<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Folks,<div class=""><br class=""></div><div class="">We had another fast ramp down of the torus and solenoid this morning at 7:45 a.m., making</div><div class="">two such incidents in the last 30 hours. The cause is a waterflow interlock in the torus power</div><div class="">supply. As usual the Hall B superconducting magnets are coupled cryogenically, so the torus </div><div class="">fast dump caused the solenoid fast dump (and also brought down magnets in Hall C). The </div><div class="">Magnet Group is involved in the mitigation process and have just made an entry to Hall B to </div><div class="">begin investigations. Any work on the system cannot begin until the safety paperwork is in</div><div class="">place, so the current entry is just for an initial evaluation. It is not clear yet when we will be </div><div class="">allowed to resume the RG-K physics program, but I will update folks when there is news.</div><div class=""><br class=""></div><div class="">To catch up on the last day of the RG-K run, I have posted the Run Coordinator summary</div><div class="">in the HBLOG at: <a href="https://logbooks.jlab.org/entry/4261466" class="">https://logbooks.jlab.org/entry/4261466</a>.</div><div class=""><br class=""></div><div class="">Regards,</div><div class="">Daniel</div><div class=""><br class=""></div><div class=""><div class="">
<div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">*****************************************************************************<br class="">*<br class="">* Dr. Daniel Carman e-mail: <a href="mailto:carman@jlab.org" class="">carman@jlab.org</a> <br class="">* Staff Scientist office: (757)-269-5586<br class="">* Jefferson Laboratory web: <a href="https://userweb.jlab.org/~carman" class="">https://userweb.jlab.org/~carman</a><br class="">*<br class=""><div>*****************************************************************************</div><div class=""><br class=""></div></div></div></div></div></div><br class=""></div></body></html>