<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="">Hi, Xiaochao,<div class=""><br class=""></div><div class="">Sorry, I should updated this a bit earlier. However, you already have covered everything important for the meeting. Yes, we definitely will discuss this period of testing on our weekly target meeting next week. Due to the Labor Day, it won’t happen on Monday. I will notice ahead from <a href="mailto:polhe3@jlab.org" class="">polhe3@jlab.org</a>.</div><div class=""><br class=""></div><div class="">Thanks,</div><div class="">Junhao</div><div class=""><br class=""></div><div class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 27 Aug 2019, at 15:50, Xiaochao Zheng <<a href="mailto:xiaochao@jlab.org" class="">xiaochao@jlab.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div id="divtagdefaultwrapper" dir="ltr" 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-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;" class=""><div style="margin-top: 0px; margin-bottom: 0px;" class="">Hi Junhao:</div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">Sorry, I see this only now, you could have spoken up during the meeting that you had a super report to show!</div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">I would suggest you present this on Monday at the target meeting, if there is one. It will be very interesting to discuss all details of the "transformation" of the Fulla test. Also Jianping will be here (I hope) to see the details.</div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">Thanks,</div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">Xiaochao<br class=""></div><br class=""><br class=""><div style="" class=""><hr tabindex="-1" style="display: inline-block; width: 1158.359375px;" class=""><div id="divRplyFwdMsg" dir="ltr" class=""><font face="Calibri, sans-serif" style="font-size: 11pt;" class=""><b class="">From:</b><span class="Apple-converted-space"> </span>Junhao Chen <<a href="mailto:jhchen@jlab.org" class="">jhchen@jlab.org</a>><br class=""><b class="">Sent:</b><span class="Apple-converted-space"> </span>Tuesday, August 27, 2019 2:30 PM<br class=""><b class="">To:</b><span class="Apple-converted-space"> </span>Xiaochao Zheng <<a href="mailto:xiaochao@jlab.org" class="">xiaochao@jlab.org</a>><br class=""><b class="">Cc:</b><span class="Apple-converted-space"> </span>A1n d2n <<a href="mailto:a1n_d2n@jlab.org" class="">a1n_d2n@jlab.org</a>><br class=""><b class="">Subject:</b><span class="Apple-converted-space"> </span>Re: [A1n_d2n] Bi-weekly A1n-d2n meeting Tuesday 8/27 2:30pm</font><div class=""> </div></div><div class="" style="word-wrap: break-word; line-break: after-white-space;"><div class="x_x-apple-maildropbanner" style="font-style: normal; font-variant-caps: normal; font-stretch: normal; font-size: 13px; line-height: normal; font-family: "Helvetica Neue", sans-serif; color: rgb(128, 128, 128); font-weight: 300;"><div class="" style="height: 0px; border-top-width: 1px; border-top-style: solid; border-top-color: rgb(236, 236, 236);"></div><div class="" style="height: 53px; overflow: auto;"><div class="" style="float: left; margin-top: 13px; margin-right: 62px;"><div class="" style="height: 19px; display: table-cell; vertical-align: bottom;">Attachment available until 26 Sep 2019</div></div></div><div class="" style="height: 0px; border-top-width: 1px; border-top-style: solid; border-top-color: rgb(236, 236, 236); margin-bottom: 15px;"></div></div>Hi, All, <div class=""><br class=""></div><div class="">Here is my report for Fulla characterisation. </div><div class=""><br class=""></div><div class="">Junhao</div><div class=""><div class="x_x-apple-maildrop" style="margin: 15px; border: 1px solid rgb(202, 202, 202); border-top-left-radius: 15px; border-top-right-radius: 15px; border-bottom-right-radius: 15px; border-bottom-left-radius: 15px; height: 134px; display: inline-block; min-width: 159px; font-family: "Helvetica Neue", sans-serif;"><a href="https://www.icloud.com/attachment/?u=https%3A%2F%2Fcvws.icloud-content.com%2FB%2FAVtdQW1y8k7b3Bt8nRgGEy0npbnnATnCxxV3CMKJROFKUimK8I2RMaPu%2F%24%7Bf%7D%3Fo%3DAr9j_wSMi7WX-7yAdefEEHN4mJ-RQvHAzl8Ez7ExW9bu%26v%3D1%26x%3D3%26a%3DCAog-yGOd2wmthI7ROplZok20LpPN6XMivl-4fgBMcKyuIISJxDxvt6izS0Y8c7Z9tYtIgEAKggByAD_c54GSVIEJ6W551oEkTGj7g%26e%3D1569522607%26k%3D%24%7Buk%7D%26fl%3D%26r%3D3426E997-54D6-418D-8257-2E39AC22B6C6-1%26ckc%3Dcom.apple.largeattachment%26ckz%3D10C9BA5F-5DB5-425C-BB86-10770DC3ACA6%26p%3D55%26s%3DF3H8fid_rga_ysRj5sZJoGExl_A&uk=ZwnpmS_4DAsrIPReLA9J-w&f=Fulla_Characterization_08_2019.pdf&sz=46843498" class="OWAAutoLink" id="LPlnk439742" previewremoved="true" style="text-align: center; text-decoration: