articleJournal of InstrumentationApr 15, 2013GREEN OA

Identification of b-quark jets with the CMS experiment

CCCMS CollaborationCSChatrchyan, SKVKhachatryan, VACAmsler, CCVChiochia, V

A. Alikhanyan National Laboratory · Austrian Academy of Sciences · +1 more institution

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Abstract

At the Large Hadron Collider, the identification of jets originating from b quarks is important for searches for new physics and for measurements of standard model processes. A variety of algorithms has been developed by CMS to select b-quark jets based on variables such as the impact parameters of charged-particle tracks, the properties of reconstructed decay vertices, and the presence or absence of a lepton, or combinations thereof. The performance of these algorithms has been measured using data from proton-proton collisions at the LHC and compared with expectations based on simulation. The data used in this study were recorded in 2011 at √s = 7 TeV for a total integrated luminosity of 5.0 fb(-1). The…

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Authors

15
  • CC
    CMS CollaborationCorresponding

    A. Alikhanyan National Laboratory

  • CS
    Chatrchyan, S

    A. Alikhanyan National Laboratory

  • KV
    Khachatryan, V

    A. Alikhanyan National Laboratory

  • AC
    Amsler, C

    Austrian Academy of Sciences

  • CV
    Chiochia, V

    Austrian Academy of Sciences

Topics & keywords

Topics
Keywords
  • Physics
  • Particle physics
  • Large Hadron Collider
  • Jet (fluid)
  • Quark
  • Luminosity
  • Particle identification
  • Parton
UN Sustainable Development Goals
  • Affordable and clean energy
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