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<div style="direction: ltr;font-family: Tahoma;color: #000000;font-size: 10pt;">Dear all,<br>
<br>
Previously, I was using GPID vertex information for the eloss corrections. Franz suggested to use MVRT vertex information instead and check if the lab azimuthal angle corrections improve. The reason for suggesting to use MVRT instead of GPID was that the MVRT
vertex is not based on the assumption that the beam went centered through the CLAS detector.<br>
<br>
The lab azimuthal angle offsets have indeed improved after using vertex information from the MVRT bank.<br>
The updated corrections are presented in the following link -<br>
<font size="2"><span style="font-size:10pt;"><br>
<a href="http://www.jlab.org/Hall-B/secure/g9/priyaroy/Phi_lab_corrections_Aug_25.pdf" target="_blank">www.jlab.org/Hall-B/secure/g9/priyaroy/Phi_lab_corrections_Aug_25.pdf</a><br>
<br>
<font size="2">Regards,<br>
<font size="2">Priya</font><br>
</font></span></font><br>
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