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Odd-parity light baryon resonances
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| dc.contributor.author | Gamermann, D. | |
| dc.contributor.author | García Recio, Carmen | |
| dc.contributor.author | Nieves Pamplona, Juan Miguel | |
| dc.contributor.author | Salcedo, Lorenzo Luis | |
| dc.date.accessioned | 2014-10-28T12:22:00Z | |
| dc.date.available | 2014-10-28T12:22:00Z | |
| dc.date.issued | 2011 | |
| dc.identifier.citation | Gamermann, D. García Recio, Carmen Nieves Pamplona, Juan Miguel Salcedo, Lorenzo Luis 2011 Odd-parity light baryon resonances Physical Review D 84 5 056017 | |
| dc.identifier.uri | http://hdl.handle.net/10550/39432 | |
| dc.description.abstract | We use a consistent SU(6) extension of the meson-baryon chiral Lagrangian within a coupled channel unitary approach in order to calculate the T-matrix for meson-baryon scattering in s-wave. The building blocks of the scheme are the pion and nucleon octets, the rho nonet and the Delta decuplet. We identify poles in this unitary T-matrix and interpret them as resonances. We study here the non exotic sectors with strangeness S=0,-1,-2,-3 and spin J=1/2, 3/2 and 5/2. Many of the poles generated can be associated with known N, Delta, Sigma, Lambda and Xi resonances with negative parity. We show that most of the low-lying three and four star odd parity baryon resonances with spin 1/2 and 3/2 can be related to multiplets of the spin-flavor symmetry group SU(6). This study allows us to predict the spin-parity of the Xi(1620), Xi(1690), Xi(1950), Xi(2250), Omega(2250) and Omega(2380) resonances, which have not been determined experimentally yet. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Physical Review D, 2011, vol. 84, num. 5, p. 056017 | |
| dc.title | Odd-parity light baryon resonances | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2014-10-28T12:22:00Z | |
| dc.identifier.doi | 10.1103/PhysRevD.84.056017 | |
| dc.identifier.idgrec | 072553 | |
| dc.rights.accessRights | open access | es_ES |
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