Search for SM Higgs via ATLAS detector

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Search for SM Higgs via ATLAS detector
??? ??????????? University of Wisconsin,
Madison yaquan.fang_at_cern.ch ????????
May 29th, 2012
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introduction

• LHC and ATLAS detector.
• Standard Model, Higgs Mechanism and its
  cross-section and branching ratio.
• Show the most updated results channel by channel.
  
• H???
• H?ZZ?4l
• H?ZZ?ll??,llqq, H?WW, H?bb, H? tt (very brief).
• Combined results for full 2011data.
• Conclusion and outlook for 2012

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LHC (Large Hadron Collider)

• 100 meters underground, ring with radius 4.3
  kilometers
• CM energy 2012,8 TeV, 2011, 7 TeV
• Four experiment ATLAS,CMS, ALICE,LHCb

4.3 kilometers
Higgs,