High mass 'Twin peaks' in HYDJET+Z mixed sample

General considerations

Problem

  • Illustration
  • Data: cfg

Approach

  • Idea
  • Data sample production
  • Sanity production

Results

Extra peak : M[40,80], pT_dimuon>12

  • Mass contribution
  • Detail investigation: id of the 'single' Id and its parent Id
    • muz0_muz0
    • muz0_muf
    • muz0_ff
    • muf_muf
    • muf_ff
    • ff_ff

Summary

  • Tabels with different channels

Conclusions

  • found the contributors, the question is why it appears in the production sample; channel,
  • check:
    • other, hi-central produced minbias samples
    • look in hiSignal and generator separatelly (embedded signal and background only respectively)
    • 'ditrack' invariant mass
    • mismatch between si-track and sta-muon --- run separately sta and si-trk matching, and compare concomitently with the glb-matching

-- CameliaMironov - 15-Jul-2010

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Topic revision: r1 - 2010-07-15 - CameliaMironov
 
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