E895 Weekly Meeting, June 10.

	Attendance: Mark Gilkes (MG), Dieter Best (DB), Heng Liu (HL),
		    Daniel Cebra (DC), William Caskey (WC), Nathan Stone (NS), 
		    Jessica Kintner (JK), Sergei Panitkin (SP), 
		    Hans-Georg Ritter (HGR)


	Phone in:

	Mike Lisa (ML)		OSU
	Paul Chung (PC)		SUNY
	Chris Pinkenberg (CP)



NS 	sseos operating system upgrade to happen soon

NS	PDSF users may soon have access to NERSC (80 ultra-sparc
	stations on Berkeley campus Jeff Porter PDSF support)

DC 	Update Davis attendance to E895 collaboration meeting.
	Jim Draper, Juan Romero, Bill Caskey, Jerry Chance will be attending.

DB 	Working on tracker (BTF) problems.

NS 	t262 dE/dx, with no corrections, subjectively gets better dE/dx from
	BTF.  Mike Lisa's plot (2d hitfinder) looks good with old tracker 
        see his web page.

NS	2d better than 1d, and BTF better than JTF.

ML	What about Track density?  For bad track identification 
	proposing (number of hits) / (number of hits that track should have
        i.e. taking steepness etc. into account.
	Will put this into the dEdx module

ML/CP	Simulators? 

DB	Volunteering to update the fast simulator code in CVS.

NS	Numbers on sizes of files

	roughly 40 bytes + '.tbl size' for each entry.  Table is adding up
	i*4 etc for each of the table entries you keep in the output.

	TABLE			Bytes/entry
	trks_small		176		down from    	224
	hits_small		76				112

	achieved a 30% reduction in table sizes but 13x increase in file
	size if hits are kept.  (Accounting for multiplicites)

	More in e-mail sent out from NS.

Action Item:  Prove its worth with mass peak of V0's.

        Several requests made to decouple the two hit finders.

ML	Agrees to do this.

ML	Sending out dEdx results 6-8 Gev from hitfinder_2d.

HL	Padrow array ready.  Manually looked through all the pad rows and made 
	visual judgment on pad quality.

ML	BTF has low y reconstruction problem

DB	I am working on it.

BC 	Bad Pad filling of the ADC Values with the average of its neighbors.
	This may be a source of significant error to dedx as well as tracking.

ML	Will put flag in so this can be studied.

NS	Will be working on memory corruption problem concerning badpad table.
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Minuteman: Bill Caskey