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Photoproduction of the Lambda(1405) on the proton and nuclei

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Photoproduction of the Lambda(1405) on the proton and nuclei

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dc.contributor.author Nácher Díez, José Carlos
dc.contributor.author Oset Báguena, Eulogio
dc.contributor.author Toki, Hiroshi
dc.contributor.author Ramos Gómez, Àngels
dc.date.accessioned 2015-09-04T10:01:56Z
dc.date.available 2015-09-04T10:01:56Z
dc.date.issued 1999
dc.identifier.citation Nácher Díez, José Carlos Oset Báguena, Eulogio Toki, Hiroshi Ramos Gómez, Àngels 1999 Photoproduction of the Lambda(1405) on the proton and nuclei Physics Letters B 455 1-4 55 61
dc.identifier.uri http://hdl.handle.net/10550/46842
dc.description.abstract We study the gamma p ---> K^+ Lambda(1405) reaction at energies close to threshold using a chiral unitary model where the resonance is generated dynamically from K^-p interaction with other channels constructed from the octets of baryons and mesons. Predictions are made for cross sections into several channels and it is shown that the detection of the K^+ is sufficient to determine the shape and strength of the Lambda(1405) resonance. The determination of the resonance properties in nuclei requires instead the detection of the resonance decay channels. Pauli blocking effects on the resonance, which have been shown to be very important for the resonance at rest in the nucleus, are irrelevant here where the resonance is produced with a large momentum. The nuclear modifications here would thus offer information on the resonance and K^- nucleus dynamics complementary to the one offered so far by K^- atoms.
dc.language.iso eng
dc.relation.ispartof Physics Letters B, 1999, vol. 455, num. 1-4, p. 55-61
dc.subject Física
dc.title Photoproduction of the Lambda(1405) on the proton and nuclei
dc.type journal article es_ES
dc.date.updated 2015-09-04T10:01:56Z
dc.identifier.doi 10.1016/S0370-2693(99)00380-9
dc.identifier.idgrec 079420
dc.rights.accessRights open access es_ES

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