLAN
===========
a) ToF general stuff
- Christoph as to write a TOF installation safety document (second
round)
- Fumi/Joe/Christoph: the TOF funding situation has to be
re-assessed (here)
b) Scintillator
- design decision has been taken about the alignment of the
scintillator with respect to the rest of the CDF detector (here)
- Christoph will figure out where the money for the remaining bars
come from (Young Kee ..)
- Rich will talk to the survey people concerning the marks in the
solenoid
- Chuck and Rich will further work on the shelf mockup; sign off
on the final design is prepared for next meeting
- Matthew will perform a MC study to investigate the effect of
wrapping and of painting the scintillator ends which are not
covered by the Winston cone (avoid reflection)
c) Aluminum PMT support
- Christoph will put 3D drawings of the PMT covers on the WEB as
they become available (still not yet available)
- Christoph will put drawings of the inner PMT cover on the WEB;
these are draft drawings which still need the sign-off (here)
- inner PMT cover sign off will be prepared for next week
- Chuck will send out some PMT cover caps to Penn
- Gerry/Christoph will talk to Rick Schmitt about the heaters
d) Test stand
- Konstantin/Ilya will measure further test bars, Bicron bar with
different wrapping, and CLEO bar with improved machining (on P5)
- Test stand crew will continue with the note summarising the
attentuation length measurements
e) PMT
- Ivan's PMT test measurement draft will be further worked on
f) Electronics
- Penn group will further study and writte up PMT measurements
- Penn group will prepare a discussion of the layout of the
connector boards
- Chunhui will start to do more systematic tests on the transition
board design
back to summary list
== TOF MEETING - 12/08/1999 ==========================================
ACTION PLAN
===========
a) ToF general stuff
- Christoph as to write a TOF installation safety document (second
round)
b) Scintillator
- attenuation length measurements are now fully understood see
(Matthews presentation)
- Christoph will figure out where the money for the remaining bars
come from (Franco, Young Kee ..)
- Rich will talk to the survey people concerning the marks in the
solenoid
- Chuck and Rich will further work on the shelf mockup
c) Aluminum PMT support
- Christoph will put 3D drawings of the PMT covers on the WEB as
they become available (still not yet available)
- Gerry/Christoph will talk to Rick Schmitt about the heaters
d) Test stand
- Konstantin/Ilya will measure further test bars, Bicron bar with
different wrapping, and CLEO bar with improved machining (on P5)
- Test stand crew will prepare a note summarising the
attentuation length measurements
e) PMT
- Ivan will start to write up a document describibg the PMT tests
to be done for quality control and verification
f) inner PMT pieces
- Rutgers university is going to produce 25 prototype pieces for
Winston cone, the plastic piece and the aluminium cover
g) Electronics
- Penn group will further study and writte up PMT measurements
- Penn group will prepare a discussion of the actual layout of the
connector boards
- Chunhui will start to do more systematic tests on the transition
board design
back to summary list
== TOF MEETING - 05/08/1999 ==========================================
ACTION PLAN
===========
a) ToF general stuff
- Christoph as to write a TOF installation safety document (second
round)
b) Scintillator
- Christoph will figure out where the money for the remaining bars
come from (Franco, Young Kee ..)
- Rich will talk to the survey people concerning the marks in the
solenoid
- Chuck and Rich will produce a mockup
c) Aluminum PMT support
- Karen will provide Shinhong with one more PMT cover to bring it
to Japan
- Christoph will put 3D drawings of the PMT covers on the WEB as
they become available (still not yet available)
- Matthew/Joe will send comments about the design of the inner PMT
cover pieces
- Rich and Chuck will get a drawing made for the inner part of the
PMT support structure
- Christoph will organise a meeting for Monday afternoon to talk
about the final inner parts of the PMT covers, the meeting might
be only on Tuesday
- Gerry/Christoph will talk to Rick Schmitt about the heaters
d) Test stand
- Konstantin/Ilya will measure further test bars, Bicron bar with
different wrapping, and CLEO bar with improved machining (on P5)
- Test stand crew will prepare a note summarising the
attentuation length measurements
e) PMT
- Penn will provide at least four tubes for tests at Fermilab
(Yeah! they are already on the way)
f) inner PMT pieces
- Rutgers university is going to produce 24 prototype pieces for
Winston cone, the plastic piece and the aluminium cover.
