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Dear all,<br>
<br>
The RC meeting today will be at 2:30 pm (1:30 pm scheduling meeting
may go longer than 30 min).<br>
<br>
Regards, Stepan<br>
RC for next day or two.<br>
<br>
<div class="moz-cite-prefix">On 3/20/19 9:48 AM, Valery Kubarovsky
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:16B0B3EE-60F5-481D-9CC8-AB7F5D7F99D3@jlab.org">
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<p class="MsoNormal"><span style="font-size:14.0pt">Hi All,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">We had very
productive production data taking during the time after the
energy change.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">Please take
a look to the attached plot. We are almost on track even
with the beam current<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">50 nA (in
comparison with anticipated 75nA). And take into account
that we had special low luminosity runs<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">@5-10 nA as
well.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">We took
special runs<o:p></o:p></span></p>
<ol style="margin-top:0in" start="1" type="1">
<li class="MsoListParagraph"
style="margin-left:0in;mso-list:l0 level1 lfo1"><span
style="font-size:14.0pt">Moller measurements show 87%
polarization with both hw IN and OUT<o:p></o:p></span></li>
<li class="MsoListParagraph"
style="margin-left:0in;mso-list:l0 level1 lfo1"><span
style="font-size:14.0pt">Random trigger runs for the bgrd
study @10 and 50 nA, important for the bgrd merging.<o:p></o:p></span></li>
<li class="MsoListParagraph"
style="margin-left:0in;mso-list:l0 level1 lfo1"><span
style="font-size:14.0pt">Today we will study the rg-A
configuration trigger in parallel with data taking.<o:p></o:p></span></li>
<li class="MsoListParagraph"
style="margin-left:0in;mso-list:l0 level1 lfo1"><span
style="font-size:14.0pt">Tomorrow validation trigger runs
for electron, muon and FT triggers.<o:p></o:p></span></li>
<li class="MsoListParagraph"
style="margin-left:0in;mso-list:l0 level1 lfo1"><span
style="font-size:14.0pt">Monday night we will take empty
target run<o:p></o:p></span></li>
</ol>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">Wish us good
luck,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">Valery<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">Hall-B RC<o:p></o:p></span></p>
</div>
</blockquote>
<br>
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