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Hello everyone,<br>
<br>
Below are photon energy correction functions for EC from Annie <br>
derived for e1-6 data set. It will work for some degree for us as
well.<br>
Usage is teh following:<br>
<pre wrap="">P_gamma=E_EC/(0.272*f(x))
where x=E_EC (E_EC==Etot)
Dave and Bayram should be able to use them
</pre>
Regards, Stepan<br>
<br>
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<th align="RIGHT" nowrap="nowrap" valign="BASELINE">Subject: </th>
<td>Re: Photon Energy correction.</td>
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<th align="RIGHT" nowrap="nowrap" valign="BASELINE">Date: </th>
<td>Mon, 20 Aug 2012 03:27:30 -0400 (EDT)</td>
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<th align="RIGHT" nowrap="nowrap" valign="BASELINE">From: </th>
<td><a class="moz-txt-link-abbreviated" href="mailto:annie@jlab.org">annie@jlab.org</a></td>
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<th align="RIGHT" nowrap="nowrap" valign="BASELINE">To: </th>
<td>Stepan Stepanyan <a class="moz-txt-link-rfc2396E" href="mailto:stepanya@jlab.org"><stepanya@jlab.org></a></td>
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<br>
<br>
<pre>
Final correction functions:
f(x)=p0+p1/x+p2/x^2 +p3/x^3
for photons from different sectors::::
p0=1.21299
p1=-0.0391713
p2=0.00306506
p3=0.000098974
for photons from the same sector::::
p0=1.18472
p1=-0.0327235
p2=0.00243047
p3=-0.0001301
Regards,
Annie.
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