Difference between revisions of "GlueX Start Counter Meeting, January 11, 2018"

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Talks can be deposited in the directory <code>/group/halld/www/halldweb/html/talks/2017</code> on the JLab CUE. This directory is accessible from the web at https://halldweb.jlab.org/talks/2017/ .
 
Talks can be deposited in the directory <code>/group/halld/www/halldweb/html/talks/2017</code> on the JLab CUE. This directory is accessible from the web at https://halldweb.jlab.org/talks/2017/ .
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== Minutes ==
 
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Present:
 
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* ''' FIU ''': Mahmoud Kamel
 
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* ''' JLab ''': Thomas Britton, Eugene Chudakov, Mark Ito (chair)
 
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There is a [https://bluejeans.com/s/hoRYA recording of this meeting] on the [https://jlab.bluejeans.com/ BlueJeans site]. Use your JLab credentials to authenticate.
 
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=== Announcements ===
 
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Mark noted that the next step in run preparation is to complete Hot check-Out for the start counter. That should start this week.
 
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=== Review minutes from the last meeting ===
 
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We went over the [[GlueX Start Counter Meeting, November 2, 2017#Minutes|minutes from November 2]].
 
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Mahmoud asked for 5 M bggen events from Thomas once the code from the impending reconstruction launch stabilizes. These will be used for comparison between Monte Carlo and data.
 
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=== Update on attenuation corrections ===
 
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Mahmoud presented [https://halldweb.jlab.org/talks/2017/SC_Meeting_11_16_2017.pdf slides on his latest work] on attenuation corrections. He fits the dE/dx distribution in each paddle separately for different bins in distance-from-photo-detector. He then fits to two exponentials, one in the straight section, one in the bend+nose section where the continuity between the two is enforced at the boundary. The resulting correction makes a visible improvement in proton-pion separation. Please see his slide for details.
 
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=== NIM Paper ===
 
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Mahmoud finished all of the requested attenuation plots for the paper and passed them on to Werner Boeglin.
 

Revision as of 14:14, 10 January 2018

GlueX Start Counter Meeting
Thursday, January 11, 2018
11:30 am EST
CEBAF Center, Room F326/327

Agenda

  1. Announcements
  2. Review minutes from the last meeting
  3. Calibration and Efficiency
    1. Sean's Start Counter Issues (all)
  4. Time-dependent geometry adjustments
  5. NIM/TDR
  6. Meeting time: is 10 am OK?
  7. Action Item Review

Communication

BlueJeans

Slides

Talks can be deposited in the directory /group/halld/www/halldweb/html/talks/2017 on the JLab CUE. This directory is accessible from the web at https://halldweb.jlab.org/talks/2017/ .

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