Setup 5.10.22
dE 20 um (ID 2837-33) and 494 um double sided (ID 1194-9)
46 channels (2 connectors missing)
LiF4 in beam
dE: Big flat cables from preamp 22 and 23 into 1A and 1B
E: from preamp 24+25 go into 2A, 2B and 3A 3B
LEMO converter box: Cable 1: dE
Cable 3: E n+n
unlabeled cable: E p+n
E detector voltage: -133 V, leakage current -0.53 micro-Amp
dE detector voltage -22 V, leakage current -0.03 micro-Amp
For the E detector one of the edge p+n strip bond-wires is suspected broken. |