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<a class="moz-txt-link-freetext" href="https://halldweb.jlab.org/wiki-private/index.php/Hall_D_Staff_Meeting,_June_13,_2016">https://halldweb.jlab.org/wiki-private/index.php/Hall_D_Staff_Meeting,_June_13,_2016</a><br>
<br>
<div id="content" class="mw-body" role="main"> <br>
Folks,<br>
<br>
Please find the notes below an at <a class="moz-txt-link-freetext" href="https://goo.gl/cRxhi7">https://goo.gl/cRxhi7</a> .<br>
<br>
- Mark<br>
____________<br>
<h1 id="firstHeading" class="firstHeading" lang="en"><span
dir="auto">Hall D Staff Meeting, June 13, 2016</span></h1>
<div id="bodyContent" class="mw-body-content">
<div id="siteSub">From Gluex PRIVATE Wiki</div>
<div id="mw-content-text" dir="ltr" class="mw-content-ltr"
lang="en">
<p>Present: Alexander Austregesilo, Eugene Chudakov, Mark
Dalton, Hovanes Egiyan, Sergey Furletov, Mark Ito, David
Lawrence, Paul Mattione, Sascha Somov, Simon Taylor, Tim
Whitlatch
</p>
<div id="toc" class="toc"><br>
</div>
<h2><span class="mw-headline" id="Announcements.2C_Eugene">Announcements,
Eugene</span></h2>
<ul>
<li> PAC tally: 9 new proposals, 3 conditionally approved, 8
letters of intent
<ul>
<li> will not need LOI for lepto-phobic B bosons</li>
</ul>
</li>
<li> StayTreat: registration deadline is Wednesday</li>
<li> Mike Pennington is retiring, Celebration June 22 or 23</li>
<li> Next NSAC meeting is end of June</li>
<li> LDRD review at end of June</li>
</ul>
<h2><span class="mw-headline" id="Engineering.2C_Tim">Engineering,
Tim</span></h2>
<ul>
<li> Magnet
<ul>
<li> re-doing power supply, dump transistors, 44 banks
of them, show discoloration, being replaced
<ul>
<li> Danfysik issue bulletin on the issue</li>
</ul>
</li>
<li> magnet still cold</li>
</ul>
</li>
<li> HDList items that came through recently due to mass
closing out of past issues</li>
<li> Nitrogen in vacuum vessel
<ul>
<li> Could freeze out on helium surfaces. George
estimates that it is not a problem unless localized</li>
</ul>
</li>
</ul>
<ul>
<li> Foreign object screen install downstream, one for
upstream coming</li>
</ul>
<h2><span class="mw-headline" id="David">David</span></h2>
<ul>
<li> Online computers
<ul>
<li> gluon43 went down, new motherboard did not fix it,
Paul Letta working on it</li>
<li> after kernel upgrade gluon40 stuck in BIOS after
power on</li>
<li> Gluon49 went down for unknown reasons on Friday</li>
</ul>
</li>
<li> will buy spare EMU node, network switch</li>
<li> regular meeting on level 3 have started
<ul>
<li> Adesh working on simulations including lower part
photon energy spectrum</li>
<li> profiling front end, strange drop from 12 to 8 kHz</li>
<li> will work on real data tests as well</li>
<li> BDT work was now done 3 years ago</li>
</ul>
</li>
<li> CPP
<ul>
<li> CPPsim work</li>
<li> hope to involve new post-doc</li>
<li> full-scale prototype muon chamber coming</li>
</ul>
</li>
</ul>
<h2><span class="mw-headline" id="Simon">Simon</span></h2>
<ul>
<li> geometry
<ul>
<li> add 5.5 mm offset of CDC</li>
<li> other changes added</li>
</ul>
</li>
<li> looking at REST V5 files
<ul>
<li> 2 channels for several particles</li>
<li> studying efficiencies</li>
</ul>
</li>
</ul>
<h2><span class="mw-headline" id="Alexander_A.">Alexander A.</span></h2>
<ul>
<li> work on plugin for FDC, plots to show at future
meetings</li>
<li> working on REST production framework</li>
<li> looking at target excitations; see Delta++ signal</li>
</ul>
<h2><span class="mw-headline" id="Sergey">Sergey</span></h2>
<ul>
