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collaborators/colleagues/friends,</span></span></span></div>
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<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);">Hall-D RC report for Saturday 27th of November, 2021</span></div>
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<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);"><b>Accelerator</b></span></li><ul>
<li style="font-family: Calibri, Helvetica, sans-serif;"><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);">Most of day the accelerator was delivering relatively good beam. Major cause of beam down:</span></li><ul>
<li><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont">~11:40 beam down ~1h. It is not clear for me the reason since it is not detailed in MCC Elog but I guess the reason is --> <a href="https://logbooks.jlab.org/entry/3951550" id="LPlnk558176">https://logbooks.jlab.org/entry/3951550</a></font></li><li style="font-family:Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont"><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); display: inline !important;"><span style="color: rgb(0, 0, 0); font-family: "Trebuchet MS", "Helvetica Neue", Arial, Helvetica, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255); display: inline !important;">2L15</span>
down, causing ~2:30h of beam down--></span> <b style="font-family: inherit; font-size: inherit; font-style: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit;"><a href="https://logbooks.jlab.org/entry/3951674" id="LPlnk858058">https://logbooks.jlab.org/entry/3951674</a>, <a href="https://logbooks.jlab.org/entry/3951655" id="LPlnk885835">https://logbooks.jlab.org/entry/3951655</a> and <a href="https://logbooks.jlab.org/entry/3951726" id="LPlnk725084">https://logbooks.jlab.org/entry/3951726</a></b></li><li style="font-family: Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont; display: block;">
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<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);"><b>Experiment/Hall</b></span></li><ul>
<li style="font-family:Calibri, Helvetica, sans-serif"><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);">As it has been the tendency during these days, the experiment has been running smoothly and
the data production is going well. </span></li><ul>
<li style="font-family:Calibri, Helvetica, sans-serif"><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);">Since the start production on Carbon the total number of triggers (today at 00:57) is ~6,000
M. </span></li></ul>
<li><span style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);">Alexandre has found energy oscillations up to 8MeV (last Friday was the first time, sorry I haven't seen the entry) in</span><span style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);"> </span><span style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 0); font-family: "Trebuchet MS", "Helvetica Neue", Arial, Helvetica, sans-serif; font-size: 14px; text-align: start; background-color: rgb(255, 255, 255); display: inline !important;">HALLD:p</span></span><span style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);"> --</span><span style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);">> <a href="https://logbooks.jlab.org/entry/3951413" id="LPlnk789746">https://logbooks.jlab.org/entry/3951413</a> .
That issue was addressed in the PD/RC meeting where Jay informed that the reason is unknown especially because those
</span><span style="font-family: Calibri, Helvetica, sans-serif; color: rgb(0, 0, 0);">oscillations are not observed in </span><span style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);"><span style="color: rgb(49, 49, 49); font-family: "Trebuchet MS", "Helvetica Neue", Arial, Helvetica, sans-serif; font-size: 14px; text-align: start; background-color: rgb(255, 255, 255); display: inline !important;"><span style="color: rgb(0, 0, 0); font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;"> </span></span><span style="color: rgb(0, 0, 0); font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; text-align: start; background-color: rgb(255, 255, 255); display: inline !important;">HDTGR:
p and AD00c (</span><span style="color: rgb(0, 0, 0); font-family: "Trebuchet MS", "Helvetica Neue", Arial, Helvetica, sans-serif; font-size: 12pt; text-align: start; background-color: rgb(255, 255, 255); display: inline !important;"><span style="color: rgb(49, 49, 49); font-size: 12pt; background-color: rgb(255, 255, 255); font-family: Calibri, Helvetica, sans-serif; display: inline !important;">t</span><span style="color: rgb(0, 0, 0); font-size: 12pt; background-color: rgb(255, 255, 255); font-family: Calibri, Helvetica, sans-serif; display: inline !important;">agger
dump position) --> <a href="https://logbooks.jlab.org/entry/3950833" id="LPlnk288516">
https://logbooks.jlab.org/entry/3950833</a>. Thank you Alexandre for the detective labor. </span></span></span></li><li style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont;"><span style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);">Because, apparently, there was some confusion about the novel procedure to change diamond
orientation and configuration, I published the instruction here --> <a href="https://logbooks.jlab.org/entry/3951524" id="LPlnk551092">https://logbooks.jlab.org/entry/3951524</a> but i</span>n summary</li><ul>
<li style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont;">from 0/90 to 45/135 and 45/135 to 0/90 ALWAYS </li><ul>
<li style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont;">BEAM OFF and DUMPLETTE</li></ul>
<li style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont;">from PERP to PARA (with the same orientation)<br>
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<li style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont;">BEAM OFF</li></ul>
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</li></ul>
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<li><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);"><b>Run Plan</b></span><b><br>
</b></li><ul>
<li><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);">run on carbon at 150nA</span><br>
</li><li style="font-family:Calibri, Helvetica, sans-serif"><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);">run 250M events or 2h (rates are quite close to those in He, so 2h should be enough)</span></li><li style="font-family:Calibri, Helvetica, sans-serif"><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);">rotate radiators 0/90, 45/135 in PARA and PERP configuration (both)</span></li><li style="font-family:Calibri, Helvetica, sans-serif"><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);">DO NOT TOUCH/CHANGE ANYTHING SENSIBLE THAT COULD NEED THE CALL OF TECHNICIANS!!! <-- this
is doing great!!</span></li></ul>
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<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);"><b>RC MEETING:</b></span><br>
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<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(255, 0, 0);"><b>THERE WON'T BE RC MEETING ON SATURDAY!!</b></span><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(200, 38, 19);"> </span><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);"><span> </span>(Probably,
no RC meetings until Monday, unless SOMETHING happens and need to be reported. *fingers cross*)</span></div>
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<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);"><b>ANALYSIS MEETING:</b></span></div>
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<div style="margin: 0px;"><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont"><span style="color: rgb(255, 0, 0);">NO Analysis meeting on Sunday!</span><span style="color: rgb(237, 92, 87);">!</span><span style="color: rgb(134, 17, 6);">
</span>(Fun Fact: Sundays are <span style="color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; font-size: 13.0334px; background-color: rgb(238, 241, 246); display: inline !important;"><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">"</span></span><span style="color: rgb(0, 0, 0); font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; background-color: rgb(238, 241, 246); display: inline !important;">days
of rest from work"</span> protected in the German constitution, art 139 --> <a href="https://www.gesetze-im-internet.de/englisch_gg/englisch_gg.html#p0893" id="LPNoLPOWALinkPreview">https://www.gesetze-im-internet.de/englisch_gg/englisch_gg.html#p0893</a>)</font></div>
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</font></div>
<div style="margin: 0px;"><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont">Nevertheless, I would like to invite you to visit the last Analysis meeting --> <a href="https://halldweb.jlab.org/wiki/index.php/Analysis_Shift_Meeting_Agenda,_November_21_-_November_27,_2021" id="LPlnk142698">https://halldweb.jlab.org/wiki/index.php/Analysis_Shift_Meeting_Agenda,_November_21_-_November_27,_2021</a></font></div>
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<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);">Please, if you think any info in this report is incomplete, inaccurate or even wrong, please do not hesitate to tell me to improve the skills of your
humble RC<span> </span></span><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);">😉</span></div>
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<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);">Thank you!!</span></div>
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<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(0, 0, 0);">-Carlos</span><br>
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<span style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; margin: 0px; color: rgb(0, 0, 0);">Hall-D RC (24 Nov - 1 Dec)</span></div>
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