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Fragmentation of J/psi in jets in pp collisions at root s=5.02 TeV Batoul Diab for the CMS collaboration

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  • Additional Information
    • Contributors:
      Universidade Estadual Paulista (UNESP)
    • Publication Information:
      Elsevier B.V.
    • Publication Date:
      2019
    • Collection:
      Universidade Estadual Paulista São Paulo: Repositório Institucional UNESP
    • Abstract:
      The fragmentation of jets containing a J/psi meson is studied in root s = 5.02 TeV pp data using an integrated luminosity of L = 27.39 pb(-1). The fraction of the jet transverse momentum p(Tjet) carried by the J/psi is measured for prompt J/psi and J/psi coming from b hadron decays, named nonprompt. Whereas the fragmentation function of nonprompt J/psi is well-modeled by simulations using a Monte Carlo generator, the prompt J/psi are found to be accompanied by a larger level of jet activity. The fraction of J/psi mesons that are produced inside a jet is also reported, and found to be larger in data than in simulation, for both prompt and nonprompt J/psi.
    • File Description:
      186-188
    • ISSN:
      0375-9474
    • Relation:
      Nuclear Physics A; http://dx.doi.org/10.1016/j.nuclphysa.2018.09.049; Nuclear Physics A. Amsterdam: Elsevier Science Bv, v. 982, p. 186-188, 2019.; http://hdl.handle.net/11449/186612; WOS:000457515500030
    • Accession Number:
      10.1016/j.nuclphysa.2018.09.049
    • Online Access:
      http://hdl.handle.net/11449/186612
      https://doi.org/10.1016/j.nuclphysa.2018.09.049
    • Rights:
      openAccess
    • Accession Number:
      edsbas.2F902897