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Please find the notes below and at
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<h1 id="firstHeading" class="firstHeading" style="font-weight:
bold;" lang="en"><span dir="auto">Hall D Staff Meeting, January
11, 2016</span></h1>
<div id="bodyContent" class="mw-body-content">
<div id="siteSub">From Gluex PRIVATE Wiki</div>
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lang="en">
<p style="widows: 3; orphans: 3; margin: 1em 0px; line-height:
1.2em;">Present: Eugene Chudakov (chair), Mark Dalton,
Alexandre Deur, Hovanes Egiyan, Ed Folts, Sergey Furletov,
Mark Ito, Paul Mattione, Elton Smith, Sascha Somov, Justin
Stevens, Simon Taylor, Zhenyu Zhang, Beni Zihlmann</p>
<div id="toc" class="toc" style="border: 1px solid rgb(170,
170, 170); padding: 5px; display: table; zoom: 1;
background-color: rgb(249, 249, 249);">
<div id="toctitle">
<h2 style="page-break-after: avoid; font-weight: bold;">Contents</h2>
</div>
<ul style="list-style-type: square;">
<li class="toclevel-1 tocsection-1"><a
href="https://halldweb.jlab.org/wiki-private/index.php?title=Hall_D_Staff_Meeting,_January_11,_2016&printable=yes#Announcements.2C_Eugene"
style="color: rgb(85, 34, 0); padding: 0px !important;
text-decoration: underline; background: transparent;"><span
class="tocnumber">1</span><span
class="Apple-converted-space"> </span><span
class="toctext">Announcements, Eugene</span></a></li>
<li class="toclevel-1 tocsection-2"><a
href="https://halldweb.jlab.org/wiki-private/index.php?title=Hall_D_Staff_Meeting,_January_11,_2016&printable=yes#Run_Preparation_Meeting.2C_Alexandre"
style="color: rgb(85, 34, 0); padding: 0px !important;
text-decoration: underline; background: transparent;"><span
class="tocnumber">2</span><span
class="Apple-converted-space"> </span><span
class="toctext">Run Preparation Meeting, Alexandre</span></a></li>
<li class="toclevel-1 tocsection-3"><a
href="https://halldweb.jlab.org/wiki-private/index.php?title=Hall_D_Staff_Meeting,_January_11,_2016&printable=yes#Calorimeters.2C_Elton"
style="color: rgb(85, 34, 0); padding: 0px !important;
text-decoration: underline; background: transparent;"><span
class="tocnumber">3</span><span
class="Apple-converted-space"> </span><span
class="toctext">Calorimeters, Elton</span></a></li>
<li class="toclevel-1 tocsection-4"><a
href="https://halldweb.jlab.org/wiki-private/index.php?title=Hall_D_Staff_Meeting,_January_11,_2016&printable=yes#Chambers.2C_Beni"
style="color: rgb(85, 34, 0); padding: 0px !important;
text-decoration: underline; background: transparent;"><span
class="tocnumber">4</span><span
class="Apple-converted-space"> </span><span
class="toctext">Chambers, Beni</span></a></li>
<li class="toclevel-1 tocsection-5"><a
href="https://halldweb.jlab.org/wiki-private/index.php?title=Hall_D_Staff_Meeting,_January_11,_2016&printable=yes#Controls.2C_Hovanes"
style="color: rgb(85, 34, 0); padding: 0px !important;
text-decoration: underline; background: transparent;"><span
class="tocnumber">5</span><span
class="Apple-converted-space"> </span><span
class="toctext">Controls, Hovanes</span></a></li>
<li class="toclevel-1 tocsection-6"><a
href="https://halldweb.jlab.org/wiki-private/index.php?title=Hall_D_Staff_Meeting,_January_11,_2016&printable=yes#Physics_Goals"
style="color: rgb(85, 34, 0); padding: 0px !important;
text-decoration: underline; background: transparent;"><span
class="tocnumber">6</span><span
class="Apple-converted-space"> </span><span
class="toctext">Physics Goals</span></a></li>
<li class="toclevel-1 tocsection-7"><a
href="https://halldweb.jlab.org/wiki-private/index.php?title=Hall_D_Staff_Meeting,_January_11,_2016&printable=yes#DAQ"
style="color: rgb(85, 34, 0); padding: 0px !important;
text-decoration: underline; background: transparent;"><span
class="tocnumber">7</span><span
class="Apple-converted-space"> </span><span
class="toctext">DAQ</span></a></li>
<li class="toclevel-1 tocsection-8"><a
href="https://halldweb.jlab.org/wiki-private/index.php?title=Hall_D_Staff_Meeting,_January_11,_2016&printable=yes#Post_Doc"
style="color: rgb(85, 34, 0); padding: 0px !important;
text-decoration: underline; background: transparent;"><span
class="tocnumber">8</span><span
class="Apple-converted-space"> </span><span
class="toctext">Post Doc</span></a></li>
</ul>
</div>
<h2 style="page-break-after: avoid; font-weight: bold;"><span
class="mw-headline" id="Announcements.2C_Eugene">Announcements,
Eugene</span></h2>
<ul style="list-style-type: square;">
<li>1.5 M$ shortfall this year for Lab, will not come out of
running time</li>
<li>Ed Folts is the new Physics Safety Officer, welcome to
the Hall D meeting Ed!
