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Preparing for the Spring 2015 run, the set of prioritized beam study
campaigns is presented below. Priority is based on preparing
for a 12GeV run in the fall, improved CEBAF uptime and IPAC2015.<br>
<br>
I've assigned names. If you have been assigned a measurement,
please start developing ATLis's for the measurement in question and
submit them so that these tasks can be scheduled. Most of these
measurements (tasks 1,2,3) can be made with tune-mode beam and
should be completed before we transition to 750MHz separation (the
first two weeks of beam operation).<br>
<br>
<b>All measurements shall be reported with error bars representing
the best estimate for a one sigma error.</b><br>
<br>
Arne<br>
<div id="outline-container-sec-1" class="outline-2">
<h2 id="sec-1"><span class="section-number-2">1</span> Spring 2015
Beam Studies Campaigns<span class="tag"><span class="OPS"></span></span></h2>
<div class="outline-text-2" id="text-1">
<p>
<span class="timestamp-wrapper"><span class="timestamp"><2015-02-05
Thu 07:22></span></span>
</p>
</div>
<div id="outline-container-sec-1-1" class="outline-3">
<h3 id="sec-1-1"><span class="section-number-3">1.1</span> Beam
transverse emittance evolution</h3>
<div class="outline-text-3" id="text-1-1">
<dl class="org-dl">
<dt> Who </dt>
<dd>Todd, Roblin, Grames, Kazimi, Tief
</dd>
</dl>
</div>
<ol class="org-ol">
<li>10.5 GeV setup<br>
<div class="outline-text-4" id="text-1-1-1">
<table rules="groups" frame="hsides" border="2"
cellpadding="6" cellspacing="0">
<colgroup>
<col class="left">
<col class="left">
<col class="left">
<col class="left">
<col class="left">
<col class="left">
<col class="left">
<col class="left">
<col class="left">
<col class="left">
</colgroup>
<thead>
<tr>
<th scope="col" class="left">Location</th>
<th scope="col" class="left"> </th>
<th scope="col" class="left">ε_x</th>
<th scope="col" class="left">ε_y</th>
<th scope="col" class="left">β_x</th>
<th scope="col" class="left">β_y</th>
<th scope="col" class="left">α_x</th>
<th scope="col" class="left">α_y</th>
<th scope="col" class="left">MSL</th>
<th scope="col" class="left">elogs</th>
</tr>
</thead>
<tbody>
<tr>
<td class="left">5Mev</td>
<td class="left">Design</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Must</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Grames</td>
<td class="left">Measured</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
</tbody>
<tbody>
<tr>
<td class="left">End of Injector</td>
<td class="left">Design</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Must</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Kazimi</td>
<td class="left">Measured</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
</tbody>
<tbody>
<tr>
<td class="left">1E or 2E</td>
<td class="left">Design</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Should</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Tief</td>
<td class="left">Measured</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
</tbody>
<tbody>
<tr>
<td class="left">Hall-B 1-pass</td>
<td class="left">Design</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Must</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Tief</td>
<td class="left">Measured</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
</tbody>
<tbody>
<tr>
<td class="left">3E or 4E</td>
<td class="left">Design</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Must</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Todd</td>
<td class="left">Measured</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
</tbody>
<tbody>
<tr>
<td class="left">5E or 6E</td>
<td class="left">Design</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Should</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Todd</td>
<td class="left">Measured</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
</tbody>
<tbody>
<tr>
<td class="left">7E</td>
<td class="left">Design</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Must</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Yves</td>
<td class="left">Measured</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
</tbody>
<tbody>
<tr>
<td class="left">9E</td>
<td class="left">Design</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Must</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Todd</td>
<td class="left">Measured</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
</tbody>
<tbody>
<tr>
<td class="left">Hall-A 5-pass</td>
<td class="left">Design</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Must</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Yves</td>
