exotic states in the s=1 n-pi-k system and low-lying 1/2+ s=-1 resonances
Clicks: 109
ID: 173971
2010
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Abstract
In this manuscript we discuss about our study of the $N pi ar{K}$ and the NπK systems made by solving the Faddeev equations with the two-body t-matrices obtained by solving the Bethe-Salpeter equations with the potentials obtained from chiral dynamics. In the strangeness = -1 case, we found that all the Λ and Σ resonances listed by the particle data group, with spin-parity 1/2+ , in the 1550-1800 MeV region get generated due to the involved three-body dynamics. This motivated us to study the strangeness =1 three-body system, i.e., NπK , where we did not find any evidence for the Θ+ (1542) but found a broad bump around 1700 MeV which has a κ(800)N structure.
| Reference Key |
e.2010epjexotic
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|---|---|
| Authors | ;Oset E.;Martínez Torres A.;Khemchandani K.P. |
| Journal | utilitas mathematica |
| Year | 2010 |
| DOI |
10.1051/epjconf/20100307016
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| URL | |
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