Difference between revisions of "SRC/CT Detector Calibration"

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*Old page: https://halldweb.jlab.org/wiki/index.php/SRC/CT_Calibrations
 
*Old page: https://halldweb.jlab.org/wiki/index.php/SRC/CT_Calibrations
 
{| class="wikitable"
 
{| class="wikitable"
! Detector !! Calibrations !! Hall D Expert !! Helper/Monitoring
+
! Detector !! Calibrations !! Hall D Expert
 
|-  
 
|-  
| '''BCAL''' || Timing/z-position/gain ratios || Mark Dalton || Nathaly
+
| '''BCAL''' || timing, z-position, gain ratios, gains, non-linearities || Mark Dalton, Karthik
|-
+
| '''BCAL''' || gains/non-linearities || Regina group [Karthik] || Nathaly
+
|-
+
| '''CDC''' || gains and dE/dx || Simon Taylor || GWU-Phoebe/Axel
+
 
|-
 
|-
| '''CDC''' || Time-to-distance || Simon Taylor || GWU-Phoebe/Axel
+
| '''CDC''' || gains, dE/dx, time-to-distance || Simon Taylor
 
|-  
 
|-  
| '''FDC''' || Timing || Keigo Mizutani || Jackson Pybus
+
| '''FDC''' || timing, wire plane, pedestals, gain/energy non-linearities || Keigo Mizutani
 
|-  
 
|-  
| '''FCAL''' || gains/non-linearities/timing || Igal Jaegle || Carlos Ayerbe
+
| '''FCAL''' || gains/non-linearities/timing || Igal Jaegle
 
|-  
 
|-  
| '''PS/PSC''' || timing || Alex Somov/Olga Cortes || GWU-Phoebe/Axel
+
| '''PS''' || timing offsets, timewalk || Alex Somov
 
|-  
 
|-  
| '''ST''' || timing || Mark Ito || Bo
+
| '''ST''' || timing, resolution || Sean Dobbs
 
|-  
 
|-  
| '''ST''' || resolution || Mark Ito || Bo
+
| '''TAGH''' || timing offsets, timewalk || Alex Somov
 
|-  
 
|-  
| '''TAGH''' || timing || Alex Somov|| Bhesha Devkota
+
| '''TAGM''' || timing offsets, timewalk || Alex Somov
 
|-  
 
|-  
| '''TAGM''' || timing || Alex Somov || Bo Yu
+
| '''TOF''' || timing offsets, timewalk, attenuation, gain || Beni Zihlmann
|-
+
| '''TOF''' || timing/gains || Beni Zihlmann || Jackson
+
 
|}
 
|}
  
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| '''07''' || 07/27/2022 || 2 || TBA
 
| '''07''' || 07/27/2022 || 2 || TBA
 
|}
 
|}
 +
*
  
 
=Data quality issues=
 
=Data quality issues=
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*TAGH
 
*TAGH
 
*FDC
 
*FDC
 
 
* '''CDC'''
 
** Wire gains (per-channel)
 
** Overall gain factors (can skip if online is good enough)
 
** Final dE/dx calibrations
 
** Time-to-distance
 
** Plots 11/02: [https://halldweb.jlab.org/wiki/index.php/File:CDC_calibrationupdate.pdf]
 
* '''FDC'''
 
** Wire plane calibrations
 
** Pedestals
 
** "Automated" gain/energy non-linearities
 
** Timing
 
* '''PS/PSC'''
 
** PS timing
 
** PSC timing offsets + timewalk
 
 
* '''TAGH'''
 
** timing offsets + timewalk
 
* '''TAGM'''
 
** timing offsets + timewalk
 
* '''TOF'''
 
** timing offsets
 
** timewalks
 
** attenuation corrections
 
** gain corrections
 
* '''Start Counter'''
 
** timing
 
** [https://halldweb.jlab.org/wiki/images/b/b7/SC.pdf SC overview]
 

Revision as of 12:01, 1 August 2022

Overview of subdetectors

Detector Calibrations Hall D Expert
BCAL timing, z-position, gain ratios, gains, non-linearities Mark Dalton, Karthik
CDC gains, dE/dx, time-to-distance Simon Taylor
FDC timing, wire plane, pedestals, gain/energy non-linearities Keigo Mizutani
FCAL gains/non-linearities/timing Igal Jaegle
PS timing offsets, timewalk Alex Somov
ST timing, resolution Sean Dobbs
TAGH timing offsets, timewalk Alex Somov
TAGM timing offsets, timewalk Alex Somov
TOF timing offsets, timewalk, attenuation, gain Beni Zihlmann

Monitoring launches

Version Date Files per run Compared with last version
01 Timing/z-position/gain ratios Mark Dalton Nathaly
02 gains/non-linearities Regina group [Karthik] Nathaly
03 gains and dE/dx Simon Taylor GWU-Phoebe/Axel
04 Time-to-distance Simon Taylor GWU-Phoebe/Axel
05 Timing Keigo Mizutani Jackson Pybus
06 gains/non-linearities/timing Igal Jaegle Carlos Ayerbe
07 07/27/2022 2 TBA

Data quality issues

  • Some hardware or software issues can not be fixed by calibrations. Attention is needed during the data analysis
  • CDC
  • TAGH
  • FDC