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A possible NN*(1440) quasi-molecular state
Zhao, L; Shen, PN; Zhang, YJ; Zou, BS; Zhao, L (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
2013
发表期刊EUROPEAN PHYSICAL JOURNAL A
ISSN1434-6001
卷号49期号:5页码:59
摘要Inspired by the recent observation of a narrow resonance-like structure around 2360 MeV in the pn -> d pi(0)pi(0) cross section, the possibility of forming a NN*(1440) quasi-molecular state is investigated by using a meson exchange model in which the pi, sigma, rho and omega exchanges in t- and u-channels are considered. By adopting the coupling constants extracted from the relevant NN scattering and N*(1440) decay data, it is found that a deuteron-like quasi-molecular state of NN*(1440) with a binding energy in the range of 2 similar to 67 MeV can be formed. Therefore, it is speculated that the observed structure around 2360 MeV might be or may have a large component of the NN*(1440) quasi-molecular state.
部门归属[Zhao, Lu; Shen, Peng-Nian; Zou, Bing-