Difference: 05262012UncertaintyFromBackgroundSubtraction (2 vs. 3)

Revision 32012-05-29 - Ssakai

Line: 1 to 1
 
META TOPICPARENT name="Analysis"

Overview

Changed:
<
<
  • E/p with/without M20
  • Hadron contamination study
>
>
  • Compared raw electronspectrum with/without M20 cut
  • Hadron contaminations were estimated by using E/p (nSigma<-3.5) in both case
 
  • EMCal trigger (0-10%)

Related analysis

Line: 11 to 11
 

Results

Added:
>
>
  • Hadron contamination in the spectrum with/without M20 cut
Pic_ContaminationCompM20.png
  • Raw electron spectrum with/without M20 cut after background subtraction
 Pic_EleSubComp.png Pic_EleSubCompRatio.png
Changed:
<
<
>
>
  • with M20<0.3, we improve the hadron contamination around 10%, but not lose electrons
  -- ShingoSakai - 26-May-2012

META FILEATTACHMENT attachment="Pic_EleSubComp.png" attr="" comment="" date="1338064245" name="Pic_EleSubComp.png" path="Pic_EleSubComp.png" size="9039" user="b42b070992d0392eba65" version="1"
META FILEATTACHMENT attachment="Pic_EleSubCompRatio.png" attr="" comment="" date="1338064287" name="Pic_EleSubCompRatio.png" path="Pic_EleSubCompRatio.png" size="7831" user="b42b070992d0392eba65" version="1"
Added:
>
>
META FILEATTACHMENT attachment="Pic_ContaminationCompM20.png" attr="" comment="" date="1338306868" name="Pic_ContaminationCompM20.png" path="Pic_ContaminationCompM20.png" size="9839" user="b42b070992d0392eba65" version="1"
 
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