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Title: Dynamically generated open-charm baryons beyond the zero-range approximation
Author: Jiménez Tejero, Clara Estela
Ramos Gómez, Àngels
Vidaña Haro, Isaac
Keywords: Partícules (Matèria)
Properties of specific particles
Specific theories and interaction models
Issue Date: 18-Nov-2009
Publisher: American Physical Society
Abstract: The interaction of the low-lying pseudoscalar mesons with the ground-state baryons in the charm sector is studied within a coupled-channel approach using a t-channel vector-exchange driving force. The amplitudes describing the scattering of the pseudoscalar mesons off the ground-state baryons are obtained by solving the Lippmann-Schwinger equation. We analyze in detail the effects of going beyond the t=0 approximation. Our model predicts the dynamical generation of several open-charm baryon resonances in different isospin and strangeness channels, some of which can be clearly identified with recently observed states.
Note: Reproducció del document publicat a:
It is part of: Physical Review C, 2009, vol. 80, núm 5, p. 0552061-1-0552061-1
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ISSN: 1089-490X
Appears in Collections:Publicacions de projectes de recerca finançats per la UE
Articles publicats en revistes (Física Quàntica i Astrofísica)

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