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Search for narrow resonances in the b-tagged Dijet mass spectrum in proton-proton collisions at √s=8  TeV

Search for narrow resonances in the b-tagged Dijet mass spectrum in proton-proton collisions at √s=8  TeV
Search for narrow resonances in the b-tagged Dijet mass spectrum in proton-proton collisions at √s=8  TeV
A search for narrow resonances decaying to bottom quark-antiquark pairs is presented, using a data sample of proton-proton collisions at √s=8  TeV corresponding to an integrated luminosity of 19.7  fb−1. The search is extended to masses lower than those reached in typical searches for resonances decaying into jet pairs at the LHC, by taking advantage of triggers that identify jets originating from bottom quarks. No significant excess of events is observed above the background predictions. Limits are set on the product of cross section and branching fraction to bottom quarks for spin 0, 1, and 2 resonances in the mass range of 325–1200 GeV. These results improve on the limits for resonances decaying into jet pairs in the 325–500 GeV mass range
1079-7114
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
The CMS Collaboration
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3

Belyaev, Alexander , The CMS Collaboration (2018) Search for narrow resonances in the b-tagged Dijet mass spectrum in proton-proton collisions at √s=8  TeV. Physical Review Letters, 120, [201801]. (doi:10.1103/PhysRevLett.120.201801).

Record type: Article

Abstract

A search for narrow resonances decaying to bottom quark-antiquark pairs is presented, using a data sample of proton-proton collisions at √s=8  TeV corresponding to an integrated luminosity of 19.7  fb−1. The search is extended to masses lower than those reached in typical searches for resonances decaying into jet pairs at the LHC, by taking advantage of triggers that identify jets originating from bottom quarks. No significant excess of events is observed above the background predictions. Limits are set on the product of cross section and branching fraction to bottom quarks for spin 0, 1, and 2 resonances in the mass range of 325–1200 GeV. These results improve on the limits for resonances decaying into jet pairs in the 325–500 GeV mass range

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e-pub ahead of print date: 14 May 2018
Published date: 14 May 2018

Identifiers

Local EPrints ID: 421559
URI: http://eprints.soton.ac.uk/id/eprint/421559
ISSN: 1079-7114
PURE UUID: 7bac1e01-a6c3-4299-869e-8ea96fd45b8d
ORCID for Alexander Belyaev: ORCID iD orcid.org/0000-0002-1733-4408

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Date deposited: 15 Jun 2018 16:30
Last modified: 17 Dec 2019 01:44

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