<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="">FX,<div class=""><br class=""></div><div class="">I do not think you can count 39 days of low luminosity as 20 days of full luminosity. If you look proposal E12-11-005, the low luminosity meant to be x20 lower that the nominal. So, in our estimate we ignored it completely and assumed all in all (inbending+outbending) 100 days of high luminosity, 10^{35} cm^{-2} sec{-1}.</div><div class=""><br class=""></div><div class="">Stepan</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Oct 10, 2018, at 7:16 AM, Francois-Xavier Girod <<a href="mailto:fxgirod@jlab.org" class="">fxgirod@jlab.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div dir="ltr" class="">Yes, there is some low luminosity in the approved PAC days, and we need to agree on how to include this in our luminosity estimation to show at DNP</div><div dir="ltr" class=""><br class=""><div class="">When using 100 days inbending and 20 days outbending, we followed the summary:</div><div class=""><a href="https://www.jlab.org/Hall-B/clas12-web/Hall_B_experiment_run_groups.pdf" class="">https://www.jlab.org/Hall-B/clas12-web/Hall_B_experiment_run_groups.pdf</a><br class=""></div><div class=""><br class=""></div><div class="">It says</div><div class="">(1) E12-11-005 requires lower
luminosity operation for 39 days. Experiment E12-12-001 declared that 80 days
plus the 39 days additional low luminosity days are equivalent to the total of 100
days </div><div class="">(2) E12-12-001 received approval for additional 20 days of running at reversed
Torus polarity</div><div class=""><br class=""></div><div class="">Also we would like to confirm the numbers 7.9e-3 C for Inbending and 7.1e-3 C for Outbending</div><div class=""><br class=""></div><div class="">Best regards</div><div class="">FX</div></div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="">On Wed, Oct 10, 2018 at 1:09 PM Stepan Stepanyan <<a href="mailto:stepanya@jlab.org" class="">stepanya@jlab.org</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class="">FX,<div class=""><br class=""></div><div class="">Yes, this is close enough. I think there is some portion with low luminosity in proposed beam time, accounting which it took me to 2.3%, but it is fine at this level.</div><div class=""><br class=""></div><div class="">I think everybody should use the same number on their slides.</div><div class=""> </div><div class="">Thanks, Stepan</div><div class=""><br class=""><div class=""><blockquote type="cite" class=""><div class="">On Oct 10, 2018, at 6:58 AM, Francois-Xavier Girod <<a href="mailto:fxgirod@jlab.org" target="_blank" class="">fxgirod@jlab.org</a>> wrote:</div><br class="m_-7734539732365616309Apple-interchange-newline"><div class=""><div dir="ltr" class="">Dear Stepan, all<div class=""><br class=""></div><div class="">There are the numbers we have</div><div class=""><br class=""></div><div class=""><div class="">Inbending PAC days: 75 nA x 100 days = 0.648 C</div><div class="">Outbending PAC days: 75 nA x 20 days = 0.129 C</div><div class=""><br class=""></div><div class="">Using the numbers from Joseph you quoted above</div><div class="">Inbending fraction: 7.9e-3 / 0.648 = 1.2%</div><div class="">Outbending fraction: 7.1e-3 / 0.129 = 5.5%</div><div class="">Total fraction: 0.015 / 0.7776 = 1.9%</div></div><div class=""><br class=""></div><div class="">Best regards</div><div class="">FX</div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="">On Wed, Oct 10, 2018 at 12:40 PM Stepan Stepanyan <<a href="mailto:stepanya@jlab.org" target="_blank" class="">stepanya@jlab.org</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello Pierre,<br class="">
<br class="">
Yesterday at our l+l- meeting Joseph showed accumulated change for intending and outbidding runs that you and him are analyzing. It is ~15 mC, which corresponds to ~2.3% of total experiment charge (100 days with 75 nA). Ask Joseph for details, he used gated Faraday cup readings from data.<br class="">
<br class="">
Stepan<br class="">
<br class="">
> On Oct 9, 2018, at 10:02 PM, Raffaella De Vita <<a href="mailto:Raffaella.Devita@ge.infn.it" target="_blank" class="">Raffaella.Devita@ge.infn.it</a>> wrote:<br class="">
> <br class="">
> Hello Pierre,<br class="">
> I’m cc’ing FX and Will who can provide this information.<br class="">
> Best regards,<br class="">
> Raffaella<br class="">
> <br class="">
>> On 09 Oct 2018, at 11:17, Pierre Chatagnon <<a href="mailto:chatagnon@ipno.in2p3.fr" target="_blank" class="">chatagnon@ipno.in2p3.fr</a>> wrote:<br class="">
>> <br class="">
>> Hello Raffa,<br class="">
>> <br class="">
>> For the DNP meeting, I would like to include the current percentage of cooked data available now.<br class="">
>> From my estimation using Clas12mon I get around 5% of the total Sping run.<br class="">
>> I have seen other estimations.<br class="">
>> I would like to know if there will be an official number to give at the DNP.<br class="">
>> <br class="">
>> Thanks in advance<br class="">
>> <br class="">
>> Cheers <br class="">
>> Pierre<br class="">
> <br class="">
> <br class="">
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