November 30, 2011 online meeting minutes

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Revision as of 10:27, 30 November 2011 by 129.57.81.111 (talk)
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present: Sergey Boyarinov, Sergey Pozdnyakov

1. g14b: run started week ago, following problems were fixed:

  • level2 cables connected under the CLAS
  • several above-FASTBUS fans replaced, will continue
  • several CPUs replaced because of PMC failures
  • rate was 4 kHz at 85% livetime at 20nA beam current BEFORE level2 fixes, expecting improvements
  • cmon works in electroproduction mode, see target; will calibrate and switch to photoproduction
  • DC noise problem was investigated, Mac found and removed aluminum foil inside region 1, hopefully it will help
  • remaining problems: SLM signel was broken - fixed, Moller should work;


2. Test setups:

  • Hall D setup works, including silo part; must be ready to add tage and tage2 later
  • HPS: ic is installed, connected to old ADCs, IP pedestal procedure works, FX looking at them; JLAB discriminators were installed (16 CLAS, 12 from Hall D), all software is ready to program them; FADCs are installed but not connected; trigger part must be restored (will try to do it in couple of days) and read IC out with CLAS but havinf separate trigger bit from IC;

temperature control need to be restored

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