Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-06-02
Phys.Rev. D60 (1999) 113004; Erratum-ibid. D61 (2000) 099901
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, 4 PS figs; references updated, top-quark backgrounds corrected in tables
Scientific paper
10.1103/PhysRevD.60.113004
Weak boson fusion promises to be a copious source of intermediate mass Standard Model Higgs bosons at the LHC. The additional very energetic forward jets in these events provide for powerful background suppression tools. We analyze the H -> W^(*)W^(*) -> e mu pTmiss decay mode for a Higgs boson mass in the 130-200 GeV range. A parton level analysis of the dominant backgrounds (production of W pairs, tt~ and Z -> tau tau in association with jets) demonstrates that this channel allows the observation of H -> W^(*)W^(*) in a virtually background-free environment, yielding a significant Higgs boson signal with an integrated luminosity of 5 fb^-1 or less. Weak boson fusion achieves a much better signal to background ratio than inclusive H -> e mu pTmiss and is therefore the most promising search channel in the 130-200 GeV mass range.
Rainwater David
Zeppenfeld Dieter
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