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

CollaborationWith : Clark, Allan Geoffrey / Garcia Navarro, Jose Enrique / Vallecorsa, Sofia / Wu, Xin
Published in Physical Review. D. 2009, vol. 80, no. 07, p. 071101
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 pp 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−1 we see no evidence of a Higgs boson with a mass between 100  GeV/c2 and 150  GeV/c2. We set 95% confidence level upper limits on the cross section for ZH production as a function of the Higgs boson mass mH; the limit is 8.2 times the standard model prediction at mH=115  GeV/c2.
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CDF COLLABORATION. Search for the Higgs boson produced in association with Z -> ℓ+ using the matrix element method at CDF II. In: Physical Review. D, 2009, vol. 80, n° 07, p. 071101. https://archive-ouverte.unige.ch/unige:38634

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Deposited on : 2014-07-14

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