HCAL Cosmics

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This page acts as an archive of 'good' HCal cosmic runs.

January 2021

Entire HCal Cosmic Runs
Run
Number
Date Time Approx.
Evts
fADC
(Latency,Window) and F1
(Latency,Window)
Cosmic Paddle Voltages
LLS, LRS, RLS, RRS
PMT
Voltages
PS0 Notes
1263 1/12/2021 ~2 hr 53 min ~1500k (140,30) and (800,800) -1850 V, -1200 V, -1100 V, -1000 V Voltages mostly the same as 1239 with a few changes (See Link [1]) 0
1239 1/7/2021 ~2 hr 39 min ~1500k (140,30) and (800,800) -1850 V, -1200 V, -1100 V, -1000 V Voltages calibrated from run 1237 (See Link [2]) 0

December 2020

Entire HCal Cosmic Runs
Run
Number
Date Time Approx.
Evts
fADC
(Latency,Window) and F1
(Latency,Window)
Cosmic Paddle Voltages
LLS, LRS, RLS, RRS
CMU PMT
Voltage
JLab PMT
Voltage
PS0 Notes
1237 12/23/2020 ~2 hr 42 min ~1500k (140,30) and (800,800) -1850 V, -1200 V, -1100 V, -1000 V Voltages calibrated from run 1235 (See Link [3]) Voltages calibrated from run 1235 (See Link [4]) 0
1235 12/21/2020 ~2 hr 46 min ~1500k (140,30) and (800,800) -1850 V, -1200 V, -1100 V, -1000 V left half = Calibrated from run 989 (See Link [5]), right half = -1500 V left half = Calibrated from run 989 (See Link [6]), right half = -1600 V 0 The F1 seems to miss fADC pulses sometimes. Seems more on right half.

November 2020

Left Half HCal LED Runs
Run
Number
Date Time Approx.
Evts
fADC
(Latency,Window)
CMU PMT
Voltage
JLab PMT
Voltage
PS1 LED Cycle Notes
1206 11/19/2020 ~1.5 min ~30k (170,30) -1375 V -1375 V 2 0->1->2->3->4->5 repeat A few F1 FIFO overflow output.
One JLab PMT saturating at LED5.
1205 11/19/2020 ~1.5 min ~30k (170,30) -1425 V -1425 V 2 0->1->2->3->4->5 repeat Some F1 FIFO overflow output.
A few CMU PMTs saturating at LED5.
1204 11/19/2020 ~1.5 min ~30k (170,30) -1450 V -1450 V 2 0->1->2->3->4->5 repeat Fair number of CMU PMTs saturating at LED5.
1203 11/19/2020 ~1.5 min ~30k (170,30) -1400 V -1400 V 2 0->1->2->3->4->5 repeat Some F1 FIFO overflow output.
7-2 turned on now.
1202 11/19/2020 ~1.5 min ~30k (170,30) -1350 V -1350 V 2 0->1->2->3->4->5 repeat
1201 11/19/2020 ~1.5 min ~30k (170,30) -1300 V -1300 V 2 0->1->2->3->4->5 repeat 7-2 still hasn't turned on.
1200 11/19/2020 ~1.5 min ~30k (170,30) -1250 V -1250 V 2 0->1->2->3->4->5 repeat
1198 11/19/2020 ~1.5 min ~30k (170,30) -1200 V -1200 V 2 0->1->2->3->4->5 repeat
1197 11/19/2020 short short (170,30) -1200 V -1200 V 2 0->1->2->3->4->5 repeat
1196 11/19/2020 19:46:09-19:47:40 ~30k (166,20) -1200 V -1200 V 2 0->1->2->3->4->5 repeat
1187 11/19/2020 16:28:29-16:31:30 ~40k (170,20) -1500 V -1700 V 3 0->1->repeat
1186 11/19/2020 16:13:40-16:16:56 ~40k (170,20) -1500 V -1600 V 3 0->1->repeat
Right Half HCal Cosmic Runs
Run
Number
Date Approx.
Evts
CMU PMT
Voltage
JLab PMT
Voltage
RLS Voltage
(Paddle)
RRS Voltage
(Paddle)
Notes
1162 11/11/2020 500k -1500 V -1600 V -1035 V -875 V TDC signal seems desynced with fADC signal after event 61866.
1163 11/12/2020 500k -1550 V -1650 V -1035 V -875 V
1165 11/12/2020 500k -1700 V -1800 V -1035 V -875 V
1166 11/12/2020 500k -1650 V -1750 V -1035 V -875 V A couple F1 FIFO overflow messages (very few).
1167 11/13/2020 500k -1600 V -1700 V -1035 V -875 V
1168 11/13/2020 500k -1500 V -1600 V -1035 V -875 V
1169 11/14/2020 30k -1675 V -1850 V -1035 V -875 V

October 2020

Left Half HCal Cosmic Runs
Run
Number
Date Approx.
Evts
CMU PMT
Voltage
JLab PMT
Voltage
LLS Voltage
(Paddle)
LRS Voltage
(Paddle)
Notes
978 10/14/2020 500k -1600 V -1700 V -1850 V -1200 V
980 10/15/2020 500k -1700 V -1800 V -1850 V -1200 V
981 10/15/2020 500k -1800 V -1900 V -1850 V -1200 V Lots of fADC saturation.
983 10/15/2020 53k -1900 V -2000 V -1850 V -1200 V Lots of fADC saturation.
984 10/15/2020 short -1750 V -1850 V -1850 V -1200 V Some fADC saturation.
987 10/15/2020 500k -1650 V -1750 V -1850 V -1200 V
988 10/16/2020 500k -1550 V -1650 V -1850 V -1200 V
989 10/16/2020 500k -1500 V -1600 V -1850 V -1200 V