https://halldweb.jlab.org/wiki/index.php?title=CPP_Beam_Test_Feb._2019&feed=atom&action=history
CPP Beam Test Feb. 2019 - Revision history
2024-03-28T21:17:37Z
Revision history for this page on the wiki
MediaWiki 1.24.1
https://halldweb.jlab.org/wiki/index.php?title=CPP_Beam_Test_Feb._2019&diff=92438&oldid=prev
Davidl at 15:16, 25 April 2019
2019-04-25T15:16:21Z
<p></p>
<table class='diff diff-contentalign-left'>
<col class='diff-marker' />
<col class='diff-content' />
<col class='diff-marker' />
<col class='diff-content' />
<tr style='vertical-align: top;'>
<td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 15:16, 25 April 2019</td>
</tr><tr><td colspan="2" class="diff-lineno">Line 15:</td>
<td colspan="2" class="diff-lineno">Line 15:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>** The thickness of Al is 2x1.6 mm = 3.2 mm (0.04 rad len)</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>** The thickness of Al is 2x1.6 mm = 3.2 mm (0.04 rad len)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>** Total radiation lengths is 0.86 +/- 0.02 radiation lenghts per sheet.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>** Total radiation lengths is 0.86 +/- 0.02 radiation lenghts per sheet.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* Sheets should be 60cm x 60cm with a 12cm x 12cm beam hole (this was the request. I couldn't find a final number)</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td></tr>
</table>
Davidl
https://halldweb.jlab.org/wiki/index.php?title=CPP_Beam_Test_Feb._2019&diff=92432&oldid=prev
Davidl at 20:25, 24 April 2019
2019-04-24T20:25:50Z
<p></p>
<table class='diff diff-contentalign-left'>
<col class='diff-marker' />
<col class='diff-content' />
<col class='diff-marker' />
<col class='diff-content' />
<tr style='vertical-align: top;'>
<td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 20:25, 24 April 2019</td>
</tr><tr><td colspan="2" class="diff-lineno">Line 8:</td>
<td colspan="2" class="diff-lineno">Line 8:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Runs: 60897-60916</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Runs: 60897-60916</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Radiator: JD70-105 47um PERP</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Radiator: JD70-105 47um PERP</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* TOF/FCAL position: "Current location plus 48" in Z (plus or minus an inch or two)" -- from Tim W. e-mail to Elton on 3/26/2019</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* Shielding (from [https://logbooks.jlab.org/entry/3656916 log entry 3656916])</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** We have used two sheets of shielding.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** Each sheet consists of 2 sheets of Pb sandwiched between two layers of Al.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** The thickness of Pb is 4.5-4.6 mm (0.80-0.84 rad len)</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** The thickness of Al is 2x1.6 mm = 3.2 mm (0.04 rad len)</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** Total radiation lengths is 0.86 +/- 0.02 radiation lenghts per sheet.</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td></tr>
</table>
Davidl
https://halldweb.jlab.org/wiki/index.php?title=CPP_Beam_Test_Feb._2019&diff=92430&oldid=prev
Davidl: Created page with " =Beam test to measure effect of shielding near beamline on TOF trigger rates= * Feb. 20-21, 2019 * [https://logbooks.jlab.org/entries?start_date=2019-02-20%2013%3A00&end_d..."
2019-04-24T20:14:09Z
<p>Created page with " =Beam test to measure effect of shielding near beamline on TOF trigger rates= * Feb. 20-21, 2019 * [https://logbooks.jlab.org/entries?start_date=2019-02-20%2013%3A00&end_d..."</p>
<p><b>New page</b></p><div><br />
=Beam test to measure effect of shielding near beamline on TOF trigger rates=<br />
<br />
<br />
<br />
* Feb. 20-21, 2019<br />
* [https://logbooks.jlab.org/entries?start_date=2019-02-20%2013%3A00&end_date=2019-02-21%2006%3A00&logbooks%5B0%5D=13&search_str=&group_by=SHIFT&listing_format=table&entries_per_page=100&form_build_id=form-UabDFRNige3mCVIBOqIU_FRnPi-7-S2Z9Zw4BbxsNg4&form_token=FM_ETIuwYR_qvG3-L4Wm9025ek-aVWqFv-gWqXMaH3Q&form_id=elog_form_advanced_filters&op=Submit Log entries]<br />
* Runs: 60897-60916<br />
* Radiator: JD70-105 47um PERP<br />
<br />
<pre><br />
List of runs<br />
============================<br />
Run 60897: CPP test, no shield, 100 nA<br />
Run 60898: CPP test, no shield, 30 nA<br />
Run 60899: CPP test, 1 sheet, 50 nA<br />
Run 60900: CPP test, 1 sheet, 50 nA<br />
Run 60901: CPP test, 1 sheet, 70 nA<br />
Run 60902: CPP test, 1 sheet, 100 nA<br />
Run 60903: CPP test, 1 sheet, 30 nA<br />
Run 60904: CPP test, 2 sheets, 30 nA<br />
Run 60905: CPP test, 2 sheets, 70 nA<br />
Run 60906: CPP test, 2 sheets, 100 nA<br />
Run 60907: CPP test, 2 sheets, 50 nA<br />
Run 60908: CPP test, 2 sheets, empty target, 30 nA<br />
Run 60909: CPP test, 2 sheets, empty target 50 nA<br />
Run 60910: CPP test, 2 sheets, empty target, 70 nA<br />
Run 60911: CPP test, 2 sheets, empty target, 100 nA<br />
Run 60912: CPP test, no shield, 100nA, Target: Empty<br />
Run 60913: CPP test, no shield, 30nA, Target: Empty<br />
Run 60914: CPP test, no shield, 50nA, Target: Empty<br />
Run 60915: CPP test, no shield, 70nA, Target: Empty<br />
Run 60916: CPP test, no shield, 50nA, Target: Empty<br />
</pre></div>
Davidl