Minutes of the E895 meeting
                  Graduate Chemistry Rm 403, SUNY Stony Brook
                               Monday 10/16/95

Attending:  MG - Mark Gilkes
	    MJ - Marvin Justice
	    AH - Andrew Hirsch
	    RL - Roy Lacey
	    HL - Heng Liu
	    RS - Rulin Sun
	    PC - Paul Chung
	    EL - Erwan LeBras
	    EC - Eric Colin
            JA - John Alexander
	    JL - Jerome Lauret


TPC:
====


MG - We have laid the fiber optics cables, as far as they go, which is 20 ft
     shy of the boom arm on the high stretch of cable tray.  The fiber optics
     extensions have been ordered from Fibertron, and are expected to arrive
     at the end of this month.

MG - We need 10-conductor ribbon stock for the replacement BitBus cables.
     Also RG59 and RG58 for anode high voltage and signal cables respectively.
     We have most of the original cable from the EOS experiment, but the
     lengths are too short for our current run.

MG - I have talked with Larry about the extra cable stock, and with Leigh
     Hawkins about the gas handling system.  Leigh needs 1-inch fittings which
     are not available at Brookhaven.  He has given me UC-LBL part numbers
     for these.  He is considering Teflon tubing in the sections where we need
     flexibility, rather than Tygon.

MG - Leigh has about 30 bottles of P-10 right now that we could start with,
     if need be.  I don't know yet when the P-10 order arrives.  We also have
     to finalize the nitrogen situation.
     
MUSIC:
======

MG - The MUSIC cables have been laid.  We have found that the flash ADC ribbon
     cables are about 10-12 ft too short.  The anode high voltage cables are
     also short.

MG - Larry will have a pump for MUSIC in place this week.  The endcap stands
     have been completed, so we can close the detector up.


MISC:
=====

MG - I understand that the repair for the MPS magnet cooling manifold has been
     postponed until December.  Joe Scaduto will have surveyors in the magnet
     this week to determine the placement for the TPC supports.


SOFTWARE:
=========

MJ - I am working on getting the run control program going.  It almost works,
     but there are a couple of Fortran routines that are a problem for the new
     version of the Fortran compiler.  I intend to rewrite these routines in C.

MJ - I am porting all the TAS2 code for E895 to nsdssi.  The CVS repository
     and the library versions of E895 code will now reside there, rather than
     on the LBL machine sseos.

MJ - I have fixed a tracker bug that artificially limited the rigidity of
     tracks in the E895 code to 5 GeV/c.


   Marvin Justice showed some results from his acceptance simulations at
   2.75 GeV/c and 5.0 GeV/c.  Plots of dN/dy vs normalized rapidity show
   that the proton reconstruction efficiency is unaffected by the lower B
   field setting (0.5 T) while the pi+ and pi- efficiencies improve overall,
   and significantly at just backward of mid-rapidity.  The lack of field
   distortions in the TPC at the lower field setting is an argument for the
   lower field, but the momentum resolution is worse by a factor of 2.


Prepared by: Mark Gilkes