3.8 Proceedings Paper

Local Meson-Baryon Coupled-Channels Potential for the Λ(1405)

Journal

RECENT PROGRESS IN FEW-BODY PHYSICS
Volume 238, Issue -, Pages 981-985

Publisher

SPRINGER INTERNATIONAL PUBLISHING AG
DOI: 10.1007/978-3-030-32357-8_153

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A local coupled-channels (K) over bar N-pi Sigma-pi Lambda potential is constructed, equivalently reproducing the scattering amplitude in chiral SU(3) dynamics. By analyzing the wave function of the Lambda(1405), we show the (K) over bar N dominance of the upper pole within the two-pole structure of the Lambda(1405). The resulting potential will be useful for investigating (K) over bar few-nucleon systems including their coupled channels.

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