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Search for Higgs bosons decaying to WW in $e^{+}e^{-}$ collisions at LEP (2006) |
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Abstract |
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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. |
Publication details |
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