CDC bad channels

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Revision as of 22:26, 3 December 2014 by Nsjarvis (Talk | contribs) (Absent channels)

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Data from run 1286, histograms of adc sample values, first 20k events

Missing bits

roc 26 slot 3
run 1286 roc 26 slot 3 channel 30 - bit 3
run 1286 roc 26 slot 3 channel 50 - bit 5
run 1286 roc 26 slot 3 channel 56 - bit 9
run 1286 roc 26 slot 3 channel 57 - bits 0, 3
run 1286 roc 26 slot 3 channel 58 - bit 3


roc 27 slot 16
run 1286 roc 27 slot 16 channel 35 - bit 4
run 1286 roc 27 slot 16 channel 59 - bit 7
roc 28 slot 15
run 1286 roc 28 slot 15 channel 32 - bit 2
List of missing bits

ROC 26 slot 3 channel 30 missing bit 3

ROC 26 slot 3 channel 50 missing bit 5

ROC 26 slot 3 channel 56 missing bit 9

ROC 26 slot 3 channel 57 missing bit 0
ROC 26 slot 3 channel 57 missing bit 3

ROC 26 slot 3 channel 58 missing bit 3

ROC 27 slot 16 channel 35 missing bit 4

ROC 27 slot 16 channel 59 missing bit 7

ROC 28 slot 15 channel 32 missing bit 2

Noise in missing channels?

The first of these should be ring 13, straw 17; the other channels are not in use, slot 4 channels 48-71 are not connected to anything

roc 25 slot 9
run 1286 roc 25 slot 9 channel 14 - ring="13" straw="17"
roc 26 slot 4
run 1286 roc 26 slot 4 channel 49 (20k events) - channel not in use
run 1286 roc 26 slot 4 channel 49 (100k events)
run 1286 roc 26 slot 4 channel 62 - channel not in use
run 1286 roc 26 slot 4 channel 63 - channel not in use
run 1286 roc 26 slot 4 channel 65 - channel not in use


Many bits missing from same channel (content of filled bins could be noise) 

ROC 25 slot 9 channel 14 missing bit 0
ROC 25 slot 9 channel 14 missing bit 1
ROC 25 slot 9 channel 14 missing bit 2
ROC 25 slot 9 channel 14 missing bit 7
ROC 25 slot 9 channel 14 missing bit 9
ROC 25 slot 9 channel 14 missing bit 10

ROC 26 slot 4 channel 49 missing bit 4
ROC 26 slot 4 channel 49 missing bits 7 to 11

ROC 26 slot 4 channel 61 missing bit 3
ROC 26 slot 4 channel 61 missing bit 4
ROC 26 slot 4 channel 61 missing bits 7 to 11

ROC 26 slot 4 channel 62 missing bit 3
ROC 26 slot 4 channel 62 missing bit 4
ROC 26 slot 4 channel 62 missing bits 7 to 11

ROC 26 slot 4 channel 63 missing bit 4
ROC 26 slot 4 channel 63 missing bits 7 to 11

ROC 26 slot 4 channel 65 missing bit 3
ROC 26 slot 4 channel 65 missing bit 4
ROC 26 slot 4 channel 65 missing bits 7 to 11


High end bits not populated

These are mostly strawless channels.

roc 25 slot 8
run 1286 roc 25 slot 8 channel 35
run 1286 roc 25 slot 8 channel 37
High end bits missing (not necessarily a problem, signals could have been small, could be strawless channels)

ROC 25 slot 8 channel 35 missing bits 9 to 11 - connected to transition board but no straw
ROC 25 slot 8 channel 37 missing bits 9 to 11 - connected to transition board but no straw
ROC 25 slot 9 channel 37 missing bits 8 to 11 - connected to transition board but no straw
ROC 25 slot 9 channel 59 missing bits 8 to 11 - connected to transition board but no straw
ROC 25 slot 10 channel 61 missing bits 8 to 11 - connected to transition board but no straw
ROC 25 slot 13 channel 13 missing bits 8 to 11 - connected to transition board but no straw
ROC 25 slot 13 channel 37 missing bits 8 to 11 - connected to transition board but no straw
ROC 25 slot 14 channel 35 missing bits 8 to 11 - connected to transition board but no straw
ROC 25 slot 14 channel 59 missing bits 8 to 11 - connected to transition board but no straw
ROC 25 slot 16 channel 11 missing bits 8 to 11 - connected to transition board but no straw
ROC 25 slot 16 channel 37 missing bits 8 to 11 - connected to transition board but no straw
ROC 25 slot 17 channel 59 missing bits 8 to 11 - connected to transition board but no straw

ROC 26 slot 4 channel 7 missing bits 8 to 11 - connected to transition board but no straw
ROC 26 slot 4 channel 11 missing bits 8 to 11 - connected to transition board but no straw
ROC 26 slot 4 channel 48 missing bits 7 to 11 - channels 48 to 71 are not in use
ROC 26 slot 4 channel 60 missing bits 7 to 11 - channels 48 to 71 are not in use

