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    <p>Folks,</p>
    <p>Please find the minutes <a moz-do-not-send="true"
href="https://halldweb.jlab.org/wiki/index.php/HDGeant4_Meeting,_June_18,_2019#Minutes">here</a>
      and below.</p>
    <p>  -- Mark</p>
    <p>_________________________________________________________</p>
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          <h2 id="firstHeading" class="firstHeading" lang="en"><span
              dir="auto">HDGeant4 Meeting, June 18, 2019, </span><span
              class="mw-headline" id="Minutes">Minutes</span></h2>
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              <p>Present:
              </p>
              <ul>
                <li> <b> CMU: </b> Naomi Jarvis</li>
                <li> <b> JLab: </b> Alex Austregesilo, Thomas Britton,
                  Mark Dalton, Sean Dobbs, Hovanes Egiyan, Stuart Fegan,
                  Mark Ito (chair), Justin Stevens, Simon Taylor, Beni
                  Zihlmann</li>
                <li> <b> UConn: </b> Richard Jones</li>
              </ul>
              <p>There is a <a rel="nofollow" class="external text"
                  href="https://bluejeans.com/s/9vrMA/">recording of
                  this meeting</a> on the BlueJeans site. Use your JLab
                credentials to get access.
              </p>
              <h3><span class="mw-headline"
                  id="Review_of_minutes_from_the_last_meeting">Review of
                  minutes from the last meeting</span></h3>
              <p>We went over <a
href="https://halldweb.jlab.org/wiki/index.php/HDGeant4_Meeting,_June_4,_2019#Minutes"
                  title="HDGeant4 Meeting, June 4, 2019">the minutes
                  from June 4</a>. Thomas reported that the test of the
                JLab-resident XROOTD server was done by forcing use of
                scosg16 in the jobs. Usually JLab is the fall back for
                streaming random trigger files. The first choice is
                UConn.
              </p>
              <h3><span class="mw-headline" id="Issues_on_GitHub">Issues
                  on GitHub</span></h3>
              <p>We went over the <a rel="nofollow" class="external
                  text"
                  href="https://github.com/JeffersonLab/HDGeant4/issues">list
                  of issues</a>.
              </p>
              <ul>
                <li> <a rel="nofollow" class="external text"
                    href="https://github.com/JeffersonLab/HDGeant4/issues/113">Overall
                    BCAL energy shift? #113</a>.
                  <ul>
                    <li> Richard noted that there is a fudge factor of
                      1.015 applied to energies from HDG4, HDG3 has no
                      factor. This was introduced to allow HDG3 based
                      calibrations to be used without modification.</li>
                    <li> Mark D. will re-do his study with a recent
                      version of the software.</li>
                  </ul>
                </li>
                <li> <a rel="nofollow" class="external text"
                    href="https://github.com/JeffersonLab/HDGeant4/issues/111">Difference
                    in Acceptance between G3 and G4 #111</a> Thomas will
                  re-raise the issue with Colin Gleason.</li>
                <li> <a rel="nofollow" class="external text"
                    href="https://github.com/JeffersonLab/HDGeant4/issues/110">Segfault
                    #110</a>. The crash comes in
                  G4Navigator::ComputeStep. We decided to close this one
                  for now; it only happened once.</li>
                <li> <a rel="nofollow" class="external text"
                    href="https://github.com/JeffersonLab/HDGeant4/issues/109">G4Exception
                    crash after Curve length mis-match #109</a>. Naomi
                  reports that this error occurs all of the time. She is
                  running a single-threaded job currently and will try
                  to capture the error when it happens.</li>
                <li> <a rel="nofollow" class="external text"
                    href="https://github.com/JeffersonLab/HDGeant4/issues/108">Crash
                    after GetHadronicInteraction no model found #108</a>.
                  We decided to close this one as an isolated incident.
                  Sean noted that there may be some issue with the
                  multi-threaded configuration (~40 threads) that Naomi
                  is running.</li>
                <li> <a rel="nofollow" class="external free"
                    href="https://github.com/JeffersonLab/HDGeant4/issues/107">https://github.com/JeffersonLab/HDGeant4/issues/107</a>.
                  This is on Richard's list.</li>
                <li> <a rel="nofollow" class="external text"
                    href="https://github.com/JeffersonLab/HDGeant4/issues/105">Reading
                    in # events and source #105</a>. Also on Richard's
                  list.</li>
                <li> <a rel="nofollow" class="external text"
                    href="https://github.com/JeffersonLab/HDGeant4/issues/104">Run
                    number read in from two places is confusing #104</a>.
                  Richard will put the explanation on how the run number
                  is chosen into control.in.</li>
                <li> <a rel="nofollow" class="external text"
                    href="https://github.com/JeffersonLab/HDGeant4/issues/103">Skip
                    (in control.in) is ignored #103</a> Richard fixed
                  this one. We closed it.</li>
                <li> <a rel="nofollow" class="external text"
                    href="https://github.com/JeffersonLab/HDGeant4/issues/102">Terminal
                    cleanup? #102</a>. On the list.</li>
                <li> <a rel="nofollow" class="external text"
                    href="https://github.com/JeffersonLab/HDGeant4/issues/93">Calorimeter
                    timing mismatch between g3 and g4 #93</a> Alex will
                  repeat the study with a recent version of the
                  software.</li>
                <li> <a rel="nofollow" class="external text"
                    href="https://github.com/JeffersonLab/HDGeant4/issues/89">Hit
                    Energy Agreement #89</a>. This is probably an issue
                  for mcsmear. If so, it should be migrated to the
                  halld_sim issue list. Rebecca Barsotti's work on
                  mcsmear may resolve this.</li>
              </ul>
              <h3><span class="mw-headline" id="Pull_Requests_on_GitHub">Pull
                  Requests on GitHub</span></h3>
              <p>We went over <a rel="nofollow" class="external text"
                  href="https://github.com/JeffersonLab/HDGeant4/pulls">list</a>,
                but there were no new requests and therefore no
                comments.
              </p>
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          <li id="lastmod"> This page was last modified on 18 June 2019,
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