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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/GlueX_TOF_Meeting,_August_26,_2020#Minutes">here</a>
and below.</p>
<p> -- Mark</p>
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<h2 id="firstHeading" class="firstHeading" lang="en"><span
dir="auto">GlueX TOF Meeting, August 26, 2020, </span><span
class="mw-headline" id="Minutes">Minutes</span></h2>
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lang="en">
<p>Present: Mark Ito (chair), Sasha Ostrovidov, Beni
Zihlmann
</p>
<p>There is a <a rel="nofollow" class="external text"
href="https://bluejeans.com/s/o4VQphdhzgE/">recording
of this meeting</a> on the BlueJeans site. Use your
JLab credentials to gain access.
</p>
<h3><span class="mw-headline" id="TOF_Calibration">TOF
Calibration</span></h3>
<p>Beni is re-doing the calibration for the 2019-11
period. He discovered a bug (an inappropriate
initialization value) that caused some small fraction of
the fits to find the true peak timing value. He also
implemented a work-around for the <a
href="https://halldweb.jlab.org/wiki/index.php/GlueX_TOF_Meeting,_August_12,_2020#Calibration_Anomaly"
title="GlueX TOF Meeting, August 12, 2020">PMT #63
problem he reported last time</a>. He is using the
time-walk correction for that channel from the last run
where the ADC was behaving properly.
</p>
<p>He has uploaded some constants to the CCDB so that Sean
can get started checking results.
</p>
<h3><span class="mw-headline" id="Data_Monitoring">Data
Monitoring</span></h3>
<p>Sasha has been checking the monitoring plots for the
TOF from time to time. He had no anomalies to report. He
will continue to make the checks.
</p>
<h3><span class="mw-headline" id="TOF_NIM_paper">TOF NIM
paper</span></h3>
<p>We re-re-dedicated ourselves to the effort.
</p>
<h3><span class="mw-headline" id="Action_Item_Recap">Action
Item Recap</span></h3>
<ol>
<li> Decide on when to ship PMTs to JLab from FSU (Mark,
Paul Eugenio)</li>
<li> Prepare a complete draft of the TOF NIM paper.
(all)</li>
<li> Paddle 18 re-calibration (Beni)</li>
</ol>
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