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Starting a top analysis. M. Cobal, University of Udine Bologna, 12 Feb 2007. Which analysis to join. Several topics uncovered or weakly covered for CSC Ttbar cross section Systematics Comparison of different techniques.(counting, mass fit etc..) Single top cross section Wt channel

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starting a top analysis

Starting a top analysis

M. Cobal, University of Udine

Bologna, 12 Feb 2007

which analysis to join
Which analysis to join
  • Several topics uncovered or weakly covered for CSC
    • Ttbar cross section
      • Systematics
      • Comparison of different techniques.(counting, mass fit etc..)
    • Single top cross section
      • Wt channel
  • New subjects
    • Top width

hep-ph/9704243 (look at section V on page 10

Eur Phys Jour C15 (2000, 2001), “The top Quark”, Revised April 2000

by M. Mangano and T. Trippe

    • Top charge (analysis done in fast simulation)
    • ..
using aod
Using AOD
  • To learn using the AOD, please follow:

https://twiki.cern.ch/twiki/bin/view/Atlas/TriesteAnalysisTutorial1203

The above page is linked from the Physics Analysis Tools (PAT) main page: https://twiki.cern.ch/twiki/bin/view/Atlas/PhysicsAnalysisTools

  • Relevant top samples in AOD format are listed in: https://twiki.cern.ch/twiki/bin/view/Atlas/TopCSC

(Ketevi Assamagan)

using topview
Using Topview
  • To know what is Topview:

https://twiki.cern.ch/twiki/bin/view/Atlas/TopView

  • To have the detailed contents of the ntuples https://twiki.cern.ch/twiki/bin/view/Atlas/TopNtuple
  • To know the preselection applied to objects

https://twiki.cern.ch/twiki/bin/view/Atlas/TopViewPreselection

(Akira Shibata)

topview ntuple availability
TopView ntuple availability
  • Akira is producing ntuples for all samples whose AOD is available
  • Availability is described in detail on the wiki: https://twiki.cern.ch/twiki/bin/view/Atlas/TopNtupleAvailability
  • Many (not all, missing W+Jets and some of the newly created samples) AOD\'s are available in release 11 production but CSC 12 production is still at validation stage.
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