<html><body><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000"><div><br></div><div><br></div><div data-marker="__SIG_PRE__">-Eugene</div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>From: </b>"Steve Christo" <christo@jlab.org><br><b>To: </b>"Eugene Pasyuk" <pasyuk@jlab.org><br><b>Cc: </b>"Chao Peng" <pengc2010@gmail.com>, "Bob Miller" <rmiller@jlab.org>, "prad" <prad@jlab.org><br><b>Sent: </b>Friday, April 29, 2016 10:30:19 AM<br><b>Subject: </b>Re: [PRad] HyCal work<br></div><div><br></div><div data-marker="__QUOTED_TEXT__"><div class="moz-cite-prefix">Pulled the beam pipe out and everything seems to be fine. Just try not to disturb the RTV too much while curing when you're working around the HyCal.<br> Steve<br> <br> On 4/29/2016 9:22 AM, Steve Christo wrote:<br></div><blockquote cite="mid:5723601D.1040809@jlab.org"><div class="moz-cite-prefix">Yes, it's pretty tight but slides ok. The only problem is that there is no support for the pipe inside the detector beyond the collimator so it is not possible to direct the beam pipe through without going off axis and possibly damaging the Tedlar joints. I'll look into it when I go to hall in a few minutes.<br> Steve<br> <br> On 4/29/2016 8:39 AM, Eugene Pasyuk wrote:<br></div><blockquote cite="mid:776879211.15905344.1461933541296.JavaMail.zimbra@jlab.org"><div style="font-family: arial,helvetica,sans-serif; font-size:
12pt; color: #000000" data-mce-style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000;"><div>Thank you, Steve!</div><div>I've been to the hall, it looks good.</div><div>Since this is tight fit on the pipe we have to be careful when inserting the pipe into the tube.</div><div><br></div><div>Guys, before we do anything els on the HyCal we need to check for the light leaks.</div><div><br></div><div>-Eugene</div><div><br></div><hr id="zwchr"><div><blockquote style="border-left:2px solid
#1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;" data-mce-style="border-left: 2px solid#1010FF; margin-left: 5px; padding-left: 5px; color: #000; font-weight: normal; font-style: normal; text-decoration: none; font-family: Helvetica,Arial,sans-serif; font-size: 12pt;"><b>From: </b>"Steve Christo" <a class="moz-txt-link-rfc2396E" href="mailto:christo@jlab.org" target="_blank" data-mce-href="mailto:christo@jlab.org"><christo@jlab.org></a><br> <b>To: </b>"Chao Peng" <a class="moz-txt-link-rfc2396E" href="mailto:pengc2010@gmail.com" target="_blank" data-mce-href="mailto:pengc2010@gmail.com"><pengc2010@gmail.com></a>, "Eugene Pasyuk" <a class="moz-txt-link-rfc2396E" href="mailto:pasyuk@jlab.org" target="_blank" data-mce-href="mailto:pasyuk@jlab.org"><pasyuk@jlab.org></a><br> <b>Cc: </b>"Bob Miller" <a class="moz-txt-link-rfc2396E" href="mailto:rmiller@jlab.org" target="_blank" data-mce-href="mailto:rmiller@jlab.org"><rmiller@jlab.org></a>, "prad" <a class="moz-txt-link-rfc2396E" href="mailto:prad@jlab.org" target="_blank" data-mce-href="mailto:prad@jlab.org"><prad@jlab.org></a><br> <b>Sent: </b>Friday, April 29, 2016 6:27:41 AM<br> <b>Subject: </b>Re: [PRad] HyCal work<br></blockquote></div><div><blockquote style="border-left:2px solid
#1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;" data-mce-style="border-left: 2px solid#1010FF; margin-left: 5px; padding-left: 5px; color: #000; font-weight: normal; font-style: normal; text-decoration: none; font-family: Helvetica,Arial,sans-serif; font-size: 12pt;"><div class="moz-cite-prefix">Thank you. I've installed the Tedlar tube through HyCal but had to keep the beam pipe inside the tube while the RTV cures. It shouldn't prevent you from installing the GEM detector frame. I'll check it and remove the beam pipe later this morning. <br> Steve<br> <br> On 4/28/2016 8:12 PM, Chao Peng wrote:<br></div><blockquote cite="mid:CA+O03nEEJ3v1hcEFFYnzLgZmXc51YoXCyffNjgDcpfosKUO3EA@mail.gmail.com"><div dir="ltr">Hi Eugene,<div><br></div><div>All power supplies are turned off.</div><div>It is safe to access HyCal.</div><div><br></div><div>Best,</div><div>Chao</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Apr 28, 2016 at 6:03 PM, Eugene Pasyuk <span dir="ltr"><<a class="moz-txt-link-abbreviated" href="mailto:pasyuk@jlab.org" target="_blank" data-mce-href="mailto:pasyuk@jlab.org">pasyuk@jlab.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex" data-mce-style="margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1ex;"><div><div style="font-family:arial,helvetica,sans-serif;font-size:12pt;color:#000000" data-mce-style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000;"><div>Ok. Send us a note when it is OFF.</div><div><br></div><div>-Eugene</div><div><br></div><hr><div><blockquote style="border-left:2px solid
