EPJ Web of Conferences
Volume 71, 20142nd International Conference on New Frontiers in Physics
|Number of page(s)||9|
|Published online||29 April 2014|
Search for the Standard Model Higgs boson in H → τ+ τ− decays in proton-proton collisions with the ATLAS detector
Georg-August-Universität Göttingen, II. Physikalisches Institut, Friedrich-Hund-Platz 1 37077 Göttingen, Deutschland
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Published online: 29 April 2014
A search for the Standard Model (SM) Higgs boson decaying into a pair of τ leptons is reported. The analysis, exploiting each of the lepton-lepton, lepton-hadron and hadron-hadron di-tau final states, is based on data samples of proton-proton (pp) collisions collected by the ATLAS experiment at the Large Hadron Collider (LHC) and corresponding to integrated luminosities of 4.6 fb−1 and 13:0 fb−1 at center-of-mass energies of √s = 7 TeV and 8 TeV, respectively. The observed (expected) upper limit at 95%CL on the cross-section times the branching ratio for SM H → τ+τ− Cis found to be 1.9(1.2) times the SM prediction for a Higgs boson with mass mH = 125 GeV. For this mass, the observed (expected) deviation from the background-only hypothesis corresponds to a local significance of 1.1 (1.7) standard deviations.
© Owned by the authors, published by EDP Sciences, 2014
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