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Scalar Lambda N and Lambda Lambda interaction in a chiral unitary approach

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	Sasaki, Kenji; Oset Báguena, Eulogio Perfil; Vicente Vacas, Manuel José Perfil
	This document is a artículoDate2006
	Este documento está disponible también en : http://hdl.handle.net/10550/39474
	We study the central part of the Lambda N and Lambda Lambda potential by considering the correlated and uncorrelated two-meson exchange in addition to the omega exchange contribution. The correlated two-meson exchange is evaluated within a chiral unitary approach. We find that a short-range repulsion is generated by the correlated two-meson potential, which also produces an attraction in the intermediate-distance region. The uncorrelated two-meson exchange produces a sizable attraction in all cases that is counterbalanced by the omega exchange contribution.
	Sasaki, Kenji Oset Báguena, Eulogio Vicente Vacas, Manuel José 2006 Scalar Lambda N and Lambda Lambda interaction in a chiral unitary approach Physical Review C 74 6 064002-1 064002-11
	http://dx.doi.org/10.1103/PhysRevC.74.064002