<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<div class="" style="word-wrap:break-word; line-break:after-white-space">Dear Tony,
<div class=""><br class="">
</div>
<div class="">Thank you for looking into this. I must admit that I’m not entirely sure I follow the full line of reasoning (and unfortunately I had to leave early on Tuesday). I tried redoing my epX fits with the accumulated charges that come straight out of
HEL_SCALER and with imposing your suggested getFloat("clock",0) > 30000 and, as you allude to, it thankfully makes a very very negligible difference. For example, for the PT beam-spin asymmetry: a + b sin(phi) for the a values I get (the first value is <PT>,
the second value is a and the third value is the uncertainty on a):</div>
<div class=""><br class="">
</div>
<div class="">
<div class="">{{0.123649, 0.000562477, 0.00130613}, {0.275275, -0.000327254, 0.000762493}, {0.444372, 0.00003, 0.0007719}, {0.616924, -0.00067699, 0.00108001}, {0.833187, -0.00337556, 0.00161188}}</div>
<div class=""><br class="">
</div>
<div class="">vs</div>
<div class=""><br class="">
</div>
<div class="">
<div class="">{{0.123649, 0.000563902, 0.00130613}, {0.275275, -0.000325848, 0.000762493}, {0.444372, 0.000032, 0.0007719}, {0.616924, -0.000675556, 0.00108001}, {0.833187, -0.00337414, 0.00161188}}</div>
</div>
<div><br class="">
</div>
<div><br class="">
</div>
<div></div>
</div>
</div>
<div style="word-wrap:break-word; line-break:after-white-space">
<div>
<div></div>
<div><span class="" style="background-color:rgb(254,254,254)"><br class="">
</span></div>
<div></div>
</div>
</div>
<div style="word-wrap:break-word; line-break:after-white-space">
<div>
<div></div>
<div><span class="" style="background-color:rgb(254,254,254)"><br class="">
</span></div>
<div><span class="" style="background-color:rgb(254,254,254)">A similar story for the target-spin asymmetry:</span></div>
<div><span class="" style="background-color:rgb(254,254,254)"><br class="">
</span></div>
<div></div>
</div>
</div>
<div class="" style="word-wrap:break-word; line-break:after-white-space">
<div class="">
<div></div>
<div><br class="">
</div>
<div><span class="" style="background-color:rgb(254,254,254)">I observed a similar negligible effect on the extraction of dilution factors.</span></div>
<div><span class="" style="background-color:rgb(254,254,254)"><br class="">
</span></div>
<div><span class="" style="background-color:rgb(254,254,254)">Best regards,</span></div>
<div><span class="" style="background-color:rgb(254,254,254)">Timothy </span></div>
<div><span class="" style="background-color:rgb(254,254,254)"><br class="">
</span></div>
<div><span class="" style="background-color:rgb(254,254,254)"><br class="">
</span>
<blockquote type="cite" class="">
<div class="">On Aug 1, 2023, at 9:43 AM, tforest--- via Rgc_analysis <<a href="mailto:rgc_analysis@jlab.org" class="">rgc_analysis@jlab.org</a>> wrote:</div>
<br class="x_Apple-interchange-newline">
<div class="">
<div class="">*Message sent from a system outside of UConn.*<br class="">
<br class="">
<br class="">
Fellow collaborators:<br class="">
<br class="">
Base on today's discussion, I would suggest changing the line in<br class="">
<a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__fccup-5Freading.cc_&d=DwMGaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=aSEBncnFTdfouxOejKajYG--Ygz0DFQolIcHUhF20pw&m=4iYZun8w4Flyo9wWCOwsSC05I_d4LAuN1cggtVq_g4H78p2eLLuOdLnVdDs6S7Gv&s=XP3Zi5aHXfjV9uY28vb0WeeILC4ROa_qVPLuTdJii-M&e=" class="">FCcup_reading.cc</a> from<br class="">
<br class="">
if(HEL_SCALER.getRows()>0)<br class="">
<br class="">
to be<br class="">
<br class="">
if(HEL_SCALER.getRows()>0 && HEL_SCALER.getFloat("clock",0) > 30000)<br class="">
<br class="">
It should help ensure reliable results. Only one run, 16535, had a<br class="">
relative changed of more than 1% with the suggested cut above.<br class="">
<br class="">
Tony<br class="">
<br class="">
_______________________________________________<br class="">
Rgc_analysis mailing list<br class="">
<a href="mailto:Rgc_analysis@jlab.org" class="">Rgc_analysis@jlab.org</a><br class="">
https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmailman.jlab.org%2Fmailman%2Flistinfo%2Frgc_analysis&data=05%7C01%7Ctimothy.hayward%40uconn.edu%7C5f3e0a48c8304b97656908db9295450c%7C17f1a87e2a254eaab9df9d439034b080%7C0%7C0%7C638264942035825953%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=hB4ahYyGZpnwT8GLEpoG7%2ByyteCH8cBwWih556r2bMs%3D&reserved=0<br class="">
</div>
</div>
</blockquote>
</div>
<br class="">
</div>
</div>
</body>
</html>