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Search for Higgs bosons decaying into bb and produced in association with a vector boson in pp collisions at square root of s = 1.8 TeV
Authors:Acosta D  Affolder T  Albrow M G  Ambrose D  Amidei D  Anikeev K  Antos J  Apollinari G  Arisawa T  Artikov A  Ashmanskas W  Azfar F  Azzi-Bacchetta P  Bacchetta N  Bachacou H  Badgett W  Barbaro-Galtieri A  Barnes V E  Barnett B A  Baroiant S  Barone M  Bauer G  Bedeschi F  Behari S  Belforte S  Bell W H  Bellettini G  Bellinger J  Benjamin D  Beretvas A  Bhatti A  Binkley M  Bisello D  Bishai M  Blair R E  Blocker C  Bloom K  Blumenfeld B  Bocci A  Bodek A  Bolla G  Bolshov A  Bortoletto D  Boudreau J  Bromberg C  Brubaker E  Budagov J  Budd H S  Burkett K  Busetto G  Byrum K L  Cabrera S  Campbell M  Carithers W  Carlsmith D  Castro A  Cauz D
Affiliation:University of Florida, Gainesville, Florida 32611, USA.
Abstract:We present a new search for H0V production, where H0 is a scalar Higgs boson decaying into bb with branching ratio beta, and V is a Z0 boson decaying into e+e-, mu+mu-, or nunu. This search is then combined with previous searches for H0V where V is a W+/- boson or a hadronically decaying Z0. The data sample consists of 106 +/- 4 pb(-1) of pp collisions at square root of s = 1.8 TeV accumulated by the Collider Detector at Fermilab. Observing no evidence of a signal, we set 95% Bayesian credibility level upper limits on sigma(pp --> H0V) x beta. For H0 masses of 90, 110, and 130 GeV/c2, the limits are 7.8, 7.2, and 6.6 pb, respectively.
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