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<p>COOL! Way to go Valery and everyone in the RICH group.<br>
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<div class="PlainText">-----<br>
Dr. Gerard P. Gilfoyle<br>
Physics Department <br>
University of Richmond, VA 23173 USA<br>
e-mail: ggilfoyl@richmond.edu<br>
phone: 804-289-8255<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" color="#000000" face="Calibri, sans-serif"><b>From:</b> Hallb <hallb-bounces@jlab.org> on behalf of Valery Kubarovsky <vpk@jlab.org><br>
<b>Sent:</b> Tuesday, September 5, 2017 6:56 PM<br>
<b>To:</b> hallb@jlab.org; dsg-rich<br>
<b>Subject:</b> [Hallb] RICH is taking cosmic muons data</font>
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Dear All,</div>
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On <span class="Object" id="OBJ_PREFIX_DWT4413_com_zimbra_date" style="color:rgb(0,90,149); text-decoration:none"><span class="Object" id="OBJ_PREFIX_DWT4414_com_zimbra_date" style="color:rgb(0,90,149); text-decoration:none">Friday</span></span> September 1st
before midnight RICH group started to take cosmic data with 32 tiles (96 MAPMTs, 64 pixels each) completely equipped with front-end electronics. So in total we have 6144 RICH channels. The trigger is using information from two trigger RICH tiles and two scintillator
counters. Please take a look to the attached plots.</div>
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You can find more pictures with Cherenkov rings and experimental equipment in</div>
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https://userweb.jlab.org/~vpk/RICH12/2017_09_05%20RICH_96/</div>
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<span style="color:rgb(0,0,0); font-family:arial,helvetica,sans-serif; font-size:16px; font-style:normal; font-weight:normal; letter-spacing:normal; orphans:auto; text-align:start; text-indent:0px; text-transform:none; white-space:normal; widows:auto; word-spacing:0px; background-color:rgb(255,255,255); display:inline!important; float:none">The
signal in the center of the ring is coming from the muon hitting the front face of the MAPMT.</span></div>
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<span style="color:rgb(0,0,0); font-family:arial,helvetica,sans-serif; font-size:16px; font-style:normal; font-weight:normal; letter-spacing:normal; orphans:auto; text-align:start; text-indent:0px; text-transform:none; white-space:normal; widows:auto; word-spacing:0px; background-color:rgb(255,255,255); display:inline!important; float:none">It
has many pixels fired.</span></div>
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<span style="color:rgb(0,0,0); font-family:arial,helvetica,sans-serif; font-size:16px; font-style:normal; font-weight:normal; letter-spacing:normal; orphans:auto; text-align:start; text-indent:0px; text-transform:none; white-space:normal; widows:auto; word-spacing:0px; background-color:rgb(255,255,255); display:inline!important; float:none">DAQ
and front-end are working very stable. </span></div>
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A lot of people and groups are participating in this project. Many thanks to all of them!<br>
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Regards,</div>
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Valery</div>
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