none; font-size: 14px; color: rgb(0, 122, 255); display: block; margin: 40px 10px 0px;">Click to Download</a><div class="" style="text-align: center; font-size: 12px; color: rgb(128, 128, 128);"><div class="" style="margin: 4px 10px 0px;">Fulla_Characterization_08_2019.pdf</div><div class="" style="margin: 3px 10px 0px;">46.8 MB</div></div></div><span class="Apple-converted-space"> </span><br class=""><div class=""><br class=""><blockquote type="cite" class=""><div class="">On 26 Aug 2019, at 10:41, Xiaochao Zheng <<a href="mailto:xiaochao@jlab.org" class="OWAAutoLink" id="LPlnk950355" previewremoved="true">xiaochao@jlab.org</a>> wrote:</div><br class="x_Apple-interchange-newline"><div class=""><div id="x_divtagdefaultwrapper" dir="ltr" class="" 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; text-decoration: none; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class="">Dear All:</span><div class=""><div dir="ltr" class=""><div id="x_x_divtagdefaultwrapper" dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><div id="x_x_divtagdefaultwrapper" dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><div class="" style="margin-top: 0px; margin-bottom: 0px;"><span class=""><br class=""></span></div><div class="" style="margin-top: 0px; margin-bottom: 0px;"><span class="">We will have our bi-weekly A1n/d2n meeting tomorrow (Tuesday August 27th) at 2:30pm. For people at JLab we have reserved room CC L207. Bluejean information is pasted at the end of this email.</span><span class=""></span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class=""><span class=""><br class=""></span></span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class=""><span class="">Meeting minutes can be found at:</span><span class=""> <a href="https://hallcweb.jlab.org/experiments/A1n/meetings/A1n_hallc_minutes.ht" class="x_x_x_OWAAutoLink" id="LPlnk21889" previewremoved="true">https://hallcweb.jlab.org/experiments/A1n/meetings/A1n_hallc_minutes.html</a></span></span></div><br class=""><span class=""><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class=""></span></div></span><p class="" style="margin-top: 0px; margin-bottom: 0px;"></p></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class="">Here is a proposed agenda. Please feel free to send me any topics I may have missed:</span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class=""><br class=""></span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class="">1) target test status (can be reported by Junhao and Mingyu, or myself)<br class=""></span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class="">2) target cell production status (anyone from UVa? Otherwise myself)</span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class="">3) raster - if any - Mark</span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class="">4) Moller?</span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class="">5) optics - angle calibration at 1-pass? - Jixie<br class=""></span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class="">6) software/analysis meeting -- Brad? Syvelster?</span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class="">7) Target field gradient calculation, details below (sorry it's a bit long):<br class=""></span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class=""><br class=""></span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class="">- Gordon would like to repeat the target field gradient calculation for the highest x setting, which is 30 deg for HMS and SHMS. After I sent magnet currents settings (calculated by Syvelster) to Steve, Steve said it is very time consuming to remodel the SHMS for 30 deg. In previous study of the highest SHMS momentum setting, in his words:<span class="x_Apple-converted-space"> </span><br class=""></span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class=""><div class="" style="margin-top: 0px; margin-bottom: 0px;"><br class=""></div><div class="" style="margin-top: 0px; margin-bottom: 0px;">"Only the SHMS HB magnet and the nearby steel structure has been modeled at 12.5 degrees. The iron down-stream beam support arm can be "turned off" to approximate the 30 degree setting. Then the Helm-Holtz coils can be rotated relative to the SHMS HB angle in the model.</div><div class="" style="margin-top: 0px; margin-bottom: 0px;">The HMS Q1 has it own separate Tosca model and its fields are just simply added to the Helm-Holtz coil's fields.</div><div class="" style="margin-top: 0px; margin-bottom: 0px;">No other magnets have been included in the previous results. Tosca models for all SHMS and HMS magnets exist, but they are far enough away from the target region that they have no influence at the target."