Search for Higgs bosons decaying to WW in e+ e- collisions at LEP
Collaboration
30 pages
Published in:
- Eur.Phys.J.C 49 (2007) 439-455
e-Print:
- hep-ex/0605079 [hep-ex]
Report number:
- CERN-PH-EP-2006-011
Experiments:
Citations per year
Abstract:
A search for Higgs bosons produced in association with a fermion pair, and decaying to WW, is performed with the data collected by the ALEPH detector at centre-of-mass energies ranging from 191 to 209 GeV. The data correspond to an integrated luminosity of 453.2 pb^-1. Thirteen exclusive selections are developed according to the different final state topologies. No statistically significant evidence for a Higgs boson decaying into a WW pair has been found. An upper limit is derived, as a function of the Higgs boson mass, on the product of the e+e- -> Hff cross section and the H -> WW branching ratio. The data on the search for H -> WW are combined with previously published ALEPH results on the search for H -> gamma gamma, to significantly extend the limits on the mass of a fermiophobic Higgs boson.Note:
- 29 pages, 10 figures, Submitted to The European Physical Journal C
- electron positron: colliding beams
- electron positron: annihilation
- Higgs particle: search for
- fermion: pair production
- Higgs particle: associated production
- Higgs particle: decay
- W: pair production
- Higgs particle: mass
- channel cross section: branching ratio
- mass dependence
References(28)
Figures(22)