E895 Meeting Minutes                 28 January, 1997

Attending:  Gulshan Rai, Nathan Stone, Dieter Best, Heng Liu, Jim Draper,
	    Bill Caskey, Dan Cebra

------------------------------------------------------------------------

News & Status Report:

GR  -   Hans Georg is on travel this week. Before he left, he asked me to
	take care of EOS business first, so any specific EOS news ?

DC  -   Jerry Chance gave me a first draft of his thesis last week.

DB  -   FDDI connection on PDSF sun machines are ready.
    -   One DLT drive has been mounted on PDSF. So far we have problem to
	access the DLT stacker.

GR  -   Equipment committee may approve us a DLT stacker. So before we
	buy it, it is good to know if we can operate them first. I'll call
	TTI to look into it.

DB  -   There will be a PDSF user meeting on Feb. 19 to coordinate for the
	computer needs. Each group has 20-30 minutes presentation time. We
	should prepare for it.

GR  -   Regarding the training room machines, our suggestion to aquire them
	was rejected.

DB  -   We can have 35 HPs which are dedicated to us and mounted to PDSF.
    -   Tracker program (from FOPI) interfaced with TAS, plus primary vertex
	finder has been finished. The old vertex finder has a cut on the
	tracks based on their distance away from the target, this may not be
	necessarily right since the target position is unknown.
    -   We should have some independent evaluation of my tracker. I think Heng
	will be the best person.

GR  -   We can use slow simulator to introduce the fake split track and see
	how well the tracker does.
    -   Spiros has some idea about the secondary track finding, you may want
	to talk to him.
    -   Bob Hackenburg faxed me the survey result. He said it was done with
	field on and off, but I only found one set of parameters.

DC  -   Juan Romero wants the survey info about Heubline and TPC coordinate
	system and how the TPC fiducial marks are related to TPC coordinate
	system.

NS  -   CVS repository is installed. Everyone can access the repository from
	their home directory. I'm working on the script that can automate
	the procedure and let people do the minimum.

HL  -   The sequence in filtering the events is: you have to decode bdf file
	first, then extract trigger pattern, then encode and put back to
	output stream. I'm still modifying the TAS code right now.

GR  -   You can look to see if TAS outputs some other binary formats which
	pad_monitor can read in.

GR  -   The issue of AFS came up in the last meeting. How does Davis feel
	about it ?

DC  -   I have no idea. I have to talk this over with Lynn since he has
	experience with AFS. AFS is particularly useful if multiple people
	want to modify the code.
    -   TAS3 is being setup at Davis right now.

JD  -   showed the laser time buckets vs. the height of corresponding
	fiducial marks, and he did a linear fit to extract the slope parameter
	which is consistent with the canary reading. From the fit, one can
	extract the roof position at about 820.8mm.
    -   I have to check TAS3 and pad_monitor to see if they agrees.

BC  -   We had some problem compiling TAS3 on HP at Davis. Some C structure-
	like lines just won't compile.

GR  -   Beam enery problem is being investigated by Ajit.


                                        Prepared by Heng Liu