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T: Fachverband Teilchenphysik

T 79: Higgs: Supersymmetrie

T 79.5: Vortrag

Mittwoch, 26. März 2014, 17:45–18:00, P10

Neutral Higgs searches in the fully hadronic di-tau decay mode in the context of the MSSM — •Sebastian Wahrmund, Dirk Duschinger, Marcus Morgenstern, Wolfgang Mader, and Arno Straessner — Institut für Kern- und Teilchenphysik, Technische Universität Dresden, Deutschland

Although the properties of the newly discovered Higgs boson with a mass around 125 GeV are in agreement with Standard Model (SM) predictions, it still leaves an open parameter space for physics beyond the SM. In this talk the search for additional neutral Higgs bosons is presented in the context of the minimal supersymmetric extension of the Standard Model (MSSM). Within the MSSM the existance of two Higgs doublets is predicted, leading to two charged Higgs states, H^±, and three neutral Higgs states: CP-even h and H, and a CP-odd A. Of particular interest is the decay channel involving tau leptons, since the tau lepton provides the strongest fermion coupling to the Higgs boson among the lepton families. The di-tau decay channel of these neutral Higgs bosons will be discussed, in particular the final state in which both tau leptons decay hadronically. The presentation will provide an overview about the analysis techniques and results for the 2011/2012 searches with the ATLAS experiment.