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Possible hidden-charm molecular baryons composed of an anti-charmed meson and a charmed baryon
作者姓名:杨忠诚  孙志峰  何军  刘翔  朱世琳
作者单位:1. Department of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China;;2. Research Center for Hadron and CSR Physics, Lanzhou University and Institute of Modern Physics of Chinese Academy of Sciences, Lanzhou 730000, China;;3. Nuclear Theory Group, Institute of Modern Physics of Chinese Academy of Sciences, Lanzhou 730000, China;;4. School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
基金项目: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)
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 ΣcD* and ΣcD states exist, but that the ΛcD and ΛcD* molecular states do not.

关 键 词:exotic  hidden-charm  baryons  the  one-boson-exchange  model  molecular  state
收稿时间:2011-5-16
修稿时间:2011-10-12

Possible hidden-charm molecular baryons composed of an anti-charmed meson and a charmed baryon
YANG Zhong-Cheng,SUN Zhi-Feng,HE Jun,;,LIU Xiang,;,ZHU Shi-Lin.Possible hidden-charm molecular baryons composed of an anti-charmed meson and a charmed baryon[J].High Energy Physics and Nuclear Physics,2012,36(1):6-13.
Authors:YANG Zhong-Cheng  SUN Zhi-Feng  HE Jun  ;  LIU Xiang  ;  ZHU Shi-Lin
Affiliation:1;3) 1 Department of Physics and State Key Laboratory of Nuclear Physics and Technology,Peking University,Beijing 100871,China 2 Research Center for Hadron and CSR Physics,Lanzhou University and Institute of Modern Physics of Chinese Academy of Sciences,Lanzhou 730000,China 3 Nuclear Theory Group,Institute of Modern Physics of Chinese Academy of Sciences,Lanzhou 730000,China 4 School of Physical Science and Technology,Lanzhou University,Lanzhou 730000,China
Abstract: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.
Keywords:exotic hidden-charm baryons  the one-boson-exchange model  molecular state
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