g) Electronics
- Penn group will further study and written up PMT measurements
- Penn group will prepare a discussion of the actual layout of the
connector boards
back to summary list
== TOF MEETING - 27/07/1999 ==========================================
ACTION PLAN
===========
a) ToF general stuff
- Christoph as to write a TOF installation safety document
b) Scintillator
- Konstantin/Chuck will prepare the Bicron bar and the uncut CLEO
bar (CDF_TOF_BAR 2004) - measured recently at Fermilab - to be
shipped to Penn
- Christoph/Gerry will oreder 20 bars from Bicron to get the order
going
- Rich will talk to the survey people concerning the marks in the
solenoid
==== DISCUSSION FOR NEXT WEEK ====
- Chuck and Rich will produce a mockup
==================================================================
c) Aluminum PMT support
- Christoph will put 3D drawings of the PMT covers on the WEB as
they become available (still not yet available)
- Christoph will talk to Rick Schmitt about the heaters
==== DISCUSSION FOR NEXT WEEK ====
- Rich and Chuck will get a drawing made for the inner part of the
PMT support structure
- Penn people will think about the connectors attached to the PMT
covers since this needs to be signed off too
==================================================================
d) Test stand
- Konstantin will measure as a final test the integrated pulse
heights of the CLEO bar at several points to assure the decrease
in pulse height (done: roughly a pulse height ratio of 9 is
observed between the two ends)
- Pat/Karen are going to produce a rectangular bar on P5
- Pat/Karen are going to produce a black wrapped bar to be
measured at the test stand
- Test stand crew needs to document the attenuation length
measurements
e) PMT
- Penn people investigate possibility of protecting the PMTs
better at the wires (Hamamatsu will be contacted concerning the
broken PMT)
- Penn will provide at least two tubes for tests at Fermilab
- Shinhong/Fumi will talk to Hamamatsu about the anode current
f) inner PMT pieces
- Chuck is going to order 24 Winston cones from local enterprises
g) Electronics
- PMT measurements will be further investigated and written up (first draft)
back to summary list
== TOF MEETING - 22/07/1999 ==========================================
ACTION PLAN
===========
a) ToF general stuff
- TOF installation safety has to be worked out
- Christoph is going to organise extraordinary meeting for next
week
b) Scintillator
- John/Phyllis and co will bevel remaining 30 Bicron bars
- Christoph will contact Bicron concerning bar polishing and
extending the order
- Chuck contact Chuck Hurlbot concerning machining experiences
- Rich will cross check the magnet survey results which seem to
be somewhat smaller than anticipated
==== DISCUSSION FOR NEXT WEEK ====
- Chuck and Rich will test the method for shelf welding by
producing a mock
==================================================================
c) Aluminum PMT support
- Christoph will put 3D drawings of the PMT covers on the WEB as
they become available (still not yet available)
==== DISCUSSION FOR NEXT WEEK ====
- Rich and Chuck will get a drawing made for the inner part of the
PMT support structure
- Penn people will think about the connectors attached to the PMT
covers since this needs to be signed off too
==================================================================
d) Test stand
- Christoph/Konstantin will measure the second uncut CLEO bar and
try out further new polishing techniques for the CLEO bars
- Pat/Karen are going to produce a rectangular bar on P5
- Chuck is going to give two bars to industries for cutting
- Test stand crew needs to document the attenuation length
measurement
e) PMT
- Penn people investigate possibility of protecting the PMTs
better at the wires (Hamamatsu will be contacted concerning the
broken PMT)
f) inner PMT pieces
- Chuck is going to order 24 plastic pin holders and 24 Winston
cones from local enterprises
g) Electronics
- PMT results discussed by Matthew this meeting (here) will be
further investigated and written up (first draft)
- Laser will be prepared at Penn for the calibration system tests
with Young-Kee
back to summary list
== TOF MEETING - 15/07/1999 ==========================================
ACTION PLAN
===========
a) ToF general MoU and WBS
- Terri Shaw will write up the ADMEM orders
- Christoph needs to sign the ADMEM order
b) Scintillator
- Karen and co will measure the last 30 Bicron bars
- John/Phyllis and co will bevel these bars first
- Christoph will contact Hurlbot/Bicron concerning bar polishing
- Rich will cross check the magnet survey results which seem to
be somewhat smaller than anticipated
- Matthew will cross check the Winston Cone numbers form Gerry
- Christoph will prepare delivery of Scintillator bar to Rome and
Pisa
- Walt/Matthew will send the last CLEO spare bar from Penn to FNAL
Still the bar has not yet arrived
==== DISCUSSION FOR NEXT WEEK ====
- Chuck and Rich will test the method for shelf welding by
producing a mock
==================================================================
c) Aluminum PMT support
- Christoph will put 3D drawings of the PMT covers on the WEB as
they become available
==== DISCUSSION FOR NEXT WEEK ====
- Rich and Chuck will get a drawing made for the inner part of the
PMT support structure
- Penn people will think about the connectors attached to the PMT
covers since this needs to be signed off too
==================================================================
d) Test stand
- Christoph/Konstantin will measure the uncut CLEO bar and try out
new polishing techniques for the CLEO bars
- Pat is going to prepare a new polishing procedure
e) PMT
- Penn people investigate possibility of protecting the PMTs
better at the wires (Hamamatsu will be contacted concerning the
broken PMT)
f) Electronics
- next week PMT results will be discussed by Matthew and the
people in Penn (collaboration of Penn + Fumi)
- Laser will be prepared at Penn for the calibration system tests
with Young-Kee
back to summary list
== TOF MEETING - 08/07/1999 ==========================================
ACTION PLAN
===========
a) ToF general MoU and WBS
- Joe and Christoph need to go over the TOF time schedule
- Joe/Christoph need to figure out where the money for ADMEMs
comes from
b) Scintillator
- remaining 30 Bicron bars arrive possibily this week
- magnet survey results will be available by Friday (Rich will ask
for installation marks on the magnet)
- Gerry sends Pat final dimension of the Winston Cone (length and
shape coordinates for production) and lucid rod will be ordered
- Christoph will prepare delivery of Scintillator bar to Rome and
Pisa
- Walt/Matthew will send the last CLEO spare bar from Penn to FNAL
- Karen and crew proceed in splitting the CLEO bars and wrapping
Bicron bars
==== DISCUSSION FOR NEXT WEEK ====
- Chuck and Rich will test the method for shelf welding by
producing a mock
- physics convener will be asked for there opinion on counter
alignment with wedge
==================================================================
c) Aluminum PMT support
- Christoph will put 3D drawings of the PMT covers on the WEB as
they become available
==== DISCUSSION FOR NEXT WEEK ====
- Rich and Chuck will get a drawing made for the inner part of the
PMT support structure
- Penn people will think about the connectors attached to the PMT
covers since this needs to be signed off too
==================================================================
d) Test stand
- Christoph will verify Oscilloscope arrival (it arrived today!)