<ul style="list-style-type: square;">
<li>TOSPs and OSP, past and future should go to Ed</li>
</ul>
</li>
<li>budget for MIE (capital projects) has limit for new
projects increased from 2 M$ to 5 M$, does not affect DIRC
<ul style="list-style-type: square;">
<li>DIRC budget starts this month</li>
</ul>
</li>
<li>delay with magnet
<ul style="list-style-type: square;">
<li>water contamination in turbines of compressor[?]</li>
<li>will take 7-8 days to warm and clean, then 3 weeks
of cool-down</li>
<li>magnet will not be ready at beginning of run</li>
</ul>
</li>
</ul>
<h2 style="page-break-after: avoid; font-weight: bold;"><span
class="mw-headline"
id="Run_Preparation_Meeting.2C_Alexandre">Run Preparation
Meeting, Alexandre</span></h2>
<ul style="list-style-type: square;">
<li>scheduled to run from Feb. 4 through April 13</li>
<li>will meet on Wed. at 9 am
<ul style="list-style-type: square;">
<li>wiki page set up in placeholder form
<ul style="list-style-type: square;">
<li>summary of last time</li>
<li>future goals</li>
</ul>
</li>
</ul>
</li>
<li>Alexandre will be RC until mid-March</li>
</ul>
<h2 style="page-break-after: avoid; font-weight: bold;"><span
class="mw-headline" id="Calorimeters.2C_Elton">Calorimeters,
Elton</span></h2>
<ul style="list-style-type: square;">
<li>BCAL in reasonable shape
<ul style="list-style-type: square;">
<li>will run at 5 degrees, down from 10 degrees</li>
<li>calibration: pi^0 widths comparable to previous run</li>
<li>one discriminator failed</li>
<li>LED pulser trigger through TS: need to develop
analyzer[?]</li>
</ul>
</li>
<li>FCAL
<ul style="list-style-type: square;">
<li>PMT problems (bases)</li>
<li>90 replaced, ran with 10 problem PMTs</li>
<li>some run hot, not failing but not at optimal voltage</li>
<li>lots of spare dividers on hand</li>
<li>bad ones sent back to Indiana, Paul Smith fixing
them</li>
<li>HV was adjusted based on Spring data</li>
<li>pi^0 widths broad still</li>
</ul>
</li>
</ul>
<h2 style="page-break-after: avoid; font-weight: bold;"><span
class="mw-headline" id="Chambers.2C_Beni">Chambers, Beni</span></h2>
<ul style="list-style-type: square;">
<li>generally OK</li>
<li>systems turned on</li>
<li>chiller: coolant filled, working</li>
</ul>
<h2 style="page-break-after: avoid; font-weight: bold;"><span
class="mw-headline" id="Controls.2C_Hovanes">Controls,
Hovanes</span></h2>
<ul style="list-style-type: square;">
<li>preparing for next run</li>
<li>goniometer: will meet with Ken Livingston
<ul style="list-style-type: square;">
<li>12 GeV this time, different from last time</li>
<li>want coherent edge at higher fraction of electron
beam energy</li>
<li>signal at pair spectrometer (PS) after collimation
not subject to overlapping peaks</li>
<li>will start with 50 micron diamond, 5 mm collimator</li>
<li>Ken will be here for a few weeks</li>
</ul>
</li>
</ul>
<h2 style="page-break-after: avoid; font-weight: bold;"><span
class="mw-headline" id="Physics_Goals">Physics Goals</span></h2>
<ul style="list-style-type: square;">
<li>Paul and Justin:
<ul style="list-style-type: square;">
<li>want as much time with diamond as possible for
asymmetries</li>
<li>want parallel and perpendicular polarization</li>
</ul>
</li>
<li>Eugene: need to measure beam flux, at least roughly
<ul style="list-style-type: square;">
<li>Sascha will look at PS normalization</li>
<li>TAC may be useful</li>
<li>Sascha: may change converter to get on of well-known
thickness</li>
</ul>
</li>
</ul>
<h2 style="page-break-after: avoid; font-weight: bold;"><span
class="mw-headline" id="DAQ">DAQ</span></h2>
<ul style="list-style-type: square;">
<li>Sergey: new CODA 3.05 working now, can get 40 MHz</li>
<li>Sascha on firmware:
<ul style="list-style-type: square;">
<li>Ed Jastrzembski found minor problem in F250
firmware, he will produce a new version</li>
<li>F1TDC has new version of firmware available for low
resolution</li>
</ul>
</li>
<li>polarimeter
<ul style="list-style-type: square;">
<li>Sascha found bad board, FADC in slot 4</li>
<li>Beni: electronics redesigned by Fernando</li>
</ul>
</li>
</ul>
<h2 style="page-break-after: avoid; font-weight: bold;"><span
class="mw-headline" id="Post_Doc">Post Doc</span></h2>
<ul style="list-style-type: square;">
<li>offer out</li>
</ul>
</div>
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