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Open Access item Searching for exotic states in the N pi K system

Authors:Khemchandani, Kanchan P.
Martínez Torres, Alberto
Oset, Eulogi
Issue Date:16-Apr-2009
Publisher:Elsevier
Citation:Phys.Lett.B675:407,2009
Abstract: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 KN 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. (C) 2009 Published by Elsevier B.V.
Publisher version (URL):hhtp://dx.doi.org/10.1016/j.physletb.2009.04.036
URI:http://hdl.handle.net/10261/15967
ISSN:0370-2693
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Appears in Collections:(IFIC) Artículos

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