Difference between revisions of "Wednesday, March 20, 2019, 11:00 am EST"

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=== General ===
 
=== General ===
 
* Discussion of test
 
* Discussion of test
 +
* Chicane survey results
  
 
=== Laser ===
 
=== Laser ===
Line 29: Line 30:
 
=== Photon Detector ===
 
=== Photon Detector ===
 
* GSO detector status
 
* GSO detector status
 +
** Intend to take the GSO back to CMU so it can be prepared for PREX (presently has CREX tube+base)
 +
** Triggered sums + snapshots were repeatedly lost during today's test (likely due to excessively large rates) --> will investigate this week
 +
** Collimator during PREXII (i.e. can we modify/remove it?)
 +
** Need to find solution for horizontal finger scintillator
 +
*** Maybe just passing it through an amplifier is enough, or maybe just needs a different PMT
 +
** DAQ missing "Beam Modulation" signal (Will get from Victoria whenever they have it available)
 
* Online analysis
 
* Online analysis
 +
** Is the Compton edge larger than expected? [https://logbooks.jlab.org/files/2019/03/3669806/Screenshot%202019-03-19%20at%2010.21.13.png]
 +
** Accumulator 0 asymmetries [https://logbooks.jlab.org/entry/3669950]
  
 
=== Simulation ===
 
=== Simulation ===

Latest revision as of 20:14, 19 March 2019

Back to Main Compton Page >> Compton Meetings

*********BLUEJEANS CALL-IN INSTRUCTIONS*********
----------------------------------------------------
1. Dial Toll-Free Number: 1-888-240-2560 (U.S. & Canada)
2. International participants dial:
Toll Number: 1-408-740-7256
3. Enter meeting ID:140287970

Desktop sharing:
https://bluejeans.com/140287970 

Agenda

Meeting room= F227 in Cebaf Center

General

  • Discussion of test
  • Chicane survey results

Laser

  • Laser update
    • Plans during installation period
    •  !0 W fiber amp available April 8
    • additional 10 fiber amp in procurement
    • Seed laser setup
    • Polarization scan tests?

Photon Detector

  • GSO detector status
    • Intend to take the GSO back to CMU so it can be prepared for PREX (presently has CREX tube+base)
    • Triggered sums + snapshots were repeatedly lost during today's test (likely due to excessively large rates) --> will investigate this week
    • Collimator during PREXII (i.e. can we modify/remove it?)
    • Need to find solution for horizontal finger scintillator
      • Maybe just passing it through an amplifier is enough, or maybe just needs a different PMT
    • DAQ missing "Beam Modulation" signal (Will get from Victoria whenever they have it available)
  • Online analysis
    • Is the Compton edge larger than expected? [1]
    • Accumulator 0 asymmetries [2]

Simulation

Electron detector

  • Update on test plans
    • Signal amplification
    • Diamond
    • HVMAPS

Minutes