Date March 23, 2000
Attendees S. Danilov, M. DeLeons, J. Galambos, J. Holmes, 
D. Jeon,  J.G. Wang, J. Wei
 
There was a discussion of travel plans to meetings. Tentatively, Dong O 
will plan to visit ISIS to observe the startup, after the upcoming
shutdown, Slava is planning on vistiting Russia for an accelerator 
physics course, J.G. Wang will plan on attending the APS meeting in April, 
J. Holmes, J. Galambos and J. Wei will attend the EPAC meeting. There is also a 
superconducting cavity workshop at JLab April 12-13 to finalize the cavity
design.

There was a review of the Reference working tables. Suggestins were to add
misalignment tables for the ring, add lattice files for all accelerator 
components, add Superfish input/output files for the cavities, 
and add a general parameters list. 

J. Stovall will provide the optimized cavity betas in the next 2 weeks.

D Jeon noted that he recieved an email on linac codes which pointed out a
potential weakness in the presently used US codes, namely the use of a discrete 
energy kick for superconducting cavities. 

There was a discussion on the PSR instability, and how best to spend SNS R&D money. 
S. Danilov suggested the most critical component is to shield the ceramic 
components of the current transformers, and th Ti coat the Al injection box, 
and bellows. Also a Rosenberg like electron catcher is proposed instead of
the serated electron catcher plate. Danilov discussed his ideas on the
instability, with single pass and multi-pass e-amplification mechanisms. 

J.G Wang discussed  the Target interface, with primary focus on optimizing the 
spread at the end of the RTBT, looking at the diagnostics, studying window
effects, and understanding the target constraints.

It was noted that the ORNL group should purchase some SUNs to be able to have a 
compatable computing platform as BNL.

Danilov noted that the measured impedance of the extraction kickers is very
large and would cause an instability. This impedance is much higher
than his calculation estimate, and the discrepancy is being studied.