12-15 July 2011
Saint George Hotel
Africa/Johannesburg timezone
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Search for the Standard Model Higgs boson to WW with a hadronic tau channel

Presented by Prof. Simon CONNELL on 14 Jul 2011 from 17:00 to 19:00
Type: Poster Presentation
Session: Poster2
Track: Track B - Nuclear, Particle and Radiation Physics


<p>In the large mass region, the dominant decay mode of the Higgs boson is to two W bosons, where the Higgs can be produced via either gluon fusion or vector boson fusion. Of the possible W decay modes, the current analyses focus on the W(->l nu)W(->l nu) decay channels where the lepton is either an electron or muon. At a center of mass energy of 7 TeV, the results from the ATLAS detector are combined for each of the three modes ee, e mu, or mu mu, in order to maximise the signal sensitivity. We investigate the possible sensitivity gained in including a single hadronic tau channel (W->tau nu->(tau_had nu) nu) in this analysis, and discuss the method in comparison to the standard H->WW->l nu l nu search. Our work currently focuses on the hadronic tau identification and understanding the jet -> tau fake rate.

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Room: Asteria

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