Meson-baryon interactions and baryon resonances

Details Meson-baryon interactions and baryon resonances Meson-baryon interactions and baryon resonances

2011-08-30

arxiv.org/abs/1108.5804v1

Physics

Nuclear Physics

Nuclear Theory

12 pages, 4 figures, 1 table, talk give at XIV International Conference on Hadron Spectroscopy (hadron2011), 13-17 June 2011,

Scientific paper

Meson-baryon interactions are the fundamental building blocks to study the structures of baryon resonances and meson properties in few-body nuclear systems. We review the recent progress in the investigation of the meson-baryon interaction in the strangeness S=-1 sector and the structure of the Lambda(1405) resonance. In particular, we present an attempt to construct a realistic Kbar N-pi Sigma interaction in chiral SU(3) dynamics in response to the precise measurement of the kaonic hydrogen, and discuss the subthreshold extrapolation of the Kbar N interaction with the information of the pi Sigma channel.

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