<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I don't think that is what he means.... the flux he is normalizing to is the actual flux... the yield of any physics event should be independent of the current.<div>Dennis</div><div><br><div><div>On Mar 21, 2011, at 6:21 PM, Eugene Pasyuk wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
<div text="#000000" bgcolor="#ffffff">
Hi Mukesh,<br>
<br>
This all makes sense. When you increase flux the fraction of
accidental triggers increases.<br>
This is exactly what you see. Yield from low energies which were not
in trigger increases.<br>
<br>
-Eugene<br>
<br>
On 03/21/11 17:09, Mukesh Saini wrote:<br>
<span style="white-space: pre;">> Lei is correct. The increase I
mention is in :<br>
> <br>
> the total omega yield normalised to the photon flux for the
whole<br>
> Tagger for that particular run.<br>
> <br>
> I initially expected a drop-off in the normalised yield with
beam<br>
> current But that is not the case. In fact there is a
substantial<br>
> increase. After staring at all the plots for a while. It
makes sense<br>
> to me.<br>
> <br>
> <br>
> ----- Original Message ----- From: Lei Guo
<a class="moz-txt-link-rfc2396E" href="mailto:lguo@jlab.org"><lguo@jlab.org></a> Date:<br>
> Monday, March 21, 2011 4:38 pm Subject: Re: [G12] Yield Study
To:<br>
> Mukesh Saini <a class="moz-txt-link-rfc2396E" href="mailto:msaini@fsu.edu"><msaini@fsu.edu></a> Cc: <a class="moz-txt-link-abbreviated" href="mailto:g12@jlab.org">g12@jlab.org</a><br>
> <br>
>> <br>
>> On Mar 22, 2011, at 4:00 AM, Mukesh Saini wrote:<br>
>> <br>
>>> Hello All,<br>
>>> <br>
>>> I have summarised the results from the study done on
Omega Yield<br>
>>> <br>
>> for<br>
>>> g12 at different Beam currents (40-80 nA) and we do
observe<br>
>> certain<br>
>>> patterns.<br>
>>> <br>
>>>
<a class="moz-txt-link-freetext" href="http://www.jlab.org/~mukesh/Strangeonia/Analysis/yield_study.pdf">http://www.jlab.org/~mukesh/Strangeonia/Analysis/yield_study.pdf</a><br>
>>> <br>
>>> Observations:<br>
>>> <br>
>>> 1. We see an "increase" in Omega Yield from the whole
Tagger <br>
>>> spectrum as a function of current.<br>
>> <br>
>> Do you mean an increase after it is normalized to flux?<br>
>> <br>
>> Lei ************************************** @ / * / ___
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>> / / / / / / / /<br>
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>> **************************************<br>
>> <br>
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>> <br>
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>> <br>
> <br>
> Graduate Student, Florida State University. <br>
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<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div>--</div><div>Dennis Weygand</div><div><a href="mailto:weygand@jlab.org">weygand@jlab.org</a></div><div>(757) 269-5926</div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span></span>
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