<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style>
</head>
<body dir="ltr">
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">
<span style="margin: 0px; font-size: 15px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"><span style="margin: 0px; color: black; background-color: white;"><span style="margin: 0px; font-size: 12pt; font-family: Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont; background-color: white; color: black;"><span style="margin: 0px; background-color: white; color: black;"><span style="margin: 0px; background-color: white; color: black;"><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; background-color: white; color: black;">Dear
collaborators/colleagues/friends,</span></span></span></span></span></span></div>
<div style="background-color: rgb(255, 255, 255); color: rgb(0, 0, 0);">
<div style="margin: 0px; background-color: rgb(255, 255, 255); color: rgb(0, 0, 0);">
<div style="margin: 0px; background-color: white; color: black;">
<div style="margin: 0px; background-color: white; color: black;">
<div style="margin: 0px; background-color: white; color: black;">
<div style="margin: 0px; background-color: white; color: black;">
<div style="font-size: 12pt; font-family: Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont; margin: 0px; color: black; background-color: white;">
<br>
</div>
<div style="font-size: 12pt; font-family: Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont; margin: 0px; color: black; background-color: white;">
<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: black;">Hall-D RC report for Tuesday 30th of November, 2021</span><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: rgb(237, 92, 87);"><b>
(last report from me, no more spam)</b></span></div>
<div style="margin: 0px; background-color: white; color: black;">
<ul style="font-size: 15px;">
<li style="font-family: Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont; font-size: 12pt;">
<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: black;"><b>Accelerator</b></span></li><ul>
<li style="font-size: 12pt;"><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont">it looks like the accelerator is a bit tired and need tomorrow's rest since it has been a irregular day with some long periods of beam down (day shift beam strips -->
<a href="https://logbooks.jlab.org/entry/3953268" id="LPlnk974232">https://logbooks.jlab.org/entry/3953268</a>). Major incidents:</font></li><ul>
<li style="font-size: 12pt;"><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont"><span style="color: rgb(49, 49, 49); font-family: "Trebuchet MS", "Helvetica Neue", Arial, Helvetica, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255); display: inline !important;">Injector
Orbit work<span> ~1h down --> </span></span><a href="https://logbooks.jlab.org/entry/3953176" id="LPlnk906288">https://logbooks.jlab.org/entry/3953176</a><br>
</font></li><li style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">problem with <span style="color: rgb(49, 49, 49); font-family: "Trebuchet MS", "Helvetica Neue", Arial, Helvetica, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255); display: inline !important;">1L15
~1h down --> </span><a href="https://logbooks.jlab.org/entry/3953237" id="LPlnk832879">https://logbooks.jlab.org/entry/3953237</a><br>
</li><li style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; display: block;">
<br>
</li></ul>
</ul>
<li style="font-size: 12pt; font-family: Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont;">
<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: black;"><b>Experiment/Hall</b></span></li><ul>
<li style="font-size: 12pt;"><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont">Also the hall needs some rest since it has started to get more alarms/warnings than the previous days</font></li><ul>
<li style="font-family:Calibri, Helvetica, sans-serif"><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: black;">Since the start production on Carbon the total number of triggers (today at 01:00) is ~14.8 B. </span></li></ul>
<li style="font-size: 15px; font-family: Calibri, Helvetica, sans-serif;"><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont"><span style="margin:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont">For some reason unknown to me, the
not under use DIRC has jumped the alarm --> <a href="https://logbooks.jlab.org/entry/3952991" id="LPlnk698907">https://logbooks.jlab.org/entry/3952991</a></span></font></li><li style="font-size: 15px;"><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont">Alexandre addressed an increase of radiation in all monitors --> <a href="https://logbooks.jlab.org/entry/3953040" id="LPlnk404058">https://logbooks.jlab.org/entry/3953040</a> </font></li><li style="font-size: 15px;"><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont">Very close in time, Lubomir and Torry reported that the coherent peak with 45/135 PERP was unstable --> <a href="https://logbooks.jlab.org/entry/3953124" id="LPlnk503681">https://logbooks.jlab.org/entry/3953124</a> and <a href="https://logbooks.jlab.org/entry/3953132" id="LPlnk918854">https://logbooks.jlab.org/entry/3953132</a></font></li><ul>