<td class="left">Measured</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
</tbody>
<tbody>
<tr>
<td class="left">Hall-D</td>
<td class="left">Design</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Must</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Todd</td>
<td class="left">Measured</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
</tbody>
</table>
</div>
</li>
</ol>
</div>
<div id="outline-container-sec-1-2" class="outline-3">
<h3 id="sec-1-2"><span class="section-number-3">1.2</span> Beam
longitudinal evolution</h3>
<div class="outline-text-3" id="text-1-2">
</div>
<ol class="org-ol">
<li>Bunch length<br>
<ol class="org-ol">
<li>Phasing Techniques<br>
<div class="outline-text-5" id="text-1-2-1-1">
<dl class="org-dl">
<dt> Who </dt>
<dd>Poelker, Ahmad, Tief
</dd>
</dl>
</div>
<ol class="org-ol">
<li>No Compression<br>
<div class="outline-text-6" id="text-1-2-1-1-1">
<p>
All locations are at Must level
</p>
<table rules="groups" frame="hsides" border="2"
cellpadding="6" cellspacing="0">
<colgroup>
<col class="left">
<col class="left">
<col class="left">
<col class="left">
<col class="left">
<col class="left">
</colgroup>
<thead>
<tr>
<th scope="col" class="left">Location</th>
<th scope="col" class="left">Who</th>
<th scope="col" class="left">Measured</th>
<th scope="col" class="left">Design</th>
<th scope="col" class="left">technique</th>
<th scope="col" class="left">elogs</th>
</tr>
<tr>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="left">σ_l</th>
<th scope="col" class="left">σ_l</th>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
</tr>
</thead>
<tbody>
<tr>
<td class="left">kev</td>
<td class="left">Poelker</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Chopper scan</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">5MeV</td>
<td class="left">Ahmad</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Back phasing into
spectrometer</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Inj. Chicane</td>
<td class="left">Ahmad</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Inj. SLM</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Arc1</td>
<td class="left">Ahmad</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Arc1 SLM</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Arc2</td>
<td class="left">Ahmad</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Arc2 SLM</td>
<td class="left"> </td>
</tr>
</tbody>
</table>
</div>
</li>
<li>Optimized Compression<br>
<div class="outline-text-6" id="text-1-2-1-1-2">
<p>
All locations are at Must level
</p>
<table rules="groups" frame="hsides" border="2"
cellpadding="6" cellspacing="0">
<colgroup>
<col class="left">
<col class="left">
<col class="left">
<col class="left">
<col class="left">
<col class="left">
</colgroup>
<thead>
<tr>
<th scope="col" class="left">Location</th>
<th scope="col" class="left">Who</th>
<th scope="col" class="left">Measured</th>
<th scope="col" class="left">Design</th>
<th scope="col" class="left">technique</th>
<th scope="col" class="left">elogs</th>
</tr>
<tr>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="left">σ_l</th>
<th scope="col" class="left">σ_l</th>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
</tr>
</thead>
<tbody>
<tr>
<td class="left">kev</td>
<td class="left">Poelker</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Chopper Scan</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">5MeV</td>
<td class="left">Ahmad</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Back phasing into
spectrometer</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Inj. Chicane</td>
<td class="left">Ahmad</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Inj. SLM</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Arc1</td>
<td class="left">Ahmad</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Arc1 SLM</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Arc2</td>
<td class="left">Ahmad</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Arc2 SLM</td>
<td class="left"> </td>
</tr>
</tbody>
</table>
</div>
</li>
</ol>
</li>
<li>Real Time Interferometer<br>
<div class="outline-text-5" id="text-1-2-1-2">
<dl class="org-dl">
<dt> Who </dt>
<dd>Ahmad, Gubeli, Krafft, Freyberger
</dd>
<dt> (no term) </dt>
<dd>Determine if this device is viable or not.
</dd>
<dt> (no term) </dt>
<dd>High current to BSY dump on first pass.
</dd>
<dt> (no term) </dt>
<dd>Scan, integrate, try everything. </dd>
<dt> (no term) </dt>
<dd>Draw conclusion about why it
does or does not work.
