Molecular picture for the Ω ( 2012 ) revisited

6533b822fe1ef96bd127cc54

RESEARCH PRODUCT

Molecular picture for the Ω ( 2012 ) revisited

Genaro Toledo Genaro Toledo Eulogio Oset N. Ikeno N. Ikeno

subject

Physics Horizon (archaeology)Work (electrical)010308 nuclear & particles physics 0103 physical sciences 010306 general physics 01 natural sciences Mathematical economics Nuclear theory

description

We conduct a study of the interaction of the K̄Ξ∗, ηω(s-wave), and K̄Ξ(d-wave) channels within a coupled channel unitary approach where the transition potential between the K̄Ξ∗ and ηω channels is obtained from chiral Lagrangians. The transition potential between K̄Ξ∗, ηω, and K̄Ξ is taken in terms of free parameters, which together with a cutoff to regularize the meson-baryon loops are fitted to the ω(2012) data. We find that all data including the recent Belle experiment on Γω∗→πK̄Ξ/Γω∗→K̄Ξ, are compatible with the molecular picture stemming from meson baryon interaction of these channels.

year	journal	country	edition	language
2020-05-14	Physical Review D

10.1103/physrevd.101.094016 http://dx.doi.org/10.1103/physrevd.101.094016

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