Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-10-31
Int.J.Mod.Phys.E19:113-122,2010
Physics
High Energy Physics
High Energy Physics - Phenomenology
2 figures and 5 tables
Scientific paper
10.1142/S0218301310014674
Charm spectroscopy has studied under a string model. Charmed baryons are composed of diquark and charm quark which are connected by a constant tension. In a diquark picture, the quantum numbers $J^P$ of confirmed baryons are well assigned. We give energy predictions for the first and second orbital excitations. We see some correspondences with the experimental data. Meanwhile, we have obtained diquark masses in the background of charm quark which satisfy a splitting relation based on spin-spin interaction.
Wang Qing-Wu
Zhang Peng-Ming
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