Main INDEX, Monthly INDEX, ,
Make New Entry, Make Followup Entry (Advanced)

User name cdaq

Log entry time 13:54:53 on August 30, 2011

Entry number 234093

keyword=Compton Run 22066 (standard): LED pulser test, no sync bit

Experiment compton

Run #22066 - /net/cdaq/compton1/compton/rawdata/standard_22066.dat.0

HV used HV.2010-08-05-23:39:50.hvcHV.2010-08-05-23:39:50.hvc
PS1 1 1
PS2 16777215 16777215
PS3 16777215 16777215
PS4 16777215 16777215
thr1 37003700
thr2 16001600
noffset -120-120
p2t 0xFFFFD7F70xFFFFD7F7
p3m 0xF7FFFFFF0xF7FFFFFF
p3t 0xFFF7FFFF0xFFF7FFFF
p4t 0xFFFF77FF0xFFFF77FF
pwtl 11
pwdl 11
pldelay 77
minwidth 11
accumtrig 22
eventtrig 33
Beam Current BCM1 (uA) -0.0835248 -0.0835248
Beam Current BCM2 (uA) -0.0460569 -0.0460569
Half Wave Plate OUT OUT

Dark box PMT connected, HV = 1300V
Single LED pulses at 180 ns after start of 1kHz helicity window (one LED on at 80 ns pulse length)
Delta LED ON ~0.75 V in signal size
Variable LED ON ~0.75 V in signal size