Difference between revisions of "Cosmics test plans"

From epsciwiki
Jump to navigation Jump to search
Line 18: Line 18:
 
Questions:
 
Questions:
 
* Do we need to force a B field in the reconstruction sw (wait for Simon to answer)
 
* Do we need to force a B field in the reconstruction sw (wait for Simon to answer)
** ''Simon reported progress on straight track reconstruction''
+
** ''Simon reported progress on straight track reconstruction (email to David and Naomi Feb. 24th)''
 
* Full DAQ or standalone DAQ?
 
* Full DAQ or standalone DAQ?
 
** ''Ask Sergey for configuration with only CDC, BCAL, start counter, FDC''
 
** ''Ask Sergey for configuration with only CDC, BCAL, start counter, FDC''
 
* When are we doing this?
 
* When are we doing this?
 
** ''Need to coordinate with Hall-D. Potentially Feb. 24 - Mar. 10?''
 
** ''Need to coordinate with Hall-D. Potentially Feb. 24 - Mar. 10?''

Revision as of 17:03, 27 January 2022

Objectives:

  • Test drive the AIEC software
  • Demonstrate that the CDC gain is stable


Strategy:

  • Designate 2130V as the nominal HV for cosmics, to raise more hits above the noise, but keep 20V headroom for the AI.
  • Tell the AI that the HVB current is constant at 9uA so that it can operate within the range of its trained data
  • Use 1V steps and 1h runs


Needs:

  • AIEC software to read epics and wait for a stable period before calculating the gain and setting the HV
  • Method for scaling the HVB current to what it would be at the nominal HV before running the AI - will not be needed for cosmics but will be needed for CPP.
  • Script to project dE/dx for 4-10 GeV tracks, fit it and calculate the gain factor


Questions:

  • Do we need to force a B field in the reconstruction sw (wait for Simon to answer)
    • Simon reported progress on straight track reconstruction (email to David and Naomi Feb. 24th)
  • Full DAQ or standalone DAQ?
    • Ask Sergey for configuration with only CDC, BCAL, start counter, FDC
  • When are we doing this?
    • Need to coordinate with Hall-D. Potentially Feb. 24 - Mar. 10?