76921
Conferences
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CERN
sylvia.dubourg@cern.ch
6904
sylvia.dubourg@cern.ch
LHC beam commissioning workshop - Evian 19-20 January 2010
<body>
<div class="style2">
<pre class="style3">The <strong>LHC beam commissioning workshop </strong>will be held on 19 and 20 January 2010 in the Palais Lumière in EVIAN (74), France.
<span class="style4"><em>Attendance is by invitation only.</em></span></pre></div>
<hr />
<pre class="style1"><span class="style5">The goal of this workshop is to review the 2009 LHC beam commissioning and beam operations experience, and to look forward to the continued commissioning and operation of the LHC with beam in 2010.
Beam related experiences from injection to stable beams will be discussed. Issues addressed will cover the measurements and observations versus expectations; problems encountered; the performance of software and controls; and necessary improvements. The readiness for 3.5TeV running will also be covered. As an outcome, the workshop will propose a 2010 beam re-commissioning plan for 3.5 TeV operation. This plan will address the strategies for increasing the beam energy, intensity and specific and integrated luminosity to the targets required for 2010.
</span>
<hr />
</pre><table style="width: 50%; height: 50px">
<tr>
<td class="style6"><strong>Chairman</strong></td>
<td class="style6">Mike LAMONT</td>
</tr>
<tr>
<td class="style6"><strong>Deputy Chairman</strong></td>
<td class="style6">Malika MEDDAHI</td>
</tr>
<tr>
<td class="style6"><strong>Workshop Secretariat</strong></td>
<td class="style6">Sylvia DUBOURG</td>
</tr>
</table>
</body>
False
Hilton and Palais Lumière (EVIAN)
2010-01-19T09:00:00
2010-01-20T16:00:00
2009-12-15T10:46:08
2011-09-13T21:02:33
Europe/Zurich
7
false
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Collimators and beam cleaning: first results and future plans
Ecole Polytechnique Federale Lausanne (EPFL)
chiara.bracco@cern.ch
Ecole Polytechnique Federale Lausanne (EPFL)
chiara.bracco@cern.ch
Hilton and Palais Lumière (EVIAN)
2010-01-20T09:15:00
2010-01-20T09:35:00
00:20
The LHC collimation system has been used for beam cleaning and passive machine protection this year for the first time. The hardware commissioning tests carried out in preparation for operations with beam are presented. Setup procedure towards nominal injection settings is analyzed together with reproducibility and total beam time spent for collimator setup. Locations of beam losses are reviewed and reasons for the highest losses investigated. The achieved cleaning efficiency is also discussed. Operational performance and stability of the system, interlock thresholds and interlock statistics (number of false interlocks generated) are treated. Software procedures, settings and threshold limits are analyzed, also in view of machine protection. Finally, plans for higher intensity operation and improvements (both on a short and long term) are presented.
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2013-06-20
2013-06-21