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<p class="MsoNormal"><span style="font-size:12.0pt;mso-contextual-alternates:yes">….as usual you did an invaluable work and thanks also to Raffaella for her tireless support<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;mso-contextual-alternates:yes">Thank you!!!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;mso-contextual-alternates:yes"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;mso-contextual-alternates:yes">patrizia<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">-------------------------------------------<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"># Patrizia Rossi<br>
# Jefferson Lab <br>
# 12000 Jefferson Avenue<br>
# Suite 5<br>
# Newport News VA 23606 (USA)<br>
# e-mail: </span><a href="mailto:rossi@jlab.org"><span style="color:#0563C1">rossi@jlab.org</span></a><span style="color:black"><br>
# phone: +1 (757) 269 7740<br>
# fax: + 1 (757) 269 5800</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;mso-contextual-alternates:yes"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;mso-contextual-alternates:yes"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">Rich <rich-bounces@jlab.org> on behalf of Marco Mirazita <Marco.Mirazita@lnf.infn.it><br>
<b>Date: </b>Tuesday, November 30, 2021 at 4:53 AM<br>
<b>To: </b><rich@jlab.org><br>
<b>Cc: </b><Raffaella.Devita@ge.infn.it><br>
<b>Subject: </b>[Rich] [EXTERNAL] new rich monitoring histograms<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi all,<o:p></o:p></p>
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<p class="MsoNormal">you may have noticed that the RICH monitoring histograms have been
<o:p></o:p></p>
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<p class="MsoNormal">changed.<o:p></o:p></p>
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<p class="MsoNormal">I defined these new histograms following the discussions we had at the
<o:p></o:p></p>
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<p class="MsoNormal">last RICH meeting and discussions with Raffaella. Then she implemented
<o:p></o:p></p>
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<p class="MsoNormal">the modifications in mon12. She also rewrote the way the geometry is
<o:p></o:p></p>
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<p class="MsoNormal">handled to make it more clear.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I apologize for not having discussed the new histograms with everyone, I
<o:p></o:p></p>
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<p class="MsoNormal">just briefly illustrated them yesterday to Marco Contalbrigo and Fatiha.<o:p></o:p></p>
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<p class="MsoNormal">It is nothing really new, but I think it is a better way to visualize
<o:p></o:p></p>
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<p class="MsoNormal">the status of the detector.<o:p></o:p></p>
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<p class="MsoNormal">The only real difference is that now all the plots are showing only
<o:p></o:p></p>
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<p class="MsoNormal">reconstructed hits, not edges.<o:p></o:p></p>
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<p class="MsoNormal">And I used the running average number of counts per channel <N> to set
<o:p></o:p></p>
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<p class="MsoNormal">the color scales and draw some reference lines.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Now we have only two tabs instead of one.<o:p></o:p></p>
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<p class="MsoNormal">One tab is showing the same hit maps as before, but with a log color
<o:p></o:p></p>
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<p class="MsoNormal">scale and with max proportional to <N>. Here one is supposed to find
<o:p></o:p></p>
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<p class="MsoNormal">problems with missing PMTs or tiles (as happened few days ago and also
<o:p></o:p></p>
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<p class="MsoNormal">yesterday).<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">The second tab has 4 plots.<o:p></o:p></p>
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<p class="MsoNormal">The top left and right show the number of hits per channels and per pmt.<o:p></o:p></p>
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<p class="MsoNormal">From the left plot, one should be able to see new hot channels (counts
<o:p></o:p></p>
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<p class="MsoNormal">significantly above the line) or new dead channels (zero counts).<o:p></o:p></p>
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<p class="MsoNormal">From the right plot again one should see possible missing PMTs or tiles.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">The two bottom plots show the leading edge time and the <o:p>
</o:p></p>
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<p class="MsoNormal">time-over-threshold per PMT. From these plots one should check that the
<o:p></o:p></p>
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<p class="MsoNormal">signal is well within the DAQ time window (left) and of the expected
<o:p></o:p></p>
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<p class="MsoNormal">shape (right).<o:p></o:p></p>
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<p class="MsoNormal">The lines are showing more or less where we expect to see the signal.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">As last step to conclude this work I will write a short paragraph to be
<o:p></o:p></p>
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<p class="MsoNormal">added in the mon12 manual.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Best regards,<o:p></o:p></p>
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<p class="MsoNormal">Marco<o:p></o:p></p>
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<p class="MsoNormal">_______________________________________________<o:p></o:p></p>
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<p class="MsoNormal">Rich mailing list<o:p></o:p></p>
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<p class="MsoNormal"><a href="mailto:Rich@jlab.org">Rich@jlab.org</a><o:p></o:p></p>
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<p class="MsoNormal"><a href="https://mailman.jlab.org/mailman/listinfo/rich">https://mailman.jlab.org/mailman/listinfo/rich</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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