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Title: Constraints on effective field theory parameters for the Lambda N -> NN transition
Author: Pérez-Obiol Castañeda, Axel
Parreño García, Assumpta
Juliá-Díaz, Bruno
Keywords: Física nuclear
Reaccions nuclears
Nuclear physics
Nuclear reactions
Issue Date: 2011
Publisher: American Physical Society
Abstract: The relation between the low-energy constants appearing in the effective field theory description of the Lambda N -> NN transition potential and the parameters of the one-meson-exchange model previously developed is obtained. We extract the relative importance of the different exchange mechanisms included in the meson picture by means of a comparison to the corresponding operational structures appearing in the effective approach. The ability of this procedure to obtain the weak baryon-baryon-meson couplings for a possible scalar exchange is also discussed.
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It is part of: Physical Review C, 2011, vol. 84, núm. 2, 024606
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ISSN: 0556-2813
Appears in Collections:Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB))
Articles publicats en revistes (Física Quàntica i Astrofísica)
Publicacions de projectes de recerca finançats per la UE

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