[Hallc_running] [New Logentry] RC: Daily update
mdiefent at jlab.org
mdiefent at jlab.org
Sat Dec 15 14:15:02 EST 2018
Logentry Text:
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<div style="margin-top: 0.4em; margin-bottom: 0.8em; padding: 0px; caret-color: #313131; color: #313131; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 14px;"><span style="font-weight: bold;"><span style="font-family: Helvetica; font-size: 12px;">Update on day and swing shift of December 14 and owl shift of December 15</span></span><br style="font-family: Helvetica; font-size: 12px;"><br style="font-family: Helvetica; font-size: 12px;"><span style="font-family: Helvetica; font-size: 12px;"><span style="font-weight: bold;">CEBAF status</span>:</span><span style="font-family: Helvetica; font-size: 12px;"> </span></div><ul style="font-family: Helvetica; font-size: 12px; margin: 0px 0px 1.5em 30px; padding: 0px;"><li><span style="caret-color: #313131; color: #313131;">Received 7.4 hours of beam during the day shift (</span><span style="color: #313131;"><a href="https://logbooks.jlab.org/entry/3638852">https://logbooks.jlab.org/entry/3638852</
a>). 2.9 hours of beam time was used for the energy measurement. </span></li><li><span style="caret-color: #313131; color: #313131;">Received 7.3 hours of beam during the swing shift (</span><span style="color: #0000ee;"><span style="caret-color: #313131;"><a href="https://logbooks.jlab.org/entry/3638967">https://logbooks.jlab.org/entry/3638967</a>).</span></span></li><li><span style="caret-color: #313131; color: #313131;">Received 7.2 hours of beam during the owl shift (</span><span style="color: #313131;"><a href="https://logbooks.jlab.org/entry/3639064">https://logbooks.jlab.org/entry/3639064</a>). </span></li></ul><div style="margin-top: 0.4em; margin-bottom: 0.8em; padding: 0px; caret-color: #313131; color: #313131; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 14px;"><span style="font-weight: bold; font-family: Helvetica; font-size: 12px;">Hall C status</span><span style="font-family: Helvetica; font-size: 12px;">: </spa
n></div><div style="font-family: Helvetica; !
font-size: 12px; caret-color: #313131; color: #313131;"><ul style="margin: 0px 0px 1.5em 30px; padding: 0px;"><li>Three-pass beam with an energy of 4.933 GeV is delivered to Hall C. </li><li>Hall C is setup for the Kaon LT experiment (E12-09-011). The experiments aims for the first precision measurements of L/T separated kaon electroproduction cross sections above the resonance region. Details on the Kaon LT experiment can be found on: <a style="text-decoration: none; color: #0000ee;" href="https://redmine.jlab.org/projects/kltexp/wiki">https://redmine.jlab.org/projects/kltexp/wiki</a></li><li>On Monday, December 17, we will change during a control access the SHMS angle to an angle of 6.00 degree. </li></ul></div><div style="margin-top: 0.4em; margin-bottom: 0.8em; padding: 0px; caret-color: #313131; color: #313131; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 14px;"><span style="font-family: Helvetica; font-size: 1
2px;"><span style="font-weight: bold;">Data taking</span>:</span><span style="font-family: Helvetica; font-size: 12px;"> </span></div><div style="font-family: Helvetica; font-size: 12px;"><ul style="margin: 0px 0px 1.5em 30px; padding: 0px;"><li style="caret-color: #313131; color: #313131;">The detailed run plan is available on: <a style="text-decoration: none; color: #0000ee;" href="https://redmine.jlab.org/attachments/download/590/runplan_4p9gev.pdf">https://redmine.jlab.org/attachments/download/590/runplan_4p9gev.pdf</a></li><li style="caret-color: #313131; color: #313131;">We have done the harp scan: <a style="text-decoration: none; color: #0000ee;" href="https://logbooks.jlab.org/entry/3638031%C2%A0">https://logbooks.jlab.org/entry/3638031 </a>(see also 3638030 and the work documented in entries 3638025 and 638027)</li><li><span style="color: #313131;">We have completed the energy measurement during the day shift of December 14: </span><span style="colo
r: #313131;">https://logbooks.jlab.org/entry!
/3638789&!
nbsp;(and </span><span style="color: #313131;">3638787 for details on beam size). The beam energy is </span><span style="color: #313131;">4.9320 +/- </span><span style="caret-color: #313131; color: #313131;">0.0026 GeV. </span></li><li style="caret-color: #313131; color: #313131;">We have taken the data for the calibration runs: Holly has done the sieve and beam position comparisons: <a style="text-decoration: none; color: #0000ee;" href="https://logbooks.jlab.org/entry/3638085">https://logbooks.jlab.org/entry/3638085</a> Richard documented his analysis of the heep coincidence runs: <a style="text-decoration: none; color: #0000ee;" href="https://logbooks.jlab.org/entry/3638592">https://logbooks.jlab.org/entry/3638592</a> No offsets are observed in the missing mass and momentum distributions. </li><li style="caret-color: #313131; color: #313131;">We are taking data in the high epsilon setting: We have reached the charge goal for the&n
bsp;SHMS angle setting of 8.86 degree. Since the swing shift of December 14, we have started data taking for the SHMS angle setting of 11.86 degree. We are collecting data for the beam currents of 20 uA, 25 uA, and 30 uA. </li></ul></div><div style="font-family: Helvetica; font-size: 12px; margin-top: 0.4em; margin-bottom: 0.8em; padding: 0px;"><span style="caret-color: #313131; color: #313131; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 14px; font-weight: bold;"><span style="font-family: Helvetica; font-size: 12px;">Hall C Daily RC meeting</span></span><span style="color: #313131;">: The next meeting will be on </span><span style="caret-color: #313131; color: #313131;">Monday, December 17. </span></div>
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