Search for a Low-Mass Standard Model Higgs Boson in the ττ Decay Channel in pp¯ Collisions at s=1.96 TeV
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We report on a search for the standard model Higgs boson decaying into pairs of τ leptons in pp collisions produced by the Tevatron at sqrt[s]=1.96 TeV. The analyzed data sample was recorded by the CDFII detector and corresponds to an integrated luminosity of 6.0 fb(-1). The search is performed in the final state with one τ decaying leptonically and the second one identified through its semihadronic decay. Since no significant excess is observed, a 95% credibility level upper limit on the production cross section times branching ratio to the ττ final state is set for hypothetical Higgs boson masses between 100 and 150 GeV/c2. For a Higgs boson of 120 GeV/c2 the observed (expected) limit is 14.6 (15.3) the predicted value.
author list (cited authors)
Aaltonen, T., González, B., Amerio, S., Amidei, D., Anastassov, A., Annovi, A., ... Zucchelli, S.