- Konstantin/Gerry will measure the attenuation length of a Bicron
bar
e) PMT
- Penn people investigate possibility of protecting the PMTs
better at the wires (Hamamatsu will be contacted concerning the
broken PMT)
f) Electronics
- preamplifier next iteration will be send out for production soon
back to summary list
== TOF MEETING - 01/07/1999 ==========================================
ACTION PLAN
===========
a) ToF general MoU and WBS
- Joe and Christoph need to go over the TOF time schedule
b) I&I discussion remainders
- Christoph needs to continue discussions with Sam Segler
concerning integration of temperature monitoring
(cables/scintillator) into slow control system
c) Scintillator
- survey of the inner solenoid will be prepared by Rich (survey
group is informed)
- Gerry sends Pat final dimension of the Winston Cone (length and
shape coordinates for production) and lucid rod will be ordered
- aluminium shims needed for putting the 3 pack prototype together
will be produced for Friday/Tuesday
- Christoph will prepare delivery of Scintillator bar to Rome and
Pisa
- Walt/Matthew will send the last CLEO spare bar from Penn to FNAL
- Karen and crew proceed in splitting the CLEO bars and wrapping
Bicron bars
- Gerry will check with Bicron when the last batch arrives
- John/Phyllis and crew will start CLEO bar production next week
==== DISCUSSION FOR NEXT WEEK ====
- method for shelf welding needs to be finalized (first very
promising tests were achieved)
- Chuck/Rich will further work on the mock up of the scintillator
shelves
==================================================================
d) Aluminum PMT support
- drawings for the outer PMT covers will be signed off on Friday
with Rich/Joe/Matthew/Bob (drawing in inches and millimeters)
- Christoph will send final drawings to Italy
==== DISCUSSION FOR NEXT WEEK ====
- Rich and Chuck will get a drawing made for the inner part of the
PMT support structure
- Penn people will think about the connectors attached to the PMT
covers since this needs to be signed off too
==================================================================
e) Test stand
- Gerry and Konstantin needs to make the test stand work since the
crate controller seems to be broken
- attenuation length of a Bicron bar will be measured when the
test stand is again working
f) PMT
- Matthew and Joe are performing systematic measurements of the
PMTs in and out of the magnetic field
- Fumi needs to talk to Hamamatsu again to understand the PMT
production procedure so that we understand what to specify for
the diameter
g) Electronics
- further discussion will be going on between Penn/FNAL/Italy
concerning the ADMEM for time measurements
- preamplifier next iteration is underway and will be send out
soon
back to summary list
== TOF MEETING - 24/06/1999 ==========================================
ACTION PLAN
===========
a) ToF general MoU and WBS
- Joe and Christoph need to go over the TOF time schedule and the
funding situation
b) I&I discussion remainders
- Christoph needs to continue discussions with Sam Segler
concerning integration of temperature monitoring
(cables/scintillator) into slow control system
- Christoph will compile the information of the layout and will
prepare the sign off for I&I
c) Scintillator
- survey of the inner solenoid will be prepared by Rich (survey
group is informed)
- Christoph will prepare delivery of Scintillator bar to Rome and
Pisa
- Karen and crew start the CLEO bar facing and splitting
- John/Phyllis and crew will start bar production: first bevel
then start with the CLEO bars from Karen
==== DISCUSSION FOR NEXT WEEK ====
- method for shelf welding needs to be finalized (first very
promising tests were achieved)
- Chuck/Rich will further work on the mock up of the scintillator
shelves
==================================================================
d) Aluminum PMT support
- Christoph will discuss the detailed production schedule with
Italy (done)
==== DISCUSSION FOR NEXT WEEK ====
- Rich and Chuck will get a drawing made for the inner part of the
PMT support structure
- drawings for the outer PMT covers will be corrected for the
small error revealed in the mock up, also the drawings will be
converted into two units (inches and millimeter)
==================================================================
e) Test stand
- Gerry and Konstantin needs to make the test stand work since the
crate controller seems to be broken
- attenuation length of a Bicron bar will be measured when the
test stand is again working
- Christoph will organise LeCroy Oscilloscopefor next week
f) PMT
- Fumi needs to talk to Hamamatsu again to understand the PMT
production procedure so that we understand what to specify for
the diameter
g) Electronics
- preamplifier test shpw that the rise time is somewhat large
which will be improved in next round
- Penn continue to discuss electronics issues with
Pisa/Rome/Fermilab
back to summary list
