CDC bad channels
From GlueXWiki
straw K39 disconnected 6 Aug 2015 straw W38 disconnected 17 Nov 2015
Fall 2016:
Dead channels are 709 2384 3341 Low gain or faulty readout channels are 244 2934 3094 3365 3511 Slightly low gain channels are 2977 3178
Spring 2017:
Dead channels are (317- revived? looks ok in approved runs) 709 2384 3341 Very low gain channels are 244 2934 3094 3365 3511 Slightly low gain channels are 2977 3178
Winter 2017/Spring 2018:
Dead channels are 709 2384 Very low gain channels are 244
Fall 2018 & Spring 2019:
Dead channels are 709 2384 3086 Very low gain channels are 244 (given a high threshold)
Fall 2019:
Dead channels are 709 (K39 roc 27 slot 8 ch 13, disconnected) 2354 (W8 roc 25 slot 7 ch 47) 2384 (W38 roc 25 slot 14 ch 25, disconnected) 3086 (Z179 roc 26 slot 6 ch 71) 3089 (Z182 roc 26 slot 6 ch 63) Very low gain channels are 244 (given a high threshold)
Fall 2021:
Dead channels are 709 (K39 roc 27 slot 8 ch 13, disconnected) 2354 (W8 roc 25 slot 7 ch 47) 2384 (W38 roc 25 slot 14 ch 25, disconnected) 3089 (Z182 roc 26 slot 6 ch 63) Very low gain channels are 244 (given a high threshold) from wire-gains w primex data (later on) straw 244 not enough counts straw 709 not enough counts straw 795 not enough counts straw 2354 not enough counts straw 2384 not enough counts straw 3086 not enough counts straw 3089 not enough counts
Spring 2023:
Dead channels are 709 (K39 roc 27 slot 8 ch 13, disconnected) 2354 (W8 roc 25 slot 7 ch 47) 3349 (BB36 roc 25 slot 14 channel 48) 2384 (W38 roc 25 slot 14 ch 25, disconnected) Cold channels: 3089 (Z182 roc 26 slot 6 ch 63)
Spring 2025:
Dead channels are 709 (K39 roc 27 slot 8 ch 13, disconnected) 2354 (W8 roc 25 slot 7 ch 47) 2384 (W38 roc 25 slot 14 ch 25, disconnected) 3214 (AA110 roc 28 slot 7 ch 71) newly quiet this run period. Cold channels: 3089 (Z182 roc 26 slot 6 ch 63) 3349 has revived!
Histograms from Run 11663, raw sample data from 11637.
Amplitude histograms are amplitude from CDCPulse object without pedestal subtraction. Note that the amplitude is scaled by 1/8 on the fadc, but the raw signals are not.
No hits in straw n=3 A3 rocid==25&&slot==3&&channel==5 Few hits in straw n=709 K39 rocid==27&&slot==8&&channel==13 disconnected Few hits in straw n=2384 W38 rocid==25&&slot==14&&channel==25 disconnected No hits in straw n=2873 Y73 rocid==26&&slot==15&&channel==24 No hits in straw n=2964 Z57 rocid==27&&slot==16&&channel==49 No hits in straw n=3150 AA46 rocid==25&&slot==17&&channel==68 No hits in straw n=3151 AA47 rocid==25&&slot==17&&channel==65 No hits in straw n=3372 BB59 rocid==27&&slot==16&&channel==50 low gain straws Low gain in straw n= 244 E52 4.000 ! rocid==26&&slot==13&&channel==35 Low gain in straw n= 2977 Z70 1.375 ! rocid==27&&slot==9&&channel==57 Low gain in straw n= 3178 AA74 1.373 ! rocid==27&&slot==9&&channel==56 Low-gain HVB group rocid==26&&slot==15 chan 48+ n= 3064-3070, 3270-3277, 3479-3486
Contents
Straw 244 (low gain)
Straw 2977 (low gain)
Straw 3064 (low gain)
