The pentaquark candidates in the dynamical diquark picture

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192 Scopus citations


Starting with the dynamical picture of the exotic cc--containing states XYZ as the confinement-induced hadronization of a rapidly separating pair of a compact diquark and antidiquark, we describe the pentaquark candidates Pc+(4380) and Pc+(4450) in terms of a confined but rapidly separating color-antitriplet diquark cu and color-triplet "triquark" c-(ud). This separation explains the relatively small Pc+ widths, despite these 5-quark systems lying far above both the J/ψ p and ΛcD-(*)0 thresholds. The Pc+ states are predicted to form isospin doublets with neutral partners Pc0.

Original languageEnglish (US)
Pages (from-to)454-457
Number of pages4
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
StatePublished - Oct 7 2015


  • Diquarks
  • Exotic baryons
  • Pentaquarks

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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