</div><div class="" style="margin-top: 0px; margin-bottom: 0px;"><br class=""></div><div class="" style="margin-top: 0px; margin-bottom: 0px;">So what I'd like to propose, along with questions:</div><div class="" style="margin-top: 0px; margin-bottom: 0px;">1) For the previous 12.5 deg high momentum setting, add HMS Q1 (I think this was what Thia wanted us to do);</div><div class="" style="margin-top: 0px; margin-bottom: 0px;"><br class=""></div><div class="" style="margin-top: 0px; margin-bottom: 0px;">2) For the 30 deg high x setting, model HMS Q1 and SHMS HB along with steel structure at 12.5 deg but with the new current settings. Then rotate the modeled fields by 17.5 deg to mimic the situation at the target location for 30 deg setting. The question here is how much "turning off the <span class="">iron down-stream beam support arm" will affect the accuracy of the results? (this is my main question)</span><br class=""></div><br class=""></span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class="">-One way to figure out the effect of the beam support is to do the 12.5 deg high mometum setting, turn of the iron down-stream beam support arm and compare results.<span class="x_Apple-converted-space"> </span><br class=""></span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class=""><br class=""></span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><span class="">3) Or, given time needed by the above target field work, can we forgo the calculation and rely on in-situ measurement instead? Perhaps we can do this during installation, just turn on all spectrometer magnets, rotate them to the correct angles (12.5 and 30 deg), and measure the field on the target pivot? <br class=""></span></div><div dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><div class=""><div dir="ltr" class=""><div id="x_x_x_divtagdefaultwrapper" dir="ltr" class="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;"><div class="" style="margin-top: 0px; margin-bottom: 0px;"><span class=""><br class=""></span></div><div class="" style="margin-top: 0px; margin-bottom: 0px;"><span class="">Thanks,<br class=""></span></div><div class="" style="margin-top: 0px; margin-bottom: 0px;"><span class=""><br class=""></span></div><div class="" style="margin-top: 0px; margin-bottom: 0px;"><span class="">- Xiaochao<br class=""></span></div><div class="" style="margin-top: 0px; margin-bottom: 0px;"><span class=""><br class=""></span></div><div class="">Meeting URL<br class=""><a href="https://bluejeans.com/4342434032/7479" class="OWAAutoLink" id="LPlnk524547" previewremoved="true">https://bluejeans.com/4342434032/7479</a><br class=""><br class="">Meeting ID<br class="">434 243 4032<br class=""><br class="">Participant Passcode<br class="">7479<br class=""><br class="">Want to dial in from a phone?<br class=""><br class="">Dial one of the following numbers:<br class="">+1.888.240.2560 (US Toll Free)<br class="">(see all numbers -<span class="x_Apple-converted-space"> </span><a href="https://www.bluejeans.com/premium-numbers" class="OWAAutoLink" id="LPlnk752095" previewremoved="true">https://www.bluejeans.com/premium-numbers</a>)<br class=""><br class="">Enter the meeting ID and passcode followed by #<br class=""><br class="">Connecting from a room system?<br class="">Dial: bjn.vc or 199.48.152.152 and enter your meeting ID & passcode</div><br class=""></div></div></div></div></div></div></div></div><span class="" style="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; text-decoration: none; float: none; display: inline !important;">_______________________________________________</span><br class="" style="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; text-decoration: none;"><span class="" style="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; text-decoration: none; float: none; display: inline !important;">A1n_d2n mailing list</span><br class="" style="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; text-decoration: none;"><a href="mailto:A1n_d2n@jlab.org" class="OWAAutoLink" id="LPlnk19440" previewremoved="true" style="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;">A1n_d2n@jlab.org</a><br class="" style="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; text-decoration: none;"><a href="https://mailman.jlab.org/mailman/listinfo/a1n_d2n" class="OWAAutoLink" id="LPlnk919745" previewremoved="true" style="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;">https://mailman.jlab.org/mailman/listinfo/a1n_d2n</a></div></blockquote></div><br class=""></div></div></div></div><br class="Apple-interchange-newline"></div></blockquote></div><br class=""></div></body></html>