descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 22 Jan 2016Publisher:Sissa MedialabJournal:Proceedings of Flavor Physics & CP Violation 2015 — PoS(FPCP2015)

Authors: Sheldon Stone;

doi: 10.22323/1.248.0041

Exotic hadrons at hadron colliders

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Abstract

Exotic resonant structures found in Λ 0 b and B 0 decays into charmonium in the LHCb experiment are discussed. Examination of the J/ψ p system in Λ 0 b → J/ψ K−p decays shows two states each of which must be composed of uudcc quarks, and thus are called charmonium pentaquarks. Their masses are 4380±8±29 MeV and 4449.8±1.7±2.5 MeV, and their corresponding widths (Γ) are 205±18±86 MeV, and 39±5±19 MeV. The preferred JP assignments are of opposite parity,

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