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Search for the Higgs boson produced in association with Z-->l^{+}l^{-} using the matrix element method at CDF II

Author(s)
Xie, Si; Paus, Christoph M. E.; Knuteson, Bruce O.; Henderson, C.; Hahn, Kristian Allan; Goncharov, Maxim; Gomez-Ceballos, Guillelmo; Choudalakis, Georgios; Makhoul, Khaldoun; Bauer, Gerry P; ... Show more Show less
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Alternative title
Search for the Higgs boson produced in association with Z→ℓ[superscript +]ℓ[superscript -] using the matrix element method at CDF II
Terms of use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
We present a search for associated production of the standard model Higgs boson and a Z boson where the Z boson decays to two leptons and the Higgs decays to a pair of b quarks in pp̅ collisions at the Fermilab Tevatron. We use event probabilities based on standard model matrix elements to construct a likelihood function of the Higgs content of the data sample. In a CDF data sample corresponding to an integrated luminosity of 2.7  fb[superscript -1] we see no evidence of a Higgs boson with a mass between 100  GeV/c[superscript 2] and 150  GeV/c[superscript 2]. We set 95% confidence level upper limits on the cross section for ZH production as a function of the Higgs boson mass m[subscript H]; the limit is 8.2 times the standard model prediction at m[subscript H]=115  GeV/c[superscript 2].
Date issued
2009-10
URI
http://hdl.handle.net/1721.1/52710
Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review D
Publisher
American Physical Society
Citation
CDF Collaboration et al. “Search for the Higgs boson produced in association with Z-->l^{+}l^{-} using the matrix element method at CDF II.” Physical Review D 80.7 (2009): 071101. © 2009 The American Physical Society
Version: Final published version
ISSN
1550-2368
1550-7998

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