<li> New CODA: 3.06</li>
<li> AMD special computers still needed? Needs
discussion/study</li>
</ul>
<h2><span class="mw-headline" id="Sascha">Sascha</span></h2>
<ul>
<li> New F250 firmware
<ul>
<li> had threshold problem</li>
<li> new version needed</li>
<li> still doing tests</li>
</ul>
</li>
<li> Ben has new CTP, GTP firmware ready</li>
<li> backplane changed on crate</li>
<li> looking at simulations for trigger studies, using RCDB
C++ API from Dmitry Romanov</li>
<li> data quality:
<ul>
<li> trouble reproducing mode 7 data, threshold not
correct, integral can be negative</li>
<li> introduce mask of bad channels</li>
</ul>
</li>
<li> PS reconstruction</li>
<li> Students from UNCW
<ul>
<li> with spare PMTs and LED in filed, testing wrapping
configurations</li>
<li> waiting for Helmholtz coil hook-up</li>
</ul>
</li>
<li> looking at island algorithm from PrimEx</li>
<li> looking at the nuclear target physics program</li>
</ul>
<h2><span class="mw-headline" id="Mark_D.">Mark D.</span></h2>
<ul>
<li> with Will McGinley, BCAL clustering, with George
Vasileidis, BCAL timing (latter project being transferred
to Regina)</li>
<li> BCAL efficiency study being planned</li>
<li> working on Bethe-Heitler simulation for letter of
intent</li>
</ul>
<h2><span class="mw-headline" id="Mark_I.">Mark I.</span></h2>
<ul>
<li> changing scripts, builds, tests to accommodate new
compiler version</li>
<li> working on NERSC for GlueX Simulation, feasibility
study</li>
<li> dealing with issues with write-through cache with
SciComp</li>
</ul>
<h2><span class="mw-headline" id="Paul">Paul</span></h2>
<ul>
<li> Physics Workshop[ big success, there is a <a
rel="nofollow" class="external text"
href="https://goo.gl/gWcZq4">YouTube channel</a> with
the talks.</li>
<li> reconstruction launch started 1 pm on Wed.
<ul>
<li> thanks to Sean Dobbs, Justin Stevens, and Alexander
for work done</li>
<li> 6500 jobs, almost done, perhaps by Tue. afternoon</li>
<li> 3 crashes so far from 5000 jobs</li>
<li> launch scripts largely re-written</li>
<li> use access to EVIO files to do low-level efficiency
studies
<ul>
<li> CDC, FDC, BCAL plugins written by Paul</li>
<li> produces trees to analyze</li>
</ul>
</li>
</ul>
</li>
</ul>
<h2><span class="mw-headline" id="Hovanes">Hovanes</span></h2>
<ul>
<li> coherent beam profile at collimator:
<ul>
<li> MCD program used in Mainz article</li>
<li> modified for GlueX kinematics</li>
<li> PERP/PARA confusion, will talk to expert visiting
Lab next week</li>
<li> will compare with data from scan taken during run</li>
</ul>
</li>
</ul>
<h2><span class="mw-headline" id="Vanik">Vanik</span></h2>
<ul>
<li> with Hovanes, motion of microscope support
<ul>
<li> do it in EPICS</li>
</ul>
</li>
<li> calibration of goniometer switches, can use as back-up
reference if other switch goes bad</li>
<li> replacing switches
<ul>
<li> goni: no need, problem was glitch on controller</li>
<li> collimator: new ones in hand now</li>
</ul>
</li>
</ul>
<h2><span class="mw-headline" id="Personnel.2C_Eugene">Personnel,
Eugene</span></h2>
<p>2 position open
</p>
<ul>
<li> post-doc
<ul>
<li> first batch of applications in</li>
<li> interviews will start soon</li>
</ul>
</li>
<li> staff position
<ul>
<li> 3 applications received by HR</li>
</ul>
</li>
</ul>
</div>
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<pre class="moz-signature" cols="72">--
<a class="moz-txt-link-abbreviated" href="mailto:marki@jlab.org">marki@jlab.org</a>, (757)269-5295
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