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Searches for the Higgs boson decaying to W+W−→ℓ+νℓ−ν¯ with the CDF II detector


CDF Collaboration; et al; Canelli, F; Kilminster, B (2013). Searches for the Higgs boson decaying to W+W−→ℓ+νℓ−ν¯ with the CDF II detector. Physical Review D (Particles, Fields, Gravitation and Cosmology), 88(5):052012.

Abstract

We present a search for a standard model Higgs boson decaying to two W bosons that decay to leptons using the full data set collected with the CDF II detector in s√=1.96  TeV pp¯ collisions at the Fermilab Tevatron, corresponding to an integrated luminosity of 9.7  fb−1. We obtain no evidence for production of a standard model Higgs boson with mass between 110 and 200  GeV/c2, and place upper limits on the production cross section within this range. We exclude standard model Higgs boson production at the 95% confidence level in the mass range between 149 and 172  GeV/c2, while expecting to exclude, in the absence of signal, the range between 155 and 175  GeV/c2. We also interpret the search in terms of standard model Higgs boson production in the presence of a fourth generation of fermions and within the context of a fermiophobic Higgs boson model. For the specific case of a standard-model-like Higgs boson in the presence of fourth-generation fermions, we exclude at the 95% confidence level Higgs boson production in the mass range between 124 and 200  GeV/c2, while expecting to exclude, in the absence of signal, the range between 124 and 221  GeV/c2.

Abstract

We present a search for a standard model Higgs boson decaying to two W bosons that decay to leptons using the full data set collected with the CDF II detector in s√=1.96  TeV pp¯ collisions at the Fermilab Tevatron, corresponding to an integrated luminosity of 9.7  fb−1. We obtain no evidence for production of a standard model Higgs boson with mass between 110 and 200  GeV/c2, and place upper limits on the production cross section within this range. We exclude standard model Higgs boson production at the 95% confidence level in the mass range between 149 and 172  GeV/c2, while expecting to exclude, in the absence of signal, the range between 155 and 175  GeV/c2. We also interpret the search in terms of standard model Higgs boson production in the presence of a fourth generation of fermions and within the context of a fermiophobic Higgs boson model. For the specific case of a standard-model-like Higgs boson in the presence of fourth-generation fermions, we exclude at the 95% confidence level Higgs boson production in the mass range between 124 and 200  GeV/c2, while expecting to exclude, in the absence of signal, the range between 124 and 221  GeV/c2.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2013
Deposited On:20 Feb 2014 08:00
Last Modified:05 Apr 2016 17:37
Publisher:American Physical Society
ISSN:1550-2368
Publisher DOI:https://doi.org/10.1103/PhysRevD.88.052012

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