== TOF MEETING - 17/06/1999 ========================================== I. Mechanical The 12 prototypes of the Aluminum blocks arrived yesterday. Now we can assemble a triplet of three bars. Progress has been made on the insides of the Al block assembly: - a drawing of the cap including the spring is complete, and a model has been assembled. Matthew will send Chuck the name of the company and part numbers from which we got sample springs (done). - Matthews drawing of the plastic piece that fits between the PMT and the base has been received and transcribed. Fermilab is ready to machine a few of these. Three will be machined to be installed on tubes at Penn. Delrin is agreed on as an acceptable material. There was some discussion of the method of attaching the cylindrical cover to the Delrin. Countersunk screws are difficult, instead a ball plunger has been suggested. Chuck also reported on the shelves. Welding 0.020 in Aluminum is a problem. We discussed if we should consider another mounting scheme. The present scheme is driven by the desire to have a TOF system that could be dismantled, if necessary, without extracting the COT. If we do not require that we can extract the bars without extracting the COT, other more practical mounting schemes (e.g. a scheme similar to the CLEO scheme) could be considered. Chuck agreed to discuss this further with RS and BK (neither were present at the meeting) and to come back with a couple of alternate designs. In principle we are ready to start machining CLEO bars. Whether to polish or not is still under debate, but the polishing will not be done on the AXIOM machine, so we do not have to decide this now. We do have to decide whether we want to cut bevels on all the bars now. We reminded ourselves that we were going to cut bevels on three Bicron bars only, then assemble a first triplet with our newly arrived Al blocks to make sure it holds together as expected. Chuck said this could be done next week and is high priority. Konstantin reported on a first attempt to measure the attenuation length of an unpolished three meter CDF TOF bar machined from a CLEO scintillator bar. He looks at the ratio of signals in PMTs on both ends of the bar as a function of the position of a trigger hodoscope along the bar. The slope of this ratio as a function of hodoscope position gives the attenuation length. He finds lambda_meas = 91 cm. Assuming this is due to the natural attenuation lambda_att of the scintillator (380 cm according to Bicron) and any attenuation due to reflections (lambda_refl) he finds lambda_ref = 120 cm using 1/lambda_meas = 1/lambda_att + 1/lambda_ref. This is not good. Next step is to - compare to a polished CDF TOF bar from a CLEO bar - compare to an uncut CLEO bar - compare to a production Bicron bar Sham also measured lambda with a different technique. He looks at the time difference between the signals arriving at the two ends of the bar using self-triggered cosmics. His preliminary result gives a similar number (perhaps a bit higher) to Konstantin's. II. Electronics We have communicated with PJW about the possibility of adding 26 more ADMEMs to our current order for timing measurements. It appears we can do this if we have the funds and if we decide soon. Twenty prototype printed circuit boards for the preamps have arrived. Two have been stuffed. They do not oscillate, but the risetime could be improved. We are working on this. MJ has prepared the laser for use in the magnet. MJ, JK, and a new graduate student (Denys Usynin) will probably come to FNAL next week to make some measurements (this is now moved to 7/1-7/2). MJ has used the laser to look at timing performance of the tubes. To our surprise, an old 16-stage tube with a Hamamatsu base showed a timing spread (difference between the laser pulse trigger and the PMT signal) of 35 psec using a 30 mV threshold on a single level discriminator. In contrast, the 19-stage tubes look worse: initially over 100 psec, then down to 50 psec after some struggle. This is due to the more gentle rise of the 19-stage pulse. Tests in the field next week will be especially important, since the 16-stage tubes have much less gain than the 19-stage tubes. MJ is preparing a note on these tests. We hope to get one of Fumi's 19-stage tubes with a Hamamatsu base for comparison at FNAL.back to summary list
== TOF MEETING - 03/06/1999 ==========================================
ACTION PLAN
===========
0) THE DESIGN OF THE PMT OUTER SUPPORT STRUCTURE (ALU BLOCK) WAS
SIGNED OFF (here)
a) ToF general MoU and WBS
- Joe and Christoph need to go over the TOF time schedule and the
funding situation; prepare the PAC meeting
b) I&I discussion remainders
- STILL Christoph has to contact Sam Segler concerning integration
of temperature monitoring (cables/scintillator) into slow
control system
c) Scintillator
- Christoph will contact Aldo Menzione concerning the production
of the ALU blocks in Pisa
- polishing procedure for the long bars will be prepared and bars
with two different polishing techniques applied will be produced
also one unpolished bar will be available as comparison (buffing
wheel and sand paper)
- a new hand buffing wheel will be purchased
- Chuck/Rich will build up a mock up of the scintillator shelves
(material has arrived)
- Rich will send a ps file of the shelve design to be put on the
WEB
d) Aluminum PMT support
==== DISCUSSION FOR NEXT WEEK ====
- Rich and Chuck will get a drawing made for the inner part of the
PMT support structure
- plan for sign off of the design in the meeting on June 10
==================================================================
e) Test stand
- Konstantin continues tests on the short bars concerning the
polishing effect
- Gerry and Chuck prepare the test stand for measuring the big
bars
- HP Oscilloscope will be tested (Demo: moved again)
f) Optical links
- Matthew will order something like 10 cookies from Bicron