</dd>
</dl>
</div>
</li>
</ol>
</li>
<li>Energy Spread<br>
<div class="outline-text-4" id="text-1-2-2">
<dl class="org-dl">
<dt> Who </dt>
<dd>Poelker, Grames, Kazimi, Freyberger
</dd>
</dl>
<table rules="groups" frame="hsides" border="2"
cellpadding="6" cellspacing="0">
<colgroup>
<col class="left">
<col class="left">
<col class="left">
<col class="left">
<col class="left">
<col class="left">
<col class="left">
<col class="left">
</colgroup>
<thead>
<tr>
<th scope="col" class="left">Location</th>
<th scope="col" class="left">Who</th>
<th scope="col" class="left">Measured</th>
<th scope="col" class="left">Design</th>
<th scope="col" class="left">Measured</th>
<th scope="col" class="left">Design</th>
<th scope="col" class="left">technique</th>
<th scope="col" class="left">elogs</th>
</tr>
<tr>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="left">\frac{dp}{p}</th>
<th scope="col" class="left">\frac{dp}{p}</th>
<th scope="col" class="left">σ_E</th>
<th scope="col" class="left">σ_E</th>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
</tr>
</thead>
<tbody>
<tr>
<td class="left">kev</td>
<td class="left">Poelker</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">5MeV</td>
<td class="left">Grames</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">5MeV spec</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">107MeV</td>
<td class="left">Kazimi</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Inj. Spec.</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Inj. Chicane</td>
<td class="left">Freyberger</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">INJ SLM</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Arc1</td>
<td class="left">Freyberger</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Arc1 SLM</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Arc2</td>
<td class="left">Freyberger</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">Arc2 SLM</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Hall-A (5-pass)</td>
<td class="left">Freyberger</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left">IHA1C12</td>
<td class="left"> </td>
</tr>
</tbody>
</table>
</div>
</li>
</ol>
</div>
<div id="outline-container-sec-1-3" class="outline-3">
<h3 id="sec-1-3"><span class="section-number-3">1.3</span> Beam
based data for model development</h3>
<div class="outline-text-3" id="text-1-3">
<dl class="org-dl">
<dt> Who </dt>
<dd>Yves, Todd and model team
</dd>
<dt> (no term) </dt>
<dd>collect LOCO/ray-trace in all the S/Arc/R sections for
determination of body gradients and other model
information
</dd>
</dl>
<table rules="groups" frame="hsides" border="2"
cellpadding="6" cellspacing="0">
<colgroup>
<col class="left">
<col class="left">
<col class="left">
<col class="left">
<col class="left">
</colgroup>
<thead>
<tr>
<th scope="col" class="left">Location</th>
<th scope="col" class="left">Data collected</th>
<th scope="col" class="left">Body gradients</th>
<th scope="col" class="left">Comment</th>
<th scope="col" class="left">elogs</th>
</tr>
</thead>
<tbody>
<tr>
<td class="left">Arc1</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Arc2</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Arc3</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Arc4</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Arc5</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Arc6</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Arc7</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Arc8</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">Arc9</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">ArcA</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">1C</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">2C</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">5C</td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
<td class="left"> </td>
</tr>
</tbody>
</table>
</div>
</div>
<div id="outline-container-sec-1-4" class="outline-3">
<h3 id="sec-1-4"><span class="section-number-3">1.4</span> Push
CW current to ASE limit in Hall-A</h3>
<div class="outline-text-3" id="text-1-4">
<dl class="org-dl">
<dt> Who </dt>
<dd>Yves, Spata
</dd>
<dt> (no term) </dt>
<dd>Probe 5-pass setup to its limits.
</dd>
<dt> (no term) </dt>
<dd>Document limitations
</dd>
<dt> (no term) </dt>
<dd>Identify corrective actions that need to be applied
during the
Summer2015 SAD.
</dd>
</dl>
</div>
</div>
<div id="outline-container-sec-1-5" class="outline-3">
<h3 id="sec-1-5"><span class="section-number-3">1.5</span>
Reproducible CEBAF</h3>
<div class="outline-text-3" id="text-1-5">
<dl class="org-dl">
<dt> Who </dt>
<dd>TBD
</dd>
<dt> (no term) </dt>
<dd>Cycle Mag/RF does beam reproduce? If not, why not?
</dd>
<dt> (no term) </dt>
<dd>Some of this data will be gather parasitically with
unplanned
accesses
</dd>
</dl>
</div>
</div>
<div id="outline-container-sec-1-6" class="outline-3">
<h3 id="sec-1-6"><span class="section-number-3">1.6</span>
Scalable CEBAF</h3>
<div class="outline-text-3" id="text-1-6">
<dl class="org-dl">
<dt> Who </dt>
<dd>Yves
</dd>
<dt> (no term) </dt>
<dd>What are the model vs design trends as a function of
time and
CEBAF energy for the CEBAF setup.
</dd>
</dl>
</div>
</div>
</div>
<br>
<pre class="moz-signature" cols="72">--
Arne Freyberger
Director of Accelerator Operations
Jefferson Lab
12000 Jefferson Avenue Cell: (757) 876-6289
Postal Suite 19 Email: <a class="moz-txt-link-abbreviated" href="mailto:freyberg@jlab.org">freyberg@jlab.org</a>
Newport News, VA 23606 </pre>
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