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Dynamically generated open-charm baryons beyond the zero-range approximation

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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.

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Articles publicats en revistes (Física Quàntica i Astrofísica)

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Specific theories and interaction models

# metadata.dc.title[].value
Dynamically generated open-charm baryons beyond the zero-range approximation