Lattice study of the exotic S = +1 baryon

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Abstract

S = +1 baryon interpolating operators were proposed, which are based on a exotic description of the antidecuplet bayron, like the diquark-diquark- antiquark structure. The mass spectrum of the spin-1/2 pentaquark states was calculated by using the operator. It was observed that the Jp assignment of the θ state was most like (1/2)-. The mass of the charm analog of the θ was also calculated and the θ state lies much higher than the DN threshold.

Original languageEnglish
Article number152001
Pages (from-to)152001-1-152001-4
JournalPhysical review letters
Volume93
Issue number15
DOIs
Publication statusPublished - 2004 Oct 8

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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