[Halld-offline] HDGeant4 Meeting Minutes, August 25, 2020

[Mark Ito]

Friends,

Please find the minutes from this meeting here 
<https://halldweb.jlab.org/wiki/index.php/HDGeant4_Meeting,_August_25,_2020#Minutes> 
and below.

   -- Mark


    HDGeant4 Meeting, August 25, 2020, Minutes

Present: Alex Austregesilo, Sean Dobbs, Mark Ito (chair), Naomi Jarvis, 
Richard Jones, Mahmoud Kamel, Susan Schadmand, Simon Taylor, Nilanga 
Wickramaarachchi

There is a recording of this meeting 
<https://bluejeans.com/s/uEubMV@QQm3/> on the BlueJeans site. Use your 
JLab credentials to get access.


      Review of minutes from the last meeting

We went over the [[HDGeant4 Meeting, August 11, 2020#Minutes|minutes 
from August 11].

  * We have yet to follow up with Elton on Issue #167
    <https://github.com/JeffersonLab/HDGeant4/issues/167> (G4 exceptions
    for certain run numbers). Mark will contact him.
  * We are waiting for feedback from Colin on Issue #111
    <https://github.com/JeffersonLab/HDGeant4/issues/111> (Difference in
    Acceptance between G3 and G4).
  * On Issue #173 <https://github.com/JeffersonLab/HDGeant4/issues/173>
    (Negative counts on eta invariant mass spectrum for 2017
    simulation), Mahmoud reported that he has been working with Justin
    Stevens and they have a solution. From Mahmoud's issue-closing message:

    In my code I have double uniqueness tracking, one on the missing
    mass, and the other on the final state photons only, which is not a
    correct approach to use with the accidental subtraction.


      Possible Future Issues

Sean remarked that there are some discrepancies appearing in the studies 
from the Particle ID working group when comparing data to Monte Carlo. 
At some point these may be logged as HDGeant4 issues when they are 
better understood.

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  * This page was last modified on 25 August 2020, at 15:54.

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