ROC 26 slot 5 channel 13 missing bits 9 to 11 - connected to transition board but no straw
ROC 26 slot 6 channel 11 missing bits 8 to 11 - connected to transition board but no straw
ROC 26 slot 6 channel 61 missing bits 8 to 11 - connected to transition board but no straw
ROC 26 slot 7 channel 13 missing bits 8 to 11 - connected to transition board but no straw
ROC 26 slot 9 channel 33 missing bits 8 to 11 - connected to transition board but no straw
ROC 26 slot 9 channel 35 missing bits 8 to 11 - connected to transition board but no straw
ROC 26 slot 13 channel 37 missing bits 8 to 11 - connected to transition board but no straw
ROC 26 slot 13 channel 61 missing bits 8 to 11 - connected to transition board but no straw
ROC 26 slot 14 channel 61 missing bits 8 to 11 - connected to transition board but no straw
ROC 26 slot 15 channel 61 missing bits 8 to 11 - connected to transition board but no straw
ROC 26 slot 16 channel 35 missing bits 8 to 11 - connected to transition board but no straw

ROC 27 slot 3 channel 37 missing bits 8 to 11 - connected to transition board but no straw
ROC 27 slot 3 channel 61 missing bits 8 to 11 - connected to transition board but no straw
ROC 27 slot 4 channel 11 missing bits 8 to 11 - connected to transition board but no straw
ROC 27 slot 4 channel 35 missing bits 8 to 11 - connected to transition board but no straw
ROC 27 slot 5 channel 13 missing bits 8 to 11 - connected to transition board but no straw
ROC 27 slot 5 channel 35 missing bits 8 to 11 - connected to transition board but no straw
ROC 27 slot 7 channel 17 missing bits 8 to 11 - connected to transition board but no straw
ROC 27 slot 7 channel 41 missing bits 8 to 11 - connected to transition board but no straw
ROC 27 slot 8 channel 61 missing bits 8 to 11 - connected to transition board but no straw
ROC 27 slot 9 channel 11 missing bits 8 to 11 - connected to transition board but no straw
ROC 27 slot 9 channel 35 missing bits 8 to 11 - connected to transition board but no straw
ROC 27 slot 9 channel 37 missing bits 8 to 11 - connected to transition board but no straw
ROC 27 slot 10 channel 37 missing bits 8 to 11 - connected to transition board but no straw
ROC 27 slot 13 channel 35 missing bits 8 to 11 - connected to transition board but no straw
ROC 27 slot 15 channel 59 missing bits 8 to 11 - connected to transition board but no straw
ROC 27 slot 16 channel 11 missing bits 8 to 11 - connected to transition board but no straw

ROC 28 slot 5 channel 37 missing bits 8 to 11 - connected to transition board but no straw
ROC 28 slot 6 channel 65 missing bits 8 to 11 - connected to transition board but no straw
ROC 28 slot 7 channel 13 missing bits 8 to 11 - connected to transition board but no straw
ROC 28 slot 9 channel 35 missing bits 8 to 11 - connected to transition board but no straw
ROC 28 slot 10 channel 37 missing bits 8 to 11 - connected to transition board but no straw
ROC 28 slot 14 channel 31 missing bits 8 to 11 - connected to transition board but no straw
ROC 28 slot 14 channel 37 missing bits 8 to 11 - connected to transition board but no straw
ROC 28 slot 16 channel 47 missing bits 8 to 11 ********** ring="15" straw="97" *********
ROC 28 slot 16 channel 59 missing bits 8 to 11  - connected to transition board but no straw

Absent channels

Channels missing altogether

Missing channel ROC 25 slot 6 channel 17 - not in use

Missing channel ROC 25 slot 7 channel 11 - not in use

Missing channel ROC 26 slot 3 channel 59 - not in use

Missing channel ROC 26 slot 4 channel 50 - channels 48 to 71 are not in use
Missing channel ROC 26 slot 4 channel 51
Missing channel ROC 26 slot 4 channel 52
Missing channel ROC 26 slot 4 channel 53
Missing channel ROC 26 slot 4 channel 54
Missing channel ROC 26 slot 4 channel 55
Missing channel ROC 26 slot 4 channel 56
Missing channel ROC 26 slot 4 channel 57
Missing channel ROC 26 slot 4 channel 58
Missing channel ROC 26 slot 4 channel 59
Missing channel ROC 26 slot 4 channel 64
Missing channel ROC 26 slot 4 channel 66
Missing channel ROC 26 slot 4 channel 67
Missing channel ROC 26 slot 4 channel 68
Missing channel ROC 26 slot 4 channel 69
Missing channel ROC 26 slot 4 channel 70
Missing channel ROC 26 slot 4 channel 71

Missing channel ROC 26 slot 16 channel 13 - connected to strawless transition pad

Missing channel ROC 27 slot 15 channel 20 ** ring="13" straw="32"
Missing channel ROC 27 slot 15 channel 21 ** ring="12" straw="28"
Missing channel ROC 27 slot 15 channel 22 ** ring="13" straw="31"
Missing channel ROC 27 slot 15 channel 23 ** ring="11" straw="28"
Missing channel ROC 27 slot 15 channel 49 ** ring="18" straw="42"

Missing channel ROC 27 slot 16 channel 62 ** ring="28" straw="55"

Missing channel ROC 28 slot 17 channel 21 ** ring="21" straw="117"
Missing channel ROC 28 slot 17 channel 29 ** ring="24" straw="136"