Outline LhC and atlas detector Standard Model, Higgs mechanism and its cross-section and branching ratio Show the most updated results of 2011+2012 N H→Y ●H→ZZ→4l ●H→→WW Combination of 2011+2012 ● Conclusion 2/2/2021Outline  LHC and ATLAS detector.  Standard Model, Higgs Mechanism and its cross-section and branching ratio.  Show the most updated results of 2011+2012  H→γγ  H→ZZ→4l  H→WW  Combination of 2011+2012  Conclusion 2 2/2/2021