Searching for exotic states in the $N πK $ system

Details Searching for exotic states in the $N πK $ system Searching for exotic states in the $N πK $ system

2009-02-25

arxiv.org/abs/0902.4425v1

Phys.Lett.B675:407,2009

Physics

Nuclear Physics

Nuclear Theory

Scientific paper

We study the $N \pi K$ system in order to investigate the possibility of existence of strangeness +1 resonance(s). The formalism consists of solving the Faddeev equations with the $N \pi$, $\pi 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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