Difference between revisions of "March 22, 2015"

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Trigger Monitoring
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* Trigger Commissioning Plan
 +
:# Integrate PS trigger to the global DAQ (1 - 2 days)
 +
:# Tune trigger parameters (trigger threshold scans, tune timing offsets) and study performance for
 +
::: - FCAL  (2 days)
 +
::::  Performed threshold scans for noise/cosmic runs [[https://logbooks.jlab.org/entry/3328066 Log entry]]
 +
::: - BCAL  (1 day)
 +
::: - FCAL & BCAL (1 day)
 +
::: - ST and TOF (1 day)
 +
::: - Coincidence of FCAL/BCAL and ST/TOF (2 days)
 +
::: - Multiple triggers in the system  (2-3 days)
 +
:::: Trigger hit-pattern is written to the trigger record
  
[Image::trig_gui.png Trigger Rates]
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*Trigger Monitoring
  
[Image::trig_gui.png Sub-detector scalers]
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: [[Media:trig_gui.png | Trigger Rates]]
  
: Use config files to initialize electronics modules
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: [[Media:fcal_scalers.png | Sub-detector scalers]]
  
    Trigger algorithm study for the spring run
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:: - Use config files to initialize electronics modules
 
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    FCAL thresholds tuning
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            - check rates with MC simulation (MC)
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            - MIP response
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    Coincidence of FCAL with other sub-detectors
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            - require tracks in ST
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            - energy correlation with BCAL
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            - combined trigger base on BCAL/ST correlations and FCAL thresholds
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+
    FCAL trigger tuning
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        decreasing integration window size (time).
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            - propagation time for MIPs (MC simulation)
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            - cable length, PMT transit time spread
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            - check with acquired data
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    Level-1 Monitor
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    Discussion on the calibration trigger types
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Latest revision as of 09:32, 23 March 2015

  • Trigger Commissioning Plan
  1. Integrate PS trigger to the global DAQ (1 - 2 days)
  2. Tune trigger parameters (trigger threshold scans, tune timing offsets) and study performance for
- FCAL (2 days)
Performed threshold scans for noise/cosmic runs [Log entry]
- BCAL (1 day)
- FCAL & BCAL (1 day)
- ST and TOF (1 day)
- Coincidence of FCAL/BCAL and ST/TOF (2 days)
- Multiple triggers in the system (2-3 days)
Trigger hit-pattern is written to the trigger record
  • Trigger Monitoring
Trigger Rates
Sub-detector scalers
- Use config files to initialize electronics modules