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<p>Folks,</p>
<p>Please find the notes below and at
<a class="moz-txt-link-freetext" href="https://halldweb.jlab.org/wiki-private/index.php/Hall_D_Staff_Meeting,_October_30,_2017">https://halldweb.jlab.org/wiki-private/index.php/Hall_D_Staff_Meeting,_October_30,_2017</a>
.</p>
<p> - Mark</p>
<p>______________________________</p>
<p> </p>
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<h1 id="firstHeading" class="firstHeading" lang="en"><span
dir="auto">Hall D Staff Meeting, October 30, 2017</span></h1>
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<div id="siteSub">From Gluex PRIVATE Wiki</div>
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lang="en">
<p>Present: Alex Austregesilo, Thomas Britton, Eugene Chudakov
(chair), Mark Dalton, Hovanes Egiyan, Sergey Furletov, Mark
Ito, David Lawrence, Paul Mattione, Lubomir Pentchev,
Patrizia Rossi, Elton Smith, Sascha Somov, Tim Whitlatch
</p>
<div id="toc" class="toc">
<div id="toctitle">
<h2>Contents</h2>
</div>
<ul>
<li class="toclevel-1 tocsection-1"><a
href="https://halldweb.jlab.org/wiki-private/index.php?title=Hall_D_Staff_Meeting,_October_30,_2017&printable=yes#Announcements"><span
class="tocnumber">1</span> <span class="toctext">Announcements</span></a></li>
<li class="toclevel-1 tocsection-2"><a
href="https://halldweb.jlab.org/wiki-private/index.php?title=Hall_D_Staff_Meeting,_October_30,_2017&printable=yes#Run_Preparations"><span
class="tocnumber">2</span> <span class="toctext">Run
Preparations</span></a></li>
<li class="toclevel-1 tocsection-3"><a
href="https://halldweb.jlab.org/wiki-private/index.php?title=Hall_D_Staff_Meeting,_October_30,_2017&printable=yes#Data_Analysis"><span
class="tocnumber">3</span> <span class="toctext">Data
Analysis</span></a></li>
<li class="toclevel-1 tocsection-4"><a
href="https://halldweb.jlab.org/wiki-private/index.php?title=Hall_D_Staff_Meeting,_October_30,_2017&printable=yes#Visitor"><span
class="tocnumber">4</span> <span class="toctext">Visitor</span></a></li>
<li class="toclevel-1 tocsection-5"><a
href="https://halldweb.jlab.org/wiki-private/index.php?title=Hall_D_Staff_Meeting,_October_30,_2017&printable=yes#DNP"><span
class="tocnumber">5</span> <span class="toctext">DNP</span></a></li>
</ul>
</div>
<h2><span class="mw-headline" id="Announcements">Announcements</span></h2>
<ul>
<li> Eugene and Patrizia: no change in accelerator schedule.</li>
<li> Eugene: solenoid at 1345 A
<ul>
<li> Fri. magnet tripped at 140 A.</li>
<li> coil 2 had voltage spike, opposite in sign from
direction of ramp</li>
<li> spikes seen before had same sign</li>
<li> during dump, large spike seen, 10 V for
milliseconds</li>
</ul>
</li>
<li> Eugene: box for DIRC transport left IU today bound for
SLAC
<ul>
<li> bar box will be picked up and driven to JLab</li>
</ul>
</li>
</ul>
<h2><span class="mw-headline" id="Run_Preparations">Run
Preparations</span></h2>
<ul>
<li> Mark: target and start counter inserted into bore
<ul>
<li> discriminator scalars working for all channels</li>
</ul>
</li>
<li> Tim: Items from the Hall
<ul>
<li> muon detector frame pieces cut</li>
<li> DIRC work suspended due to magnet testing
<ul>
<li> lifting fixture design on to analysis and then
review</li>
</ul>
</li>
<li> HCO starting for all systems</li>
<li> Rapid access hardware and cabling in place
<ul>
<li> system could come live next week</li>
</ul>
</li>
</ul>
</li>
<li> Sascha: problem in TDC crate for tagger, muon crate not
powered yet</li>
<li> Lubomir: LV module for FDC having problem</li>
<li> Hovanes: negative HV channel disrupting EPICS with
nonsense messages, could be entire crate</li>
<li> David: raid disk chassis arrived without second pot to
connect to 2 servers (for backup)
<ul>
<li> New chassis has arrived, Paul Letta swapping to it
now</li>
</ul>
</li>
<li> Sergey: of the 4 nodes used as Data Concentrators, only
two are fully functional.
<ul>
<li> we may purchase a backup or two</li>
</ul>
</li>
</ul>
<h2><span class="mw-headline" id="Data_Analysis">Data Analysis</span></h2>
<ul>
<li> Alex: analysis launch in progress, going slowly, on
2017 low-intensity data</li>
<li> Elton: problem in BCAL matching to charged tracks
<ul>
<li> only known change: new material map for BCAL in
CCDB</li>
<li> Simon has studied this, does not see an effect</li>
</ul>
</li>
<li> Paul: plan to start reconstruction of all Spring 2017
data by Fri.
<ul>
<li> need final check on FCAL calibrations</li>
<li> need to deal with BCAL matching issue</li>
</ul>
</li>
</ul>
<h2><span class="mw-headline" id="Visitor">Visitor</span></h2>
<p>Eugene: Wed. we will get a visit from the nominee for under
secretary for science
</p>
<h2><span class="mw-headline" id="DNP">DNP</span></h2>
<p>David: mini-symposium went well, many well-presented talks,
significant audience
</p>
</div>
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<pre class="moz-signature" cols="72">--
Mark Ito, <a class="moz-txt-link-abbreviated" href="mailto:marki@jlab.org">marki@jlab.org</a>, (757)269-5295
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