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arXiv · 1711.04098

Are the chiral based $\bar{K}N$ potentials really energy dependent?

János Révai
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Abstract

It is shown, that the energy dependence of the chiral based $\bar{K}N$ potentials, responsible for the occurrence of two poles in the $I=0$ sector, is the consequence of applying the on-shell factorization introduced in [E. Oset, A. Ramos, Nucl. Phys. A 635(1998)99]. When the dynamical equation is solved without this approximation, the $T$-matrix has only one pole in the energy region of the $\Lambda(1405)$ resonance.

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János Révai. 2017-11-11. Are the chiral based $\bar{K}N$ potentials really energy dependent?. https://doi.org/10.1007/s00601-018-1371-1

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