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<p class="MsoNormal"><span style="font-size:11.0pt">I will be in the conference room at 1PM and I invite all those not involved in the VIP tour to join me.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">The normal Wednesday accelerator schedule is tentatively moved to Thursday (see board).<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I recently posted a log as to my understanding of the current status.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">============HBLOG<o:p></o:p></span></p>
<p>Production running up until Monday day shift was good with typically 6 hours of data recording.<o:p></o:p></p>
<p>Target was changed from LD2+Pb to LD2+C during the Monday day shift. <o:p></o:p></p>
<p>Beam has been down since the start of Monday April 8 day shift 8:00 AM. There was a break in a hose for the water-cooling system. The leak sprayed cabinets so that sensitive instrumentation had to be shutdown. Crews are drying all impacted boards etc. The
goal is to have these units ready in a day or so. Once completely dry the boards will be tested [turned on]. The fix and return of the impacted cavities is potentially days.<o:p></o:p></p>
<p>To recover faster the RF crews are trying to increase gradients and explore using cavities currently “greyed out” [not powered]. The crews are strategizing the best way to boost energy with available cavities and tune beam parameters in order to restore
beam earlier.<o:p></o:p></p>
<p>Accel crews have opted to take ˝ day shift to explore options. Earliest beam is 2PM<o:p></o:p></p>
<p>There is a VIP tour scheduled after lunch. Radcon will survey probably around 11AM and then we can change the hall status to restricted access.<o:p></o:p></p>
<p>The trackers are off or in safe-mode. The rest of the HallB systems are up and running.<o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt">============== status<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Kevin</span><o:p></o:p></p>
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