摘要
Using the one-boson-exchange model,we studied the possible existence of very loosely bound hidden-charm molecular baryons composed of an anti-charmed meson and a charmed baryon.Our numerical results indicate that the Σ c * and Σ c states exist,but that the Λ c and Λ c * molecular states do not.
Using the one-boson-exchange model,we studied the possible existence of very loosely bound hidden-charm molecular baryons composed of an anti-charmed meson and a charmed baryon.Our numerical results indicate that the Σ c * and Σ c states exist,but that the Λ c and Λ c * molecular states do not.
基金
Supported by National Natural Science Foundation of China (11175073,11075004,11021092,11035006,11047606,10805048)
Ministry of Science and Technology of China (2009CB825200)
Ministry of Education of China (FANEDD 200924,DPFIHE20090211120029,NCET NCET-10-0442)
Fundamental Research Funds for the Central Universities(lzujbky-2010-69)