Search for the Higgs boson in the all-hadronic final state using the CDF II detector

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http://hdl.handle.net/10138/28170

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Aaltonen , T , Brücken , E , Devoto , F , Mehtälä , P , Orava , R & CDF Collaboration 2011 , ' Search for the Higgs boson in the all-hadronic final state using the CDF II detector ' , Physical Review D : Particles, Fields, Gravitation and Cosmology , vol. 84 , no. 5 , pp. 052010 . https://doi.org/10.1103/PhysRevD.84.052010

Title: Search for the Higgs boson in the all-hadronic final state using the CDF II detector
Author: Aaltonen, T.; Brücken, E.; Devoto, F.; Mehtälä, P.; Orava, R.; CDF Collaboration
Contributor: University of Helsinki, Department of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Department of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Department of Physics
Date: 2011-09-29
Language: eng
Number of pages: 13
Belongs to series: Physical Review D : Particles, Fields, Gravitation and Cosmology
ISSN: 1550-7998
URI: http://hdl.handle.net/10138/28170
Abstract: We report on a search for the production of the Higgs boson decaying to two bottom quarks accompanied by two additional quarks. The data sample used corresponds to an integrated luminosity of approximately 4  fb-1 of pp̅ collisions at √s=1.96  TeV recorded by the CDF II experiment. This search includes twice the integrated luminosity of the previous published result, uses analysis techniques to distinguish jets originating from light flavor quarks and those from gluon radiation, and adds sensitivity to a Higgs boson produced by vector boson fusion. We find no evidence of the Higgs boson and place limits on the Higgs boson production cross section for Higgs boson masses between 100  GeV/c2 and 150  GeV/c2 at the 95% confidence level. For a Higgs boson mass of 120  GeV/c2, the observed (expected) limit is 10.5 (20.0) times the predicted standard model cross section.
Subject: 114 Physical sciences
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