Chiral unitary approach to the K--deuteron scattering length
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Chiral unitary approach to the K--deuteron scattering length

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Chiral unitary approach to the K--deuteron scattering length

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dc.contributor.author Kamalov, Sabit S.
dc.contributor.author Oset Báguena, Eulogio
dc.contributor.author Ramos Gómez, Àngels
dc.date.accessioned 2015-09-08T10:16:32Z
dc.date.available 2015-09-08T10:16:32Z
dc.date.issued 2001
dc.identifier.uri http://hdl.handle.net/10550/46990
dc.description.abstract Starting from a recent model where the (K) over barN amplitudes are evaluated from the chiral Lagrangians using a coupled-channel unitary method, we evaluate here the scattering length for K--deuteron scattering. We find that the double scattering contribution is very large compared to the impulse approximation and that the charge-exchange contribution of this rescattering is as large as the sequential K scattering on the two nucleons. Higher-order rescattering corrections are evaluated using coupled channels with K- and (K) over bar (0) within the integral form of the fixed centre approximation to the Faddeev equations. The higher-order corrections involving intermediate pions and hyperons are found negligible. (C) 2001 Elsevier Science B.V. All rights reserved.
dc.language.iso eng
dc.relation.ispartof Nuclear Physics A, 2001, vol. 690, num. 4, p. 494-508
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Kamalov, Sabit S. Oset Báguena, Eulogio Ramos Gómez, Àngels 2001 Chiral unitary approach to the K--deuteron scattering length Nuclear Physics A 690 4 494 508
dc.subject Física
dc.title Chiral unitary approach to the K--deuteron scattering length
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-09-08T10:16:32Z
dc.identifier.doi http://dx.doi.org/10.1016/S0375-9474(00)00709-0
dc.identifier.idgrec 079389

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