#1010ff;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt" data-mce-style="border-left: 2px solid#1010ff; margin-left: 5px; padding-left: 5px; color: #000; font-weight: normal; font-style: normal; text-decoration: none; font-family: Helvetica,Arial,sans-serif; font-size: 12pt;"><b>From: </b>"Chao Peng" <<a class="moz-txt-link-abbreviated" href="mailto:pengc2010@gmail.com" target="_blank" data-mce-href="mailto:pengc2010@gmail.com">pengc2010@gmail.com</a>><br> <b>To: </b>"Eugene Pasyuk" <<a class="moz-txt-link-abbreviated" href="mailto:pasyuk@jlab.org" target="_blank" data-mce-href="mailto:pasyuk@jlab.org">pasyuk@jlab.org</a>><br> <b>Cc: </b>"prad" <<a class="moz-txt-link-abbreviated" href="mailto:prad@jlab.org" target="_blank" data-mce-href="mailto:prad@jlab.org">prad@jlab.org</a>>, "Steve Christo" <<a class="moz-txt-link-abbreviated" href="mailto:christo@jlab.org" target="_blank" data-mce-href="mailto:christo@jlab.org">christo@jlab.org</a>>, "Bob Miller" <<a href="mailto:rmiller@jlab.org" target="_blank" data-mce-href="mailto:rmiller@jlab.org">rmiller@jlab.org</a>><br> <b>Sent: </b>Thursday, April 28, 2016 5:55:21 PM<br> <b>Subject: </b>Re: [PRad] HyCal work<br></blockquote></div><div><div class="h5"><div><blockquote style="border-left:2px solid
#1010ff;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt" data-mce-style="border-left: 2px solid#1010ff; margin-left: 5px; padding-left: 5px; color: #000; font-weight: normal; font-style: normal; text-decoration: none; font-family: Helvetica,Arial,sans-serif; font-size: 12pt;"><div dir="ltr">Hi Eugene,<br><div>I am taking some data right now, and I will turn the HV off tonight.</div><br><div>Best Regards,</div><div>Chao</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Apr 28, 2016 at 2:17 PM, Eugene Pasyuk <span dir="ltr"><<a class="moz-txt-link-abbreviated" href="mailto:pasyuk@jlab.org" target="_blank" data-mce-href="mailto:pasyuk@jlab.org">pasyuk@jlab.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc
solid;padding-left:1ex" data-mce-style="margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1ex;"><div><div style="font-family:arial,helvetica,sans-serif;font-size:12pt;color:#000000" data-mce-style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000;"><div>Tomorrow HyCal should be down and we can start working on it. The first thing to do would be to open beam holes upstream and downstream and install Tedlar tube through the HyCal. </div><br><div>If anyone is taking data with HyCal today make sure to finish it and turn all HV off before tomorrow morning. The chiller also should be turned off.</div><span><span><span style="color:#888888" data-mce-style="color: #888888;"><br> </span></span></span><div>-Eugene</div></div></div><br> _______________________________________________<br> PRad mailing list<br> <a href="mailto:PRad@jlab.org" target="_blank" data-mce-href="mailto:PRad@jlab.org">PRad@jlab.org</a><br> <a href="https://mailman.jlab.org/mailman/listinfo/prad" rel="noreferrer" target="_blank" data-mce-href="https://mailman.jlab.org/mailman/listinfo/prad">https://mailman.jlab.org/mailman/listinfo/prad</a><br> <br></blockquote></div><br> <br clear="all"> <br> -- <br><div><div>Chao Peng</div><div>Department of Physics</div><div>BOX 90305</div><div>Duke University</div><div>Durham, NC 27708</div></div></div><br></blockquote></div></div></div></div></div></blockquote></div><br> <br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div>Chao Peng</div><div>Department of Physics</div><div>BOX 90305</div><div>Duke University</div><div>Durham, NC 27708</div></div></div></blockquote><br> <br> _______________________________________________<br> PRad mailing list<br> <a class="moz-txt-link-abbreviated" href="mailto:PRad@jlab.org" target="_blank" data-mce-href="mailto:PRad@jlab.org">PRad@jlab.org</a><br> <a class="moz-txt-link-freetext" href="https://mailman.jlab.org/mailman/listinfo/prad" target="_blank" data-mce-href="https://mailman.jlab.org/mailman/listinfo/prad">https://mailman.jlab.org/mailman/listinfo/prad</a><br></blockquote></div></div></blockquote><br></blockquote><br><br></div></div></body></html>