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Search for a Higgs boson in the mass range from 145 to 1000 GeV decaying to a pair of $W$ or $Z$ bosons


CMS Collaboration; Khachatryan, V; Sirunyan, A M; Tumasyan, A; Amsler, C; Canelli, F; Chiochia, V; De Cosa, A; Hinzmann, A; Hreus, T; Kilminster, B; Lange, C; Mejias, B M; Ngadiuba, J; Pinna, D; Robmann, P; Ronga, F J; Taroni, S; Verzetti, M; Yang, Y; et al (2015). Search for a Higgs boson in the mass range from 145 to 1000 GeV decaying to a pair of $W$ or $Z$ bosons. Journal of High Energy Physics, 2015(10):144.

Abstract

A search for a heavy Higgs boson in the $H \to WW$ and $H \to ZZ$ decay channels is reported. The search is based upon proton-proton collision data samples corresponding to an integrated luminosity of up to 5.1 $fb^{−1}$ at $\sqrt{s}=7 TeV$ and up to 19.7 $fb^{−1}$ at $\sqrt{s}=8 TeV$, recorded by the CMS experiment at the CERN LHC. Several final states of the $H \to WW$ and $H \to ZZ$ decays are analyzed. The combined upper limit at the 95% confidence level on the product of the cross section and branching fraction exclude a Higgs boson with standard model-like couplings and decays in the range 145 < $m_H$ < 1000 GeV. We also interpret the results in the context of an electroweak singlet extension of the standard model.

Abstract

A search for a heavy Higgs boson in the $H \to WW$ and $H \to ZZ$ decay channels is reported. The search is based upon proton-proton collision data samples corresponding to an integrated luminosity of up to 5.1 $fb^{−1}$ at $\sqrt{s}=7 TeV$ and up to 19.7 $fb^{−1}$ at $\sqrt{s}=8 TeV$, recorded by the CMS experiment at the CERN LHC. Several final states of the $H \to WW$ and $H \to ZZ$ decays are analyzed. The combined upper limit at the 95% confidence level on the product of the cross section and branching fraction exclude a Higgs boson with standard model-like couplings and decays in the range 145 < $m_H$ < 1000 GeV. We also interpret the results in the context of an electroweak singlet extension of the standard model.

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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:16 Feb 2016 14:28
Last Modified:15 Sep 2017 10:33
Publisher:Springer
ISSN:1029-8479
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1007/JHEP10(2015)144
Related URLs:http://arxiv.org/abs/1504.00936v1 (Organisation)

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