Width of Theta - pentaquarks in relativistic quark model

Abstract

The relativistic generalization of Faddeev-Yakubovsky approach is constructed in the form of the dispersion relations. The five-quark amplitudes for the low-lying pentaquarks contain u,d,s-quarks. The poles of these amplitudes determine the masses and widths of Theta-pentaquarks.

arXiv comment5 pages, pdf, minor changes in text

References in corpus (16)

• Evidence for Narrow S=+1 Baryon Resonance in Photo-production from Neutron
• Diquarks and Exotic Spectroscopy
• Observation of an Exotic $S=+1$ Baryon in Exclusive Photoproduction from the Deuteron
• Observation of a baryon resonance with positive strangeness in K+ collisions with Xe nuclei
• Evidence for the positive-strangeness pentaquark ${\Theta }^{+}$ in photoproduction with the SAPHIR detector at ELSA
• Observation of an Exotic Baryon with S=+1 in Photoproduction from the Proton
• Evidence for a narrow |S|=1 baryon state at a mass of 1528 MeV in quasi-real photoproduction
• A Diquark-Triquark Model for the KN Pentaquark
• Evidence for formation of a narrow pKshort resonance with mass near 1533 MeV in neutrino interactions
• Understanding Pentaquark States in QCD
• Lattice study of exotic S=+1 baryon
• Phenomenology of the Pentaquark Antidecuplet
• Interpretation of the Theta+ as an isotensor pentaquark with weakly decaying partners
• Pentaquark states in a chiral potential
• The Width of the ${\Theta }^{+}$ Exotic Baryon in the Chiral Soliton Model
• Relativistic quark model and pentaquark spectroscopy