Research Papers in Physics and Astronomy


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Published in Physical Review Letters 102, 251801 (2009). Copyright © 2009 The American Physical Society. Used by permission.


We present a search for the standard model Higgs boson using hadronically decaying tau leptons, in 1 fb-1 of data collected with the D0 detector at the Fermilab Tevatron pp collider. We select two final states: τ± plus missing transverse energy and b jets, and τ+τ- plus jets. These final states are sensitive to a combination of associated W/Z boson plus Higgs boson, vector boson fusion, and gluon-gluon fusion production processes. The observed ratio of the combined limit on the Higgs production cross section at the 95% C.L. to the standard model expectation is 29 for a Higgs boson mass of 115 GeV.

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