<li>since I noticed for a couple of days that 45/135 PERP was behind of several issues reported, I consulted Alexandre about that possibility. Comparing the jump in the edge with the increase of rates there is a perfect match --> <a href="https://logbooks.jlab.org/entry/3953446" id="LPlnk886573">https://logbooks.jlab.org/entry/3953446</a> </li><li>Sasha has suggested that after tomorrow's beam recovery and running the harp scans this issue should disappear. </li><li>the instability in the coherent peak, is explained of how the peak is estimated. In normal circumstances, the peak is estimated in the microscope, but now, the peak is placed half way tagger/microscope, with the difference in granularity between both systems,
the algorithm finds some issues to fix the position. Apparently, this is more notable with 45/135 PERP.</li></ul>
<li style="font-size: 15px; font-family: Calibri, Helvetica, sans-serif;"><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont"><span style="margin:0px;font-size:12pt;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont"><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> </span>TAGRPLC
alarm indicating as offline --> <a href="https://logbooks.jlab.org/entry/3953336" id="LPlnk159540">https://logbooks.jlab.org/entry/3953336</a></span><br>
</span></font></li><ul>
<li style="font-family: Calibri, Helvetica, sans-serif;"><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont"><span style="margin:0px;font-size:12pt;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont">Such alarm is no critical for our measurements.
Hovannes talked with Nick and tomorrow, after Tagger hall survey to work on it. </span></font></li></ul>
<li><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont" style=""><span style="margin: 0px;"><span style="font-size: 12pt;">FCAL has started to lose communication (individual channels) often than before, but thanks to Malte instructions yesterday,
our shift workers solve the issue </span>immediately<span style="font-size: 12pt;">.</span></span></font></li><li style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont;">
<span style="margin:0px">Once again -- > A friendly reminder to the Shift Worker to fill the spreadsheet with the data of the run --> </span><a href="https://docs.google.com/spreadsheets/d/19QWkjAPEiSd2scvAllYvgvB_puxKjFiSlh3z6EBfFck/edit?usp=sharing" target="_blank" rel="noopener noreferrer" data-auth="NotApplicable" data-linkindex="0" style="margin:0px"><span style="margin:0px">https://docs.google.com/spreadsheets/d/19QWkjAPEiSd2scvAllYvgvB_puxKjFiSlh3z6EBfFck/edit?usp=sharing</span></a><br>
</li><ul>
<li style="font-size:12pt;font-family:Calibri, Helvetica, sans-serif"><span style="margin:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont">Perhaps you think it is a bit redundant since the RCDB is available, but it helps our students for fast
cross checks of the runs.</span></li></ul>
<li style="font-size: 15px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; display: block;">
<div style="margin:0px"></div>
</li><li style="font-size: 15px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; display: block;">
<br>
</li></ul>
<li style="font-size: 15px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif;">
<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: black;"><b>Run Plan (WEDNESDAY)</b></span><b><br>
</b></li><ul>
<li><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont">It is expected to start the RF recovery ~08:00. </font></li><li><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont">The work booked tomorrow into the hall are:</font></li><ul>
<li><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont">Mark, Malte and Rebecca --> FCAL maintenance</font></li><li><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont">Sasha and Vladimir --> work in the PS area</font></li><li><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont">Nick and Scot --> work in Tagger hall</font></li><li><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont">Mark --> walkthrough (2 people booked)</font></li></ul>
<li><font face="Calibri, Helvetica, sans-serif, serif, EmojiFont">Yesterday, just in advance, I summarize to Dave Hamlett (Radcon) what are our needs tomorrow (as was requested):</font></li><ul>
<li><span style="margin:0px">in general, for the Hall work expected, it is NOT necessary a full survey.<br>
</span></li><li><span style="margin:0px">for the work in FCAL, it is NOT necessary any survey (thank you Mark for clarify it)<br>
</span></li><li><span style="margin:0px">for the work around the pair spectrometer (PS), we NEED a survey around the PS beam pipe (where the PS setup is located).</span></li><li><span style="margin:0px">for the walkthrough, we need a FULL survey in the Tagger Hall
</span><span style="margin: 0px; color: rgb(237, 92, 87);"><-- please note that I asked for it before the PLC issue</span></li><li><span style="margin:0px">Desirable, but NOT necessary, we would like to take some crystals from the hall, which naturally will need to be surveyed.</span></li></ul>
<li><span style="margin:0px">These will be the info to be shared tomorrow during the PD/RC meeting and trying to get the tagger hall ASAP</span></li><li style="display:block"><br>
</li></ul>
</ul>
<div style="font-size: 12pt; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; margin: 0px;">
<div style="margin:0px;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);"><b>THANKS:</b></span>
