Difference between revisions of "BLTWG Meeting 05/26/2020"

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(Created page with "=== Organization === * Time: 1:30 EDT * JLab meeting room: CEBAF Center F324-325 * Connecting: detailed instructions are here ** H.323...")
 
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# Polarimetry
 
# Polarimetry
 
#* TPOL polarimetry update
 
#* TPOL polarimetry update
−
#* Polarimetry from hadron decays
+
#* Progress on CBSA calculations
 
# Offline analysis
 
# Offline analysis
−
#* changes in TAGM calibration constants
 
 
#* coordinated updates to ccdb for 2020 spring run
 
#* coordinated updates to ccdb for 2020 spring run
−
# NIM paper figure on e-beam convergence
+
#* dead channels database update for spring run
−
#* [https://drive.google.com/file/d/1H6y4GCCYNvjMQJlA_wBoXU7OnvsMRAN0/view?usp=sharing current draft figure]
+
#* coordinated tagger energy scaling fix
 +
#* tracking changes in tagger dipole field -- ''discussion''
 
# Photon beam systematics studies
 
# Photon beam systematics studies
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#* variation in collimator transmission
 
 
#* energy-dependent beam profile from fast raster
 
#* energy-dependent beam profile from fast raster
−
#* tagging accidentals scan analysis
+
#* tagging accidentals scan analysis -- ''Richard''
−
#** 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.This is NOT seen in the fall18 and fall19 data sets. Note, this is done using events with PS data.
+
#* variation in collimator transmission -- ''updates?''
−
#* other beam flux systematics
+
#* converter thickness systematics
−
# Presentations at May Collaboration Meeting ([[GlueX-Collaboration-May-2020|new organizational structure]] -- see Tuesday morning)
+
−
## beam-related issues confronted by analysis groups
+
−
##* Accidental scaling factors and followup on high intensity runs this past Spring
+
−
##* Status of flux systematics: overall normalization, energy dependence, etc.
+
−
##* Status of polarization systematics: converter thickness comparisons, etc.
+
 
## other topics?
 
## other topics?
 
# Any other business
 
# Any other business
  
 
=== Notes ===
 
=== Notes ===

Revision as of 08:04, 26 May 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
    • Progress on CBSA calculations
  3. Offline analysis
    • coordinated updates to ccdb for 2020 spring run
    • dead channels database update for spring run
    • coordinated tagger energy scaling fix
    • tracking changes in tagger dipole field -- discussion
  4. Photon beam systematics studies
    • energy-dependent beam profile from fast raster
    • tagging accidentals scan analysis -- Richard
    • variation in collimator transmission -- updates?
    • converter thickness systematics
    1. other topics?
  5. Any other business

Notes

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