Search for a dimuon resonance in the ϒ mass region

The LHCb Collaboration

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Abstract

A search is performed for a spin-0 boson, ϕ, produced in proton-proton collisions at centre-of-mass energies of 7 and 8 TeV, using prompt ϕ → μ+μ decays and a data sample corresponding to an integrated luminosity of approximately 3.0 fb−1 collected with the LHCb detector. No evidence is found for a signal in the mass range from 5.5 to 15 GeV. Upper limits are placed on the product of the production cross-section and the branching fraction into the dimuon final state. The limits are comparable to the best existing over most of the mass region considered and are the first to be set near the ϒ resonances.[Figure not available: see fulltext.]

Original languageEnglish
Article number147
JournalJournal of High Energy Physics
Volume2018
Issue number9
DOIs
Publication statusPublished - 1 Sep 2018

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Keywords

  • Beyond Standard Model
  • Hadron-Hadron scattering (experiments)
  • Higgs physics

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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