for testing purposes (some will be shipped to Fermilab)
- Konstantin/Ivan investigate optical grease for optical
connection in the test stand
g) PMT
- Fumi sends information about PMT from Hamamatsu (done)
- Joe and Matthew will write up a summary of the discussion on
PMTs during the meeting to be communicated to Fumi
h) Electronics
- preamplifier prototypes should be back in about one weeks
- Penn continue to discuss electronics issues with Pisa/Rome
back to summary list
== TOF MEETING - 27/05/1999 ==========================================
ACTION PLAN
===========
a) ToF general MoU and WBS
- Joe and Christoph need to go over the TOF time schedule and the
funding situation
b) I&I discussion remainders
- STILL Christoph has to contact Sam Segler concerning integration
of temperature monitoring (cables/scintillator) into slow
control system
c) Scintillator
- Chuck and Konstantin will leave Tuesday morning in a truck to
CLEO to pick up the scintillator bars; Walt & Co from Penn will
join them
- polishing procedure for the long bars will be prepared and bars
with two different polishing techniques applied will be produced
also one unpolished bar will be available as comparison (buffing
wheel and sand paper)
- Chuck, Rich, Gerry and Christoph will startup the scintillator
machining (put bevel cuts on 3 Bicron bars to start with)
- Chuck/Rich will build up a mock up of the scintillator shelves
(material has arrived)
- Chuck will send a ps file of the shelve design to be put on the
WEB
d) Aluminum PMT support
==== DISCUSSION FOR NEXT WEEK ====
- Rich and Chuck will get a drawing made for the Alu block for
next weeks meeting
- plan for sign off of the design in the meeting on June 10
==================================================================
e) Test stand
- Konstantin continues tests on the short bars concerning the
polishing effect
- Gerry prepares the test stand for measuring the big bars
- HP Oscilloscope will be tested (Demo: moved to June 1)
f) Optical links
- Joe and Gerry will talk to Karen/KTeV people about experience
with Silicon Cookies
- Matthew/Walt will order something like 10 cookies from Bicron
for testing purposes (some will be shipped to Fermilab)
- Konstantin/Ivan investigate optical grease for optical
connection in the test stand
g) PMT
- Fumi sends information about PMT from Hamamatsu (done)
- Fumi will contact Hamamatsu again for more information about
voltage setting in the field and the PMT diameter
- Fumi will have access to magnet at KEK to perform measurement
with the PMTs
h) Electronics
- preamplifier prototypes should be back in about two weeks
- Penn continue to discuss electronics issues with Pisa/Rome
back to summary list
== TOF MEETING - 20/05/1999 ==========================================
ACTION PLAN
===========
a) ToF general MoU and WBS
- Joe and Christoph need to go over the TOF time schedule
b) I&I discussion remainders
- Christoph will contact Sam Segler concerning integration of
temperature monitoring (cables/scintillator) into slow control
system
c) Scintillator
- polishing procedure for the long bars will be prepared
- Chuck, Rich, Gerry and Christoph will startup the scintillator
machining (put bevel cuts on 3 Bicron bars to start with)
- Chuck will equip Lab 7 with work benches to set up the
scintillator storage, testing and assembly area
- Chuck will build up a mock up of the scintillator shelves
(actually we are waiting for material to arrive)
- measuring of the bars will go on (database needs update)
d) Aluminum PMT support
- Rich and Chuck will get a drawing made for the Alu block
e) Test stand
- Konstantin continues tests on the short bars concerning the
polishing effect
- Gerry prepare the test stand for measuring the big bars
- HP Oscilloscope will be tested (Demo: May 26)
f) PMT
- answers from Hamamatsu about the PMT diameter and the max. high
voltage setting in the field are expected
g) Electronics
- preamplifier design should be send out for a prototype production
- COT cables will be investigated as a possible candidate for
signal cables
back to summary list
== TOF MEETING - 13/05/1999 ==========================================
ACTION PLAN
===========
a) ToF general MoU and WBS
- Joe and Christoph need to go over the TOF time schedule
b) I&I discussion remainders
- Young-Kee contacts CLEO about their calibration procedure
(check here)
- Christoph will contact Sam Segler concerning integration of
temperature monitoring (cables/scintillator) into slow control
system
c) Scintillator
- Gerry will invent a "database" for the counters (done)
- Chuck will equip Lab 7 with work benches to set up the
scintillator storage, testing and assembly area
- Chuck will build up a mock up of the scintillator shelves
(actually we are waiting for material to arrive)
d) Aluminum PMT support
- check through open issues in last action plan concerning design
e) Test stand
- Gerry and Ivan will further confirm tests of the polished and
unpolished bars and the optical connections using cosmic and LED
runs
f) PMT
- Joe will assess the situation concerning the time schedule for
the PMTs (Fumi&Matthew)
g) Electronics
- preamplifier design should be send out for a prototype production
- COT cables will be investigated as a possible candidate for
signal cables
back to summary list
== TOF MEETING - 06/05/1999 ==========================================
Gerry's Test Stand presentation.
