Date: Fri, 29 Jul 2005 00:25:11 -0400 (EDT) From: Dustin Mcnulty To: "Mark M. Ito" Subject: Future PrimEx Improvements (FPIs) Here a few randomnly ordered "Future PrimEx Improvments": -Need better LMS trigger Logic cicuit. -Need B-field shielding around LMS box. -Alarms for low htrigt occupancy in any of 16 TDC channels. -Combined Dynode/Anode equalization procedure, with emphasis on Dynode. -Better organization of pre-scale factors (store them somewhere). -Need reliable/robust timing info for T.S. live 1,2. (Verify that problems with hardware and problems related to start of new runfile are fixed.) -ROC 4 problems: noisy, flakey, also has DAQ readout anomalies. -Online PairSpec monitoring software (we need for data quality checks). -Better monitoring of pedestal drifts for re-sparsification. -Better performance of primex_online DB: much info consistently missing. -Implementation of Cosmic trigger circuit, and incorporate with prescale in production phase? -Consideration of statistics needed for TAC runs if want to bin by Ecounter/channel instead of Tcounter/channel. -Perhaps we could benefit from homemade tagger reconstruction performance monitors/alarms to aid in beam quality assessment. -Improved use of Booster: Maybe readout in EPICS; put in safer location. -Absolute survey of nABPMs 2c21 and 2c24 (and no use of dipoles between them). -Quicker establishment of "golden" beam tune parms. (Just to name a few), Dustin Dustin McNulty TJNAF B16, Rm95 12000 Jefferson Avenue Newport News, VA 23606 Phone: (757) 269-5023