<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Dear Latifa,<div class="">For the calibration of the FTCal, we will need several runs to correct for the radiation damage and progressive drop of the charge-to-energy conversion factor. A possible list of runs is:</div><div class=""><div class="">3191</div><div class="">3279</div><div class="">3355</div><div class="">3435 or 3442</div><div class="">3506</div><div class="">3712</div><div class="">3752</div><div class="">3800</div><div class="">3875</div><div class="">3925</div><div class="">4013</div><div class="">4070</div><div class="">4143</div><div class="">4211</div><div class=""><br class=""></div><div class="">In case “nearby” runs were requested by other detectors, we can adjust the list; the only constraint is that we need large runs (of the order of 100 M events) to have enough statistics.</div><div class=""><br class=""></div><div class="">For the hodoscope, some time ago Nick requested the following runs:</div><div class=""><span class="">3324 (65nA)</span><br class=""><span class="">3786 (10nA)</span><br class=""><span class="">3783 (5nA)</span><br class=""><span class="">3834 (17nA)</span><br class=""><span class="">3852 (20nA)</span><div class=""><span class="">4123 (150nA Empty target)</span><br class=""><span class="">4308 (75nA)</span><br class="">but we were not sure if they were already processed.</div></div><div class="">Best regards,</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Raffaella</div><div><br class=""><blockquote type="cite" class=""><div class="">On 16 Apr 2021, at 15:52, Latifa Elouadrhiri <<a href="mailto:latifa@jlab.org" class="">latifa@jlab.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div style="font-style: normal; font-variant-caps: normal; font-weight: normal; 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; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;" class="">Dear all,</div><div style="font-style: normal; font-variant-caps: normal; font-weight: normal; 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; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;" class=""><br class=""></div><div style="font-style: normal; font-variant-caps: normal; font-weight: normal; 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; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; background-color: rgb(255, 255, 255); line-height: normal; display: inline !important;" class="">Please find below the latest timelines of RGA-Spring2018 </span><a href="https://clas12mon.jlab.org/rga/pass0/v2.2.36/tlsummary/" style="margin: 0px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 14.000000953674316px;" class=""><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; line-height: normal;" class="">https://clas12mon.jlab.org/rga/pass0/v2.2.36/tlsummary/</span></a></div><div style="font-style: normal; font-variant-caps: normal; font-weight: normal; 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; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;" class=""><br class=""></div><div style="font-style: normal; font-variant-caps: normal; font-weight: normal; 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; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;" class="">This is after the first round of FTOF calibrations. Dan has completed the analysis of FTOF timelines and the calibrations are good see below his observations of FTOF calibrations:</div><div style="font-style: normal; font-variant-caps: normal; font-weight: normal; 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; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;" class=""><br class=""></div><div style="font-style: normal; font-variant-caps: normal; font-weight: normal; 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; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;" class="">===========================<br class=""><div style="margin: 0px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 15px; color: rgb(32, 31, 30); caret-color: rgb(32, 31, 30);" class=""><i class="">"1) p1b is good over the full range starting at r3210 (before that is not useable for production), eliminating</i></div><div style="margin: 0px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 15px; color: rgb(32, 31, 30); caret-color: rgb(32, 31, 30);" class=""><i class="">the run ranges for FT studies and RND trigger runs. All other runs have vertex times within +/-10 ps of zero.</i></div><div style="margin: 0px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 15px; color: rgb(32, 31, 30); caret-color: rgb(32, 31, 30);" class=""><i class=""><br class=""></i></div><div style="margin: 0px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 15px; color: rgb(32, 31, 30); caret-color: rgb(32, 31, 30);" class=""><i class="">2) p1a is acceptable for nearly the full range with vertex times within +/-20 ps of zero. But there is one small</i></div><div style="margin: 0px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 15px; color: rgb(32, 31, 30); caret-color: rgb(32, 31, 30);" class=""><i class="">run range that has a shift out to 30 ps that I would like to improve. The relevant run range is 3734-3778. I</i></div><span style="margin: 0px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 15px; color: rgb(32, 31, 30); caret-color: rgb(32, 31, 30);" class=""><i class="">would ask that<span class="Apple-converted-space"> </span><font color="#ff2600" class="">run 3752</font><span class="Apple-converted-space"> </span>be cooked for further FTOF calibrations</i>."</span><br class=""></div><div style="font-style: normal; font-variant-caps: normal; font-weight: normal; 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; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;" class=""><span style="margin: 0px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 15px; color: rgb(32, 31, 30); caret-color: rgb(32, 31, 30);" class="">===========================</span></div><div style="font-style: normal; font-variant-caps: normal; font-weight: normal; 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; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;" class=""><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(32, 31, 30); caret-color: rgb(32, 31, 30); line-height: normal;" class="">So we are ready for all you to review your subsystem and let us know by<span class="Apple-converted-space"> </span></span><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(32, 31, 30); caret-color: rgb(32, 31, 30); line-height: normal;" class=""><b style="line-height: normal;" class="">Tuesday</b></span><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(32, 31, 30); caret-color: rgb(32, 31, 30); line-height: normal;" class=""><span class="Apple-converted-space"> </span>what runs you will need for us to process in order to complete your subsystem calibrations</span><span style="margin: 0px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 15px; color: rgb(32, 31, 30); caret-color: rgb(32, 31, 30);" class="">.</span></div><div style="font-style: normal; font-variant-caps: normal; font-weight: normal; 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; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;" class=""><span style="margin: 0px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 15px; color: rgb(32, 31, 30); caret-color: rgb(32, 31, 30);" class=""><br class=""></span></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;" class=""><font color="#201f1e" class=""><span style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif; line-height: normal;" class="">Please let me know if you have any </span><span style="caret-color: rgb(32, 31, 30); font-size: 12pt; font-family: Calibri, Helvetica, sans-serif; line-height: normal;" class="">questions,</span></font></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;" class=""><font color="#201f1e" class=""><span style="caret-color: rgb(32, 31, 30); font-size: 15px;" class=""><br class=""></span></font></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;" class=""><font color="#201f1e" class=""><span style="caret-color: rgb(32, 31, 30); font-size: 12pt; font-family: Calibri, Helvetica, sans-serif; line-height: normal;" class="">Best regards,</span></font></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;" class=""><font color="#201f1e" class=""><span style="caret-color: rgb(32, 31, 30); font-size: 15px;" class=""><br class=""></span></font></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;" class=""><font color="#201f1e" class=""><span style="caret-color: rgb(32, 31, 30); font-size: 12pt; font-family: Calibri, Helvetica, sans-serif; line-height: normal;" class="">Latifa</span></font></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;" class=""><div class=""><div class="x_gmail_quote"><blockquote class="x_gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"></blockquote></div></div></div><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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; float: none; display: inline !important;" class="">_______________________________________________</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; 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