Difference: PaulineBernat (1 vs. 4)

• Gap fraction versus Delta Rapidity as simulated with HEJ and Powheg at the parton level:
  

• Average number of jets versus Delta Rapidity as simulated with HEJ and Powheg at the parton level:
  

• Gap fraction versus the average pT as simulated with HEJ and Powheg at the parton level:
  

• Average number of jets versus the average pT as simulated with HEJ and Powheg at the parton level:
  

• Gap fraction versus Q0 (jet pt veto) as simulated with HEJ and Powheg at the parton level:
  

2.- Powheg reweighiting by HEJ

• Gap fraction versus Delta Rapidity as simulated with Powheg at the jet level, before and after reweighting by HEJ:
  

• Average number of jets versus Delta Rapidity as simulated with Powheg at the jet level, before and after reweighting by HEJ::
  

• Gap fraction versus the average pT as simulated with Powheg at the jet level, before and after reweighting by HEJ::
  

• Average number of jets versus the average pT as simulated with Powheg at the jet level, before and after reweighting by HEJ::
  

• Gap fraction versus Q0 (jet pt veto) as simulated with Powheg at the jet level, before and after reweighting by HEJ::
  

a) cut: 120<pt(avg)<150; plots: Gap fraction versus dY and average number of jets versus dY

b) cut: 2<dY<3; plots: Gap fraction versus pt(avg) and average number of jets vs pt(avg)
 <img width="721" alt="GapFraction_pTaverage_HEJ_Powheg_BinAndy.gif" src="%ATTACHURLPATH%/GapFraction_pTaverage_HEJ_Powheg_BinAndy.gif" height="365"></img>

c) cut: 120<pt(avg)<150 and 2<dY<3; plots: Gap fraction vs Q0.  (Q0 cut changed  by +5GeV each time, starting at Q0=30GeV
 

Gaps Between Jets Analysis

HEJ versus Powheg

1.- Parton Level

a) cut: 120<pt(avg)<150; plots: Gap fraction versus dY and av

erage number of jets versus dY
 
b) cut: 2<dY<3; plots: Gap fraction versus pt(avg) and average number of jets vs pt(avg)

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