Difference between revisions of "BLTWG Meeting 04/28/2020"

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(Agenda)
(Agenda)
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#* energy-dependent beam profile from fast raster
 
#* energy-dependent beam profile from fast raster
 
#* tagging accidentals scan analysis
 
#* tagging accidentals scan analysis
#** using only 2 side bunches rather than 12 gives the same result up to small changes however the large discrepancy between microscope and hodoscope persists in the spring 19 data for PrimeX. There is also a noticeable difference between hodoscope above and below the microscope and both are significantly larger than the microscope values.
+
#** using only 2 side bunches rather than 12 gives the same result (for accidental scaling factors) up to minor changes, however, the large discrepancy between microscope and hodoscope (1.05 vs. 1.1) persists in the spring 19 data for PrimeX. There is also a noticeable difference (2-3%) between hodoscope above and below the microscope and both are significantly larger than the microscope values.
 
#* other beam flux systematics
 
#* other beam flux systematics
 
# Any other business
 
# Any other business
  
 
=== Notes ===
 
=== Notes ===

Revision as of 07:19, 28 April 2020

Organization

  • Time: 1:30 EDT
  • JLab meeting room: CEBAF Center F324-325
  • Connecting: detailed instructions are here
  • Conference id: 536076821
  • Present:

Agenda

  1. Announcements
  2. Polarimetry
    • TPOL polarimetry update
    • Polarimetry from hadron decays
  3. Offline analysis
    • changes in TAGM calibration constants
    • coordinated updates to ccdb for 2020 spring run
  4. NIM paper figure on e-beam convergence
  5. Photon beam systematics studies
    • variation in collimator transmission
    • energy-dependent beam profile from fast raster
    • tagging accidentals scan analysis
      • using only 2 side bunches rather than 12 gives the same result (for accidental scaling factors) up to minor changes, however, the large discrepancy between microscope and hodoscope (1.05 vs. 1.1) persists in the spring 19 data for PrimeX. There is also a noticeable difference (2-3%) between hodoscope above and below the microscope and both are significantly larger than the microscope values.
    • other beam flux systematics
  6. Any other business

Notes