Search for Narrow High-Mass Resonances in Proton-Proton Collisions at $s$ = 8 TeV Decaying to a Z and a Higgs Boson
Search for Narrow High-Mass Resonances in Proton-Proton Collisions at $s$ = 8 TeV Decaying to a Z and a Higgs Boson
A search for a narrow, high-mass resonance decaying into Z and Higgs (H) bosons is presented. The final state studied consists of a merged jet pair and a τ pair resulting from the decays of Z and H bosons, respectively. The analysis is based on a data sample of proton–proton collisions at a center-of-mass energy of 8 TeV, collected with the CMS experiment in 2012, and corresponding to an integrated luminosity of 19.7 fb−1. In the resonance mass range of interest, which extends from 0.8 to 2.5 TeV, the Z and H bosons are produced with large momenta, which implies that the final products of the two quarks or the two τ leptons must be detected within a small angular interval. From a combination of all possible decay modes of the τ leptons, production cross sections in a range between 0.9 and 27.8 fb are excluded at 95% confidence level, depending on the resonance mass.
255-277
Khachatryan, Vardan
375bcfe5-df1a-41ad-9a90-553e557ef6d6
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
2015
Khachatryan, Vardan
375bcfe5-df1a-41ad-9a90-553e557ef6d6
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
The CMS Collaboration
(2015)
Search for Narrow High-Mass Resonances in Proton-Proton Collisions at $s$ = 8 TeV Decaying to a Z and a Higgs Boson.
Physics Letters B, B748, .
(doi:10.1016/j.physletb.2015.07.011).
Abstract
A search for a narrow, high-mass resonance decaying into Z and Higgs (H) bosons is presented. The final state studied consists of a merged jet pair and a τ pair resulting from the decays of Z and H bosons, respectively. The analysis is based on a data sample of proton–proton collisions at a center-of-mass energy of 8 TeV, collected with the CMS experiment in 2012, and corresponding to an integrated luminosity of 19.7 fb−1. In the resonance mass range of interest, which extends from 0.8 to 2.5 TeV, the Z and H bosons are produced with large momenta, which implies that the final products of the two quarks or the two τ leptons must be detected within a small angular interval. From a combination of all possible decay modes of the τ leptons, production cross sections in a range between 0.9 and 27.8 fb are excluded at 95% confidence level, depending on the resonance mass.
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Published date: 2015
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Local EPrints ID: 412363
URI: http://eprints.soton.ac.uk/id/eprint/412363
ISSN: 0370-2693
PURE UUID: 71917d9b-a373-4824-822a-227503da6938
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Date deposited: 17 Jul 2017 13:32
Last modified: 03 Dec 2019 01:45
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Author:
Vardan Khachatryan
Corporate Author: The CMS Collaboration
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