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Search for the standard model Higgs boson produced through vector boson fusion and decaying to $b\bar{b}$


CMS Collaboration; Khachatryan, V; Sirunyan, A M; Tumasyan, A; Aarrestad, T K; Amsler, C; Caminada, L; Canelli, F; Chiochia, V; De Cosa, A; Galloni, C; Hinzmann, A; Hreus, T; Kilminster, B; Lange, C; Ngadiuba, J; Pinna, D; Robmann, P; Ronga, F J; Salerno, D; Taroni, S; Yang, Y; et al (2015). Search for the standard model Higgs boson produced through vector boson fusion and decaying to $b\bar{b}$. Physical Review D (Particles, Fields, Gravitation and Cosmology), 92:032008.

Abstract

A first search is reported for a standard model Higgs boson ($H$) that is produced through vector boson fusion and decays to a bottom-quark pair. Two data samples, corresponding to integrated luminosities of 19.8 inverse femtobarns and 18.3 inverse femtobarns of proton-proton collisions at $\sqrt{s}$ = 8 TeV were selected for this channel at the CERN LHC. The observed significance in these data samples for a H to b bbar signal at a mass of 125 GeV is 2.2 standard deviations, while the expected significance is 0.8 standard deviations. The fitted signal strength $\mu = \sigma/\sigma_{SM}$ = 2.8 + 1.6 - 1.4. The combination of this result with other CMS searches for the Higgs boson decaying to a b-quark pair, yields a signal strength of $1.0 \pm 0.4$, corresponding to a signal significance of 2.6 standard deviations for a Higgs boson mass of 125 GeV.

Abstract

A first search is reported for a standard model Higgs boson ($H$) that is produced through vector boson fusion and decays to a bottom-quark pair. Two data samples, corresponding to integrated luminosities of 19.8 inverse femtobarns and 18.3 inverse femtobarns of proton-proton collisions at $\sqrt{s}$ = 8 TeV were selected for this channel at the CERN LHC. The observed significance in these data samples for a H to b bbar signal at a mass of 125 GeV is 2.2 standard deviations, while the expected significance is 0.8 standard deviations. The fitted signal strength $\mu = \sigma/\sigma_{SM}$ = 2.8 + 1.6 - 1.4. The combination of this result with other CMS searches for the Higgs boson decaying to a b-quark pair, yields a signal strength of $1.0 \pm 0.4$, corresponding to a signal significance of 2.6 standard deviations for a Higgs boson mass of 125 GeV.

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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:19 February 2015
Deposited On:18 Feb 2016 13:33
Last Modified:05 Apr 2016 20:09
Publisher:American Physical Society
ISSN:1550-7998
Publisher DOI:https://doi.org/10.1103/PhysRevD.92.032008
Other Identification Number:arXiv:1506.01010v3

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