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arXiv · 1301.4557

Hadronic molecules for charmed and bottom baryons near thresholds

Yasuhiro Yamaguchi·Shunsuke Ohkoda·Shigehiro Yasui·Atsushi Hosaka
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Abstract

We study hadronic molecules formed by a heavy meson and a nucleon, DN and D*N (BbarN and Bbar*N) systems. Respecting the heavy quark symmetry and chiral symmetry, we consider the DN-D*N (BbarN-Bbar*N$) mixing induced by the one boson exchange potential including the tensor force. We find many bound and resonant states with J^P=1/2^\pm, 3/2^\pm, 5/2^\pm and 7/2^- in isospin singlet channels, while only a few resonant states with J^P=1/2^- in isospin triplet channels. The analysis of DN and D*N (BbarN and Bbar*N) molecules will be useful to study mass spectra of excited charmed (bottom) baryons with large angular momenta, when their masses are close to the DN and D*N (BbarN and Bbar*N) thresholds.

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Yasuhiro Yamaguchi, Shunsuke Ohkoda, Shigehiro Yasui, Atsushi Hosaka. 2013-01-30. Hadronic molecules for charmed and bottom baryons near thresholds. https://doi.org/10.1103/physrevd.87.074019

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