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Abstract:
We present an update of the CDF search for a Standard Model Higgs boson decaying
into a pair of W bosons using the eτ and μτ signatures.
Using 8.2 fb-1 of data collected with the high-pT electron
and muon triggers, we reconstruct and select all candidate events with either an
electron or a muon and a hadronic tau in the final state.
We expect 651 ± 106 background events in the eτ channel and 478 ±
71 events in the μτ channel and 1.27 ± 0.14 and 0.875 ± 0.099 signal events, respectively,
for a Higgs mass of 160 GeV/c2. In data we observe 658 eτ events
and 494 μτ events.
We set a 95% C.L. upper limit on σ/σSM of 23.3 for a
Higgs mass hypothesis of 160 GeV/c2. The expected 95% C.L. upper limit
for the same mass is 15.6.
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Supporting Documents:
More details are provided in the public note.
The previous result with 7.1 fb-1 may be found here.
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General Remarks:
The preliminary results were blessed in the Higgs Group on July 19, 2011 for the Summer 2011 Conferences.
Please contact us
if you have any questions about including these results in a presentation.
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