<div style="margin: 0px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">
<ul>
<li style="font-family:Calibri, Helvetica, sans-serif"><span style="margin:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont">it has been an honor and a privilege for me, as 'external' to the Hall D, have served as RC in the name of the SRC/CT
experiment. I know that many people don't give much importance to the task, but after being RC at Hall A and B, I found this duty very instructive, but sometimes exhausting.</span></li><ul>
<li style="font-family:Calibri, Helvetica, sans-serif"><span style="margin:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont">Thank you Sasha for your patience and time and dedication.</span></li><li style="font-family:Calibri, Helvetica, sans-serif"><span style="margin:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont">Thank you Alexandre for all your nice comments and explanations of all those details which escapes the non trained eye.</span></li><li style="font-family:Calibri, Helvetica, sans-serif"><span style="margin:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont">Many thanks for all the experts on call (or not), which patiently answer our phone calls (Malte, Hovannes, Beni).</span></li><li style="font-family:Calibri, Helvetica, sans-serif">Thank you to all the shift crews who handle the data acquisition perfectly and didn't call me very often (except for sugar
<span id="😄">😄 )</span>.</li></ul>
</ul>
</div>
<div style="margin: 0px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">
<b style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; font-size: inherit; font-style: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit;">RC MEETING:</b><br>
</div>
</div>
<div style="margin:0px;font-family:Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont">
<ul>
<li><span style="margin:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont">Let's reconvene tomorrow at the regular time (08:45). The connection information --> </span><a href="https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:Fall2021" target="_blank" rel="noopener noreferrer" data-auth="NotApplicable" data-linkindex="2" style="margin:0px"><span style="margin:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont">https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:Fall2021</span></a></li><div style="margin:0px"></div>
</ul>
</div>
<div style="margin:0px"><b style="font-family:Calibri, Helvetica, sans-serif">ANALYSIS MEETING:</b><br>
</div>
<div style="margin:0px">
<ul>
<li><span style="margin:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont">The daily analysis meeting will be at 14:00, in person at F326. More info --> </span><a href="https://halldweb.jlab.org/wiki/index.php/Analysis_shift" target="_blank" rel="noopener noreferrer" data-auth="NotApplicable" data-linkindex="3" style="margin:0px"><span style="margin:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont">https://halldweb.jlab.org/wiki/index.php/Analysis_shift</span></a></li><div style="margin:0px"></div>
</ul>
<div style="margin:0px"><br>
</div>
<div style="margin:0px">Well, this is the last report but: </div>
</div>
<div style="margin:0px;font-family:Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont">
<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: black;"><br>
</span></div>
<div style="margin:0px;font-family:Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont">
<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: black;">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 style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: black;"><span style="margin:0px"> </span></span><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: black;">😉</span></div>
<div style="margin:0px;font-family:Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont">
<br>
</div>
<div style="margin:0px;font-family:Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont">
<span style="font-size: 14pt; color: rgb(237, 92, 87);">Starting tomorrow, Holly will take as RC ~13:00</span></div>
<div style="margin:0px;font-family:Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont">
<br>
</div>
<div style="margin:0px;font-family:Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont">
<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: black;">Thank you!!</span></div>
<div style="margin:0px;font-family:Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont">
<br>
</div>
<div style="margin:0px;font-family:Calibri, Arial, Helvetica, sans-serif, serif, EmojiFont">
<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: black;">-Carlos</span><br>
</div>
<span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; color: black;">Hall-D RC (24 Nov - 1 Dec)</span></div>
</div>
</div>
</div>
</div>
</div>
</div>
<br>
</div>
<div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div id="Signature">
<div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
-------------------------------------------------</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
If you receive this e-mail after hours, during a weekend, or on a holiday,</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
please enjoy your time off and respond during your working hours.<br>
</div>
</div>
</div>
</div>
</body>
</html>