Decay Ω-→Ξ-π+π- in chiral perturbation theory

Oleg Antipin, Jusak Tandean, G. Valencia

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Abstract

We study the decay Ω-→Ξ-π+π- in heavy-baryon chiral perturbation theory. At leading order, the decay is completely dominated by the Ξ*0(1530) intermediate state, and the predicted rate and Ξ-π+-mass distribution are in conflict with currently available data. It is possible to resolve this conflict by considering additional contributions at next-to-leading order.

Original languageEnglish
Article number094024
JournalPhysical Review D
Volume76
Issue number9
DOIs
Publication statusPublished - 21 Nov 2007
Externally publishedYes

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