GSIM Focus Group Project List 1998

(Asterisk means project is completed; order is alphabetical; people with no current or completed projects in 1998 are not listed. )

Available projects

1. Implement Cerenkov counter efficiency function in GSIMKO.
2. Design and implement a scheme to add background to simulation.
3. Design and implement a scheme to add out-of-time tracks to simulation.
4. Address the `double-counting' issue in CELEG resulting from using both deep inelastic scattering and resonance scattering.
5. Add missing reactions to CELEG (K-Lambda).
6. Update branching ratios in CELEG.
7. Obtain background events for GSIM (obtained from data or simulation).
8. Design and implement trigger simulator.
9. Make a list of which detector components are included in the simulation.
10. Find and fix source of file-wise inefficiencies seen by Richard Thompson.
11. Find and fix potential problem near target region seen in pi plus studies.
12.  

Burin Asavapibhop

1. Add tagger-related banks to GSIM (with Franz Klein).
2. *Get time-based tracking to work in GSIM.
3. *Do prototype study of time-based tracking for GSIM elastically scattered events.
4. *Coordinate the time offsets between GSIM and the reconstruction programs (with Joe Manak and Laurent Farhi).

Will Brooks

1. Look at chi-squared distribution of charged particles from GSIM, compare to data.
2. Organize GFG meetings; keep and distribute meeting minutes.
3. Investigate strategies for handling decaying pi+ particles in acceptance calculations.
4. *Run time accounting utilities on GSIM (with David Rowntree and Kyungseon Joo).
5. *Study of run time and data size for events with electrons going into coils (with Will Brooks).
6. *Generate and document a benchmark set of GSIM input files.
7. *Systematic study of effects of GSIM cuts and other parameters on speed (with David Rowntree and Jianguo Zhao).
8. *Estimate the required size of the distributed compute farm based on number of events needed and GSIM speeds.
9. *Determine the correct method for error estimation for acceptance calculations (with John Price).
10. *Obtain a pseudo-teleconferencing system for group meetings.
11. Carry out CELEG/GSIM runs for E1 running conditions.

Bryan Carnahan

1. *Discovered and fixed problem with K-zero decay in CELEG (with Dan Sober).
2. *Discovered a problem with charged pion decays in material-free regions (with Dan Sober).

Phil Cole

1. Event generators ?

Hall Crannell

1. *Create geometry for photon beam cryotarget in GSIM.
2. Create geometry for electron beam cryotarget in GSIM.
3. Install target geometries into GSIM (with Maurik Holtrop).

Volker Burkert

1. *Perform initial estimates of how many GSIM events are needed for analysis.

Larry Dennis

1. Create and implement a scheme for fast monte carlo simulations (FSIM, with Si McAleer).

Laurent Farhi

1. *Coordinate the time offsets between GSIM and the reconstruction programs (with Joe Manak and Burin Asavapibhop).

Rob Feuerbach

1. Provide a scheme in GSIM allowing independently oriented DC volumes.

John Hardie

1. Organize and carry out the transition from GEANT 3.21 to GEANT 4 (C++) (with others).

Maurik Holtrop

1. *Modify random number generation in GSIM to include automatic seeding.
2. *Implement the electron shower parameterization into GSIM (with Dave Tedeschi).
3. *Optimize the TOF volumes in GSIM for faster running.
4. *Improve the clas_step routine in GSIM.
5. Set up UNH farm for GSIM running.
6. Design and document a `fast' mode of GSIM running.

Kyungseon Joo

1. *Perform first DOCA smearing and dead wire map application, analyze results.
2. *Evaluate the effects of multiple scattering and the intrinsic DC resolution on time-based tracking.
3. *Design and implement a scheme for handling the time-to-distance relation in Recsis and GSIM, including resolution effects (with Dennis Weygand).
4. *Add automatic smearing of event vertex (with Dave Kozicki).
5. *Run time accounting utilities on GSIM (with David Rowntree and Will Brooks).
6. Fix DOCA bank platform dependence.

