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Title
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Search for narrow resonances in the b-tagged dijet mass spectrum in proton-proton collisions at √s=13 TeV
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Author
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Institution/Organisation
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CMS Collaboration
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Abstract
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| A search is performed for narrow resonances decaying to final states of two jets, with at least one jet ffiffioriginating from a b quark, in proton-proton collisions at p s = 13 TeV. The data set corresponds to an integrated luminosity of 138 fb-1 collected with the CMS detector at the LHC. Jets originating from energetic b hadrons are identified through a b-tagging algorithm that utilizes a deep neural network or the presence of a muon inside a jet. The invariant mass spectrum of jet pairs is well described by a smooth parametrization and no evidence for the production of new particles is observed. Upper limits on the production cross section are set for excited b quarks and other resonances decaying to dijet final states containing b quarks. These limits exclude at 95% confidence level models of Z' bosons with masses from 1.8 TeV to 2.4 TeV and of excited b quarks with masses from 1.8 TeV to 4.0 TeV. This is the most stringent exclusion of excited b quarks to date. |
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Language
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English
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Source (journal)
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Physical review D / American Physical Society. - Ridge, N.Y., 2016, currens
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Publication
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Ridge, N.Y.
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American Physical Society
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2023
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ISSN
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2470-0029
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DOI
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10.1103/PHYSREVD.108.012009
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Volume/pages
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108
:1
(2023)
, p. 1-22
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Article Reference
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012009
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ISI
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001062044600001
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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