ACTION PLAN
===========
a) ToF general MoU and WBS
- Joe and Christoph need to go over the TOF time schedule
b) I&I discussion remainders
- next week Bob, Joe, Matthew, Rich, Chuck, Gerry, Christoph will
discuss with Young-Kee the implications of the calibration
system for the Alu block
- Christoph will contact Sam Segler concerning integration of
temperature monitoring (cables/scintillator) into slow control
system
c) Scintillator
- Christoph contacts CLEO for details of the transport
- Gerry will invent a "database" for the counters
- Chuck will equip Lab 7 with work benches to set up the
scintillator storage, testing and assembly area
- Chuck will build up a mock up of the scintillator shelves
(actually we are waiting for material to arrive)
d) Aluminum PMT support
- after todays discussion there are the following open issues for
the alu block prototype:
* light seal of cover itself and its integrated circuit qboard
* material of the internal cylinder: G10 or metall ....
* guiding grooves are not necessary when choosing new screws
* connectors (signal and HV) have to be refined
* cover should be fixed with keptured screwed
e) Test stand
- Christoph follows up Matthews e-mail concerning the scope
evaluation from Penn
- Gerry and Ivan will further confirm tests of the polished and
unpolished bars and the optical connections using cosmic and LED
runs
f) PMT
- Fumi sends two tubes to Penn for installing a base which will be
shipped further to Fermilab for tests in the 3 unit prototype
- Joe will assess the situation concerning the time schedule for
the PMTs (Fumi&Matthew)
g) Electronics
- 380 prototype bases will be available in few days from now
- COT cables will be investigated as a possible candidate for
signal cables
- Penn will contact HABIA to proceed with manufacturing the next
larger signal cable after they failed with the first candidate
(new candidate has max 4.5mm diameter: after 3 weeks they will
know whether it works)
back to summary list
== TOF MEETING - 29/04/1999 ==========================================
I&I issue list from Matthew
ACTION PLAN
===========
a) ToF general MoU and WBS / Purchase !!!! HIGH PRIORITY !!!!
- Bob needs to talk to people in the HighRise concerning overheads
on Time of Flight accounts
b) I&I discussion
- Joe will contact Young-Kee concerning calibration system
- Christoph will contact Sam Segler concerning integration of
temperature monitoring (cables/scintillator) into slow control
system
c) Scintillator
- Gerry will follow up the study about silicon cookies
- Christoph contacts CLEO for details of the transport
- Chuck will clean up Lab 7
- Chuck will build up a mock up of the scintillator shelves
d) Aluminum PMT support
==== DISCUSSION FOR NEXT WEEK ====
- alu block prototype will be produced for a mock up at Penn
(important only the inner side where the tube/electronics goes)
- Joe & Co will evaluate the question how the connection to the
PMT is done (soldered pig tail, connector on the alu cap ..)
Mock up tests will be prepared to test installation
==== HIGH PRIORITY ============================ HIGH PRIORITY ====
e) Test stand
- Christoph follows up Matthews e-mail concerning the scope
evaluation from Penn
- Gerry and Ivan look at two test bars (one polished one
unpolished) and compare the light yield
f) PMT
- Fumi sends two tubes to Penn for installing a base which will be
shipped further to Fermilab for tests in the 3 unit prototype
g) Electronics
- 380 prototype bases will be available in about 9 days from now
back to summary list
== TOF MEETING - 22/04/1999 ==========================================
I&I action plans from Joe.
ACTION PLAN
===========
a) ToF general MoU and WBS / Purchase !!!! HIGH PRIORITY !!!!
- financial MoUs is expected back from Fermilab directorate
b) I&I discussion
- Joe will produce a summary list of all the topics to be
discussed with I&I (see in the header)
- Christoph will invite I&I people for discussion in next weeks
meeting
c) Scintillator
- Joe & Co will send the 3 remaining CLEO bars from Penn to
Fermilab
- Gerry will investigate the optimal refraction indices for the
silicon cookie and the Winston cone
- Christoph contacts CLEO for details of the transport
d) Aluminum PMT support
==== DISCUSSION FOR NEXT WEEK ====
- alu block prototype will be produced for a mock up at Penn
(important only the inner side where the tube/electronics goes)
- Joe & Co will evaluate the question how the connection to the
PMT is done (soldered pig tail, connector on the alu cap ..)
Mock up tests will be prepared to test installation
==== HIGH PRIORITY ============================ HIGH PRIORITY ====
e) Test stand
- Gerry and the test stand crowd will start to set up a readout
with cosmic rays (coinincidences) using small pieces of
scintillator first
- Gerry and the test stand crowd look at two test bars (one
polished one unpolished) and compare the light yield
f) PMT
- Fumi sends two tubes to Penn for installing a base which will be
shipped further to Fermilab for tests in the 3 unit prototype
g) Electronics
- Matthew sends an e-mail to Bob concerning the Scope evaluation
Penn people did
- 380 prototype bases will be available in about 16 days from now
- preamp prototype available in more then 15 days from now
back to summary list
== TOF MEETING - 15/04/1999 ==========================================
ACTION PLAN
===========
a) ToF general MoU and WBS / Purchase !!!! HIGH PRIORITY !!!!
- financial MoUs will be signed by institution leaders and
presented to the Fermilab director
b) Scintillator
- Joe & Co will send the 3 remaining CLEO bars from Penn to
Fermilab
- Gerry will investigate the optimal refraction indices for the
silicon cookie and the Winston cone
- Christoph contacts CLEO for details of the transport
c) Aluminum PMT support
- Rich will send a FAX to Penn of the alu block design draft
presented in the meeting
- alu block prototype will be produced for a mock up at Penn
(important only the inner side where the tube/electronics goes)
==== DISCUSSION FOR NEXT WEEK ====
- Joe & Co will evaluate the question how the connection to the
PMT is done (soldered pig tail, connector on the alu cap ..)
