Difference between revisions of "MOLLER PQB Meeting March 20, 2024"

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1- '''Two major MOLLER beam studies in Hall A:'''
 
1- '''Two major MOLLER beam studies in Hall A:'''
 
# '''FFB in Hall A:''' (tentatively scheduled on April 17)  
 
# '''FFB in Hall A:''' (tentatively scheduled on April 17)  
−
## BSList to start Hall A April run with FFB ON - Ryan Bodestein: [https://tasklists.jlab.org/bslist/tasks/111279]
+
## BSList to start Hall A April run with FFB ON - Ryan Bodestein: [https://tasklists.jlab.org/bslist/tasks/111381]
 
## BSList to measure PQB beam in Hall A helicity flip of 2 kHz and to measure monitor (BPMs, BCMs) resolution: [https://tasklists.jlab.org/bslist/tasks/109569]
 
## BSList to measure PQB beam in Hall A helicity flip of 2 kHz and to measure monitor (BPMs, BCMs) resolution: [https://tasklists.jlab.org/bslist/tasks/109569]
 
# '''K-Long Beam Loading:''' (tentatively scheduled on May 1)  
 
# '''K-Long Beam Loading:''' (tentatively scheduled on May 1)  
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## BSList to measure PQB beam in Injector and Hall A - Caryn Palatchi: [https://tasklists.jlab.org/bslist/tasks/111367]
 
## BSList to measure PQB beam in Injector and Hall A - Caryn Palatchi: [https://tasklists.jlab.org/bslist/tasks/111367]
 
## '''Other issues to look for:'''
 
## '''Other issues to look for:'''
−
### 4-Wire BPMs saturation in West Arc
+
### 4-channel BPMs saturation in West Arc
−
### Exciting higher order modes in cavities
+
### Dumping beam harmonics right onto one of the higher order mode frequencies
  
 
2- Fix Hall D Tune-Mode-Generator; it has low extinction ratio
 
2- Fix Hall D Tune-Mode-Generator; it has low extinction ratio

Latest revision as of 13:55, 20 March 2024

In person in MCC Conference Room and with Zoom.

https://wiki.jlab.org/ciswiki/index.php/Parity_Quality_Beam

--

Agenda:

1- Two major MOLLER beam studies in Hall A:

  1. FFB in Hall A: (tentatively scheduled on April 17)
    1. BSList to start Hall A April run with FFB ON - Ryan Bodestein: [1]
    2. BSList to measure PQB beam in Hall A helicity flip of 2 kHz and to measure monitor (BPMs, BCMs) resolution: [2]
  2. K-Long Beam Loading: (tentatively scheduled on May 1)
    1. BSList to deliver 15.6 MHz beam from Hall D laser to Hall C - Riad Suleiman: [3]
    2. BSList to measure PQB beam in Injector and Hall A - Caryn Palatchi: [4]
    3. Other issues to look for:
      1. 4-channel BPMs saturation in West Arc
      2. Dumping beam harmonics right onto one of the higher order mode frequencies

2- Fix Hall D Tune-Mode-Generator; it has low extinction ratio

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