Semileptonic decays of the standard Higgs boson

Details Semileptonic decays of the standard Higgs boson Semileptonic decays of the standard Higgs boson

2009-12-18

arxiv.org/abs/0912.3543v1

JHEP 1004:083,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 5 .eps figures

Scientific paper

10.1007/JHEP04(2010)083

The Higgs boson decay into a pair of real or virtual W bosons, with one of them decaying leptonically, is predicted within the Standard Model to have the largest branching fraction of all Higgs decays that involve an isolated electron or muon, for M_h > 120 GeV. We compute analytically the fully-differential width for this h -> l \nu jj decay at tree level, and then explore some multi-dimensional cuts that preserve the region of large signal. Future searches for semileptonic decays at the Tevatron and LHC, employing fully-differential information as outlined here, may be essential for ruling out or in the Higgs boson and for characterizing a Higgs signal.

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