<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Prof. Gasparan,</div><div class="">1.</div><div class="">This sentence reads odd to me: “A comprehensive fitting program has been developed to extract the proton radius from the measured data including different charge distributions and forms of electric form factor for the proton radius independent extraction.”.</div><div class=""><br class=""></div><div class="">The essence of these programs is “A comprehensive fitting program has been developed to extract the proton radius from the measured data, with the ability to fit in a manner of <b class="">model independent</b> polynomial expansion with multiple parameters, and a manner <b class="">using existing models</b> for proton charge distribution which reduces the number of free parameters.”</div><div class=""><br class=""></div><div class="">Basically, using these programs, one can fit the GE vs. Q^2 from data with polynomials, in both model-independent (multiple parameters, larger fitting uncertainty for radius, as Ingo Sick proposed in his papers) and model-dependent way (only radius is a parameter, all higher moments are functions of it).</div><div class=""><br class=""></div><div class="">And probably you and other people can help to make this sentence conciser, and more impressive?</div><div class=""><br class=""></div><div class="">2.</div><div class="">The cosmic rejection methods, based on cuts of # of clusters, etc. or the machine learning have been combined for the GEM-HyCal matching efficiency in the<b class=""> real data</b> already, as Weizhi showed last Friday. </div><div class=""> So I think the sentence “Different “cosmic event” rejection models/codes have been developed/adopted for the final simulations” should be “Different “cosmic event” rejection models/codes have been developed/adopted” (final words “for the final simulations” removed).</div><div class=""><br class=""></div><div class="">These are just my humble opinions, which could be wrong or naive.</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Thanks,</div><div class="">Xuefei</div><div class=""><br class=""></div><div class=""><br class=""></div><br class=""><div><blockquote type="cite" class=""><div class="">On Sep 27, 2017, at 9:43 PM, <a href="mailto:gasparan@jlab.org" class="">gasparan@jlab.org</a> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class=""><br class=""> Dear All,<br class=""><br class=""> The draft text of the Volker's report is attached.<br class=""> Sorry for this short notice but, we need to send it to Volker<br class=""> sometime in Tomorrow, Thursday afternoon.<br class=""><br class=""> Please send your comments by the noon.<br class=""><br class=""> Thanks,<br class=""> Ashot<br class=""><span id="cid:A523D213-8BF8-4EC6-BAD2-DCB6CEEF32B6"><For_Volker_September_25_2017_Prad_status.ppt></span>_______________________________________________<br class="">PRad mailing list<br class=""><a href="mailto:PRad@jlab.org" class="">PRad@jlab.org</a><br class="">https://urldefense.proofpoint.com/v2/url?u=https-3A__mailman.jlab.org_mailman_listinfo_prad&d=DwICAg&c=imBPVzF25OnBgGmVOlcsiEgHoG1i6YHLR0Sj_gZ4adc&r=mJm3PKg4LZ6Cc2JiRAhDxnnCp7RLhrQN8gHTwmyHvJI&m=I_nyLfdCNLoNtueRwsVIes7IlG19rTjMoNEcKRUTGwo&s=bme2wDvAIgvyP0qtdH37XSITxnosLYqZOrFJx34BdCg&e= <br class=""></div></div></blockquote></div><br class=""></body></html>