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Charmed baryon resonances with heavy-quark symmetry

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arxiv 0906.3759 v1 pith:AWUVSDNN submitted 2009-06-19 hep-ph hep-exnucl-th

Charmed baryon resonances with heavy-quark symmetry

classification hep-ph hep-exnucl-th
keywords lambdabaryoncharmedexperimentalheavy-quarkmodelresonancessymmetry
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We study charmed baryon resonances that are generated dynamically from a coupled-channel unitary approach that implements heavy-quark symmetry. Some states can already be identified with experimental observations, such as $\Lambda_c(2595)$, $\Lambda_c(2660)$, $\Sigma_c(2902)$ or $\Lambda_c(2941)$, while others need a compilation of more experimental data as well as an extension of the model to include higher order contributions. We also compare our model to previous SU(4) schemes.

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