descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 May 2009Embargo end date: 01 Jan 2009 English Publisher:Elsevier BVJournal:Physics Letters B, volume 675, pages 407-410 (issn: 0370-2693,

Authors: Khemchandani, K. P.; Martínez Torres, Alberto; Oset Báguena, Eulogio;

doi: 10.1016/j.physletb.2009.04.036 , 10.48550/arxiv.0902.4425

arXiv: http://arxiv.org/abs/0902.4425

handle: 10550/46883

Searching for exotic states in the NπK system

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Abstract

We study the $N ��K$ system in order to investigate the possibility of existence of strangeness +1 resonance(s). The formalism consists of solving the Faddeev equations with the $N ��$, $��K $ and $K N$ $t$-matrices obtained from chiral dynamics. The same formalism, which leads to the finding of several $1/2^+$ resonances in the corresponding three-body $S$ = -1 channels in the 1400-2000 MeV energy region, results into only one broad bump around 1700 MeV with isospin 0. The amplitudes in isospin 1 and 2 configuration do not have any resonant structure.

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Keywords

Nuclear Theory (nucl-th), Nuclear Theory, Física, FOS: Physical sciences

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