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Try to calculate the top fraction and compare different model: selection: -100 000 events

Try to calculate the top fraction and compare different model: selection: -100 000 events -number of jets >=4 jets and 1 e or µ -cut on jets Pt jet>50 GeV -identification of W 75GeV<mW<85GeV -identification of bjet with the b tagging use BTAG=0 or 1 file

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Try to calculate the top fraction and compare different model: selection: -100 000 events

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  1. Try to calculate the top fraction and compare different model: • selection: • -100 000 events • -number of jets >=4 jets and 1 e or µ • -cut on jets Pt jet>50 GeV • -identification of W 75GeV<mW<85GeV • -identification of bjet with the b tagging use BTAG=0 or 1 file • -delta R minimum between W and b jet not ready yet • plot of the invariant mass top mass!

  2. mass combo of 2 jets (no b jet BTAG=0) pic of the W mass sutop1 events ttbar events

  3. All jets jet cut >20 GeV All jets jet cut>50 GeV ttb blue: b jet tagging (BTAG=1) red: no b jet tagging (BTAG=0) black: the both sutop1 All jets jet cut>50 GeV

  4. With all selection ttb gmtop1 sutop2 sutop1

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