Possible ${\Lambda }_c{\Lambda }_c$ molecular bound state

Abstract

Possible ${\Lambda }_c{\Lambda }_c$ hadronic molecule is investigated in the one-pion-exchange potential model. In the study with this model, the heavier meson exchange effects are encoded into a phenomenological cutoff parameter and couplings to the nearby ${\Sigma }_c{\Sigma }_c$, ${\Sigma }_c{\Sigma }_c^{\ast }$, and ${\Sigma }_c^{\ast }{\Sigma }_c^{\ast }$ channels are essential. From the numerical results, we find that a molecular bound state of two ${\Lambda }_c$'s is possible, where the tensor force plays a crucial role, although the binding energies are sensitive to the cutoff parameter.

5 pages, 3 tables, 2 figures; publication version

References in corpus (1)

• Possible Deuteron-like Molecular States Composed of Heavy Baryons

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