Andi Klein

1. *Set up ODU's batch farm for GSIM processing.

Franz Klein

1. *Study the effect of the magnetic field grid size on simulated data.
2. Add tagger-related banks to GSIM (with Burin Asavapibhop).
3. Implement polarized target field in GSIM (with Junho Yun).
4. Create and implement new BOS parameter banks for GSIM (and CELEG?).
5. Implement decaying particles into MCTK/MCVX banks.

Dave Kozicki

1. *Add automatic smearing of event vertex (with Kyungseon Joo).

Costy Loukachine

1. *Do first prototype cooking of GSIM data with production code on farm

Joe Manak

1. *Coordinate the time offsets between GSIM and the reconstruction programs (with Burin Asavapibhop and Laurent Farhi).
2. *Modify GSIMKO to permit using dead wire map without doing time smearing.

Si McAleer

1. Create and implement a scheme for fast monte carlo simulations (FSIM, with Larry Dennis).
2. Trigger simulator.

Gabriel Niculescu

1. Design a scheme for combining events from different event generators (with Dan Sober).
2. Derive single particle acceptances from GSIM events for electron scattering for general use.
3. *Test the simulated data from different farms/platforms to determine if they're systematically different.
4. Study particle losses (especially protons and kaons) in CLAS.

John Price

1. Fix the elastic scattering cross section in CELEG.
2. *Improve the format of the input parameter file to CELEG.
3. *Determine the correct method for error estimation for acceptance calculations (with Will Brooks).

Greg Riccardi

1. *Make prototype script for GSIM running/control based on database IO.
2. Develop full-blown script for GSIM running/control based on database IO.
3. Make a web page generator to track GSIM runs.

David Rowntree

1. Measure reconstruction efficiency for charged particle tracking in GSIM.
2. *Run large-scale simulations needed for Bonn and Sante Fe conferences.
3. *Managed first long GSIM runs on MIT farm.
4. *Run time accounting utilities on GSIM (with Will Brooks and Kyungseon Joo).
5. *Systematic study of effects on run time and accuracy of turning off secondaries in each volume (with David Rowntree).
6. *Study of run time and data size for events with electrons going into coils (with Will Brooks).
7. *Systematic study of effects of GSIM cuts and other parameters on speed (with David Rowntree and Jianguo Zhao).
8. *Design and implement a scheme which does not process events which have zero acceptance for electrons.

Cole Smith

1. *Run large-scale simulations needed for Bonn and Sante Fe conferences.
2. *Fixed problem of kaons not decaying in material-free regions.
3. *Modify AO to produce BOS format output.

Dan Sober

1. *Discovered and fixed problem with kaon decay in CELEG (with Bryan Carnahan).
2. *Discovered a problem with charged pion decays in material-free regions (with Dan Sober).
3. Design a scheme for combining events from different event generators (with Gabriel Niculescu).
4. Investigate designs for implementing radiative effects in CELEG (with Gabriel Niculescu and Ralph Minehart).

Stepan Stepanyan

1. *Make a prototype electron shower library scheme.

Dave Tedeschi

1. *Implement the electron shower parameterization into GSIM (with Maurik Holtrop).

Mike Vineyard

1. *Systematically test the electron shower parameterization.

Alex Vlassov

1. Derive Cerenkov counter efficiency function for use in simulation.

Dennis Weygand

1. *Design and implement a scheme for handling the time-to-distance relation in Recsis and GSIM, including resolution effects (with Kyungseon Joo).
2. Implement resolution as a function of position into GSIMKO.

Junho Yun

1. *Run large-scale simulations needed for Bonn and Sante Fe conferences.
2. Implement polarized target field in GSIM (with Franz Klein).
3. *Managed first long GSIM runs on ODU farm.

Jianguo Zhao

1. *Systematic study of effects on run time and accuracy of turning off secondaries in each volume (with David Rowntree).
2. *Systematic study of effects of GSIM cuts and other parameters on speed (with David Rowntree and Jianguo Zhao).

Last modified 12/4/98