Mock up tests will be prepared to test installation
==== HIGH PRIORITY ============================ HIGH PRIORITY ====
d) Test stand
- Gerry and the test stand crowd will start to set up a readout
with cosmic rays using small pieces of scintillator first
- Gerry and the test stand crowd look at two test bars (one
polished one unpolished) and compare the light yield
e) PMT
- Matthew sends around the list of tests presented in the meeting
for further discussion and refinement
- Matthew sends a care packet with PMTs to Fermilab (actually it
arrived already)
- Fumi sends two tubes to Penn for installing a base which will be
shipped further to Fermilab for tests in the 3 unit prototype
f) Electronics
- Matthew sends an e-mail to Bob concerning the Scope evaluation
Penn people did
- 20 prototype bases will be available in about 3 weeks from now
back to summary list
== TOF MEETING - 08/04/1999 ==========================================
ACTION PLAN
===========
0) THE CABLE ROUTING (ONE SIDED OR TWO SIDED CABLES) WAS SIGNED OFF
(here)
a) ToF general MoU and WBS / Purchase !!!! HIGH PRIORITY !!!!
- Christoph will send E-Mail to the contact person of all
collaborating institutions concerning the financial MoUs
b) Scintillator
- Chuck & Co continue polishing bars
- Christoph will inspect with Bob Lab 7 where we have some space
assigned for the scintillator bars
- Christoph will send E-Mail to Bob and Rich concerning time
schedule to close the loop with the machine shop for requests of
the machines
c) Aluminum PMT support
==== DISCUSSION FOR NEXT WEEK ====
- Rich will determine the final length of the PMT support
structure taking into account the fact that we have a two sided
readout
- Joe & Co will evaluate the question how the connection to the
PMT is done (soldered pig tail, connector on the alu cap ..)
Mock up tests will be prepared to test installation
- Gerry will determine the ultimate choice for Winston cone
==== HIGH PRIORITY ============================ HIGH PRIORITY ====
d) Test stand
- Gerry and the test stand crowd will start to set up a readout
with cosmic rays using small pieces of scintillator first
- Gerry and the test stand crowd look at two bars (one polished
one unpolished) and compare the light yield
- basic tests with scintillator will be preformed with 16 staged
PMT
e) PMT
==== DISCUSSION FOR NEXT WEEK ====
- Matthew and Fumi will work on a wish list of PMT tests to be
performed by Hamamatsu and on a more detailed list of tests to
be performed by CDF TOF group
- Matthew will present a draft in next weeks meeting
==== HIGH PRIORITY ============================ HIGH PRIORITY ====
- Korea is going to buy 8 more PMTs which will arrive end of May /
beginning of June (together with 20 others from Japan)
f) Electronics
- finalise the base layout
DECISIONS
=========
Supply and signal cables to and from the PMTs will be pulled from
both sides to the TOF system. This facilitates the design of the
Mechanical parts and makes the installation simpler.
To have a handle on the possible problems arrising from the fact that
the signals from one bar are read out from different modules each
crate will have one pair of PMTs which could be connected in a one
sided readout. Therefore cables have to be forseen.
back to summary list
== TOF MEETING - 01/04/1999 ==========================================
ACTION PLAN
===========
a) ToF general MoU and WBS / Purchase !!!! HIGH PRIORITY !!!!
- Christoph will follow up the financial MoUs (Connee, Bob, Cathy)
and the general ones
- Gerry will follow up the purchase of scintillators over Italy
(Giorgio Belletini)
d) Scintillator
- Chuck starts polishing one bar (the other should stay as is)
- Christoph will investigate when Bob is back where to store the
bars and where to assemble them
- Chuck will investigate the possibility to make nice photos of
our two bars (2 pol filters?)
e) Aluminum PMT support
==== DISCUSSION FOR NEXT WEEK ====
!!!! HIGH PRIORITY !!!! !!!! HIGH PRIORITY !!!!
- Rich will determine the final length of the PMT support
structure when leaving about 0.5 inch space between COT endplate
and PMT support structure
- Mitch and Co will evaluate the question how the connection to the
PMT is done (soldered pig tail, connector on the alu cap ..)
- Gerry will determine the ultimate choice for Winston cone
!!!! HIGH PRIORITY !!!! !!!! HIGH PRIORITY !!!!
b) Test stand
- Gerry and the test stand crowd look at two bars (one polished
one unpolished) and compare the light yield
- Gerry will make sure that the water flow is kept up to clean the
system slowely and he will also run tests to see how long the
magnet can be operated
- Matthew brings some ideas for test stand measurements when he
comes with the other Penn people next week
c) PMT
- Matthew and Fumi will work on a wish list of PMT tests to be
performed by Hamamatsu and on a more detailed list of tests to
be performed by CDF TOF group
f) Electronics
- finalise the base layout
back to summary list
== TOF MEETING - 25/03/1999 ==========================================
ACTION PLAN
===========
a) ToF general MoU and WBS / Purchase !!!! HIGH PRIORITY !!!!
- Christoph will follow up the financial MoUs (Connee, Bob, Cathy)
and the general ones
- Christoph will follow up the purchase of scintillators over
Italy (Giorgio Belletini)
b) Test stand
- there will be a meeting on Monday at 6pm to discuss the further
steps with the test stand
c) PMT
- Tsukuba group (Shinhong and Fumi) will provide 3 test PMTs for
the scintillator 3 pack prototype at Fermilab
- further 20 PMTs will be provided until end of May / Beginning
of June
- further 40 PMTs will be provided by the Korean group until mid
August to assure installation of PMTs behind obstructions
- Christoph will scan documents from Shinhong to make them
available on the WEB
d) Scintillator
- two further full size bar will be produced in the next days and
Chuck will provide a more realistic estimate for the time needed
to produce 120 bars
e) Aluminum PMT support
- Rich will determine the final length of the PMT support
structure when leaving about 0.5 inch space between COT endplate
and PMT support structure
- Mitch and Co will evaluate the question how the connection to the
PMT is done (soldered pig tail, connector on the alu cap ..)
f) Electronics
- Penn people will investigate the Habia cables as HV cables
(arrive in 2 weeks, evaluation after one more week)
- question of the connectors for those cables also has to be
addressed
- Christoph will send E-Mail to Penn people about the people from
ITEP interested in producing active bases with Cockraft-Wolton
dividers
back to summary list
== TOF MEETING - 18/03/1999 ==========================================
ACTION PLAN
===========
a) ToF general MoU and WBS / Purchase !!!! HIGH PRIORITY !!!!
- finish up the MoUs
- follow up purchases of scintillator over Italy and LBNL
b) Test stand
- Bob will run the magnet to test whether it is operational;
actually Bob and Rich did this already and the magnet worked ;-)
- Christoph will talk to DeeDee to inquire the training necessary
to work with strontium source
c) PMT
- Fumi and Matthew will draft tests and specifications for
Hamamatsu
d) Scintillator
- Chuck follows up production of fixtures and the production of
the prototype scintillator bar afterwards (starts by 24/03/1999)
- people at Penn will study the design of the Wynston cone based
on the detailed simulation program
- Gerry/Konstantin will start to use another ray tracing program
for the design of the Wynston cone
e) Electronics
- Matthew will chook up a scheme of how and where the low voltage
supplies will be located
- COT high voltage cable will be investigated as TOF high voltage
cables; in particular possible incompatibilities with the CDF
cable review committee
back to summary list
== TOF MEETING - 11/03/1999 ==========================================
ACTION PLAN
===========
a) ToF general MoU and WBS !!!! HIGH PRIORITY !!!!
- italian contribution has to be included; Christoph will discuss
with Franco Bedeschi
- Christoph will update contributions from LBNL
- Fumi will update the PMT schedule
b) Test stand
- still .. Gerry and Bob will push for operational magnet
- Christoph will organise a Strontium source (from Ting?)
c) PMT
- Fumi and Matthew will draft tests and specifications for
Hamamatsu
d) Scintillator
- Chuck follows up production of fixtures and the production of
the prototype scintillator bar afterwards (starts by 24/03/1999)
- Gerry and Christoph will investigate the possibility to order
scintillator over MIT and the order will be sent out as soon as
possible
f) Gerry and Rich will start a search for Wynston cone source
g) Rich, Bob, Gerry and Christoph will meet to further discuss the
PMT support structure.
back to summary list
== TOF MEETING - 04/03/1999 ==========================================
ACTION PLAN
===========
a) ToF general MoU !!!! HIGH PRIORITY !!!!
- general MoU signed by the lab and the project managers
- EVERYBODY: please, have a look at the MoUs in particular
o clarification of responsabilities
o every institution has to agree that everything is fine; now is
the moment to speak up
- Christoph/Joe/Fumi have to work on the WBS (Christoph sends PS
file to Fumi)
b) magnet operation
- Gerry and Bob will push for operational magnet
c) real 3 bar prototype
- Chuck, Rich and Gerry will investigate the necessary actions to
be taken to prepare a prototype
- fixtures for the scintillator seem to be the critial path, Chuck
promised to push for this one
d) mock up for shelves
- Chuck will start to develop a small sized prototype to test the
Z structure proposed as shelves for 3 bar units
back to summary list
== TOF MEETING - 25/02/1999 ==========================================
ACTION PLAN
===========
a) scintillators have to be ordered from Bicron, therefore:
- Gerry ill contact Bicron to clarify prices and conditions
including all the options discussed during the meeting
- Matthew will measure the new PMT diameters to verify correct
size
- Walt and Rich will measure the length of all CLEO spare bars to
assure we get the right ones ordered from Bicron
b) preamplifier design
- Penn people will work on a specification sheet .. based on
Matthews Monte Carlo? Sheet will be iterated through to come to
final specs
c) monopole trigger
- Jonathan will further investigate the possibilities to have a
trigger without modifying the ADMEM connectors
d) test stand
- Matthew will develop a simple example to read out the ADC/TDC
- Konstantin will pick up the example and make it work at Fermilab
- Gerry/Bob will push for preparation of magnet operation
Modified: Thu Oct 26 10:17:22 CDT 2000
Christoph Paus