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Clean room crew : Luca B, Carmelo and EduardoActivities started at
10
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:00 (PDT)
Checked ground for CU ~0.6 Ohms
Downloaded data from recorder: max humidity 7%, max temp 33 C, Max force 4 g. Eliazar downloaded data and . Need someone to review all information will be recorded and a graph producedmake a summary. Dates are logged in a awkward format: first day was April 24, last day was May 1 2007.
CU was visually inspected by Pisa and SLAC crew, prior to moving into the clean room. No visual damage observed.
11:30
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Crew is leaving and we will wait for Jan Jana to turn it on so that she can witness from the very beginning
14:30
Clean room crew : Luca B, Carmelo,Eduardo, Jana
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System is powered up using same boards as in the beam test but using Crate from TKR (GLAT0303) dwarf2: Run BT2 used to take events , rate horizontally is 35 Hz with cosmics. Readout is Ok fromboth from both towers 2 and 3, but tower 3 is not triggering. tower 1 with CALonly triggers OK. Will check trigger masks.
Trigger mask is FD80xFD8. Go to GEM manual page 98, section 2.9.1` Tower enable registers 0xFD8 = 111111011000 , tower 0 no triggers, tower 1 1 only CAL, Towers 2 and 3 CAL and TKR enabled.
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Debugging will continue later or tomorrow since we have workshop discussions. Power off
May 2 2007
Clean room crew : Luca B, Carmelo.
11:00 (PDT)
Starting with the CU functional tests.
Noise and Gain test on TKR 3, bias loss and trg. parity errors/ packet errors. Same phenomenology already observed in Pisa/CERN/GSI.
12:00 (PDT)
Functional tests on the single modules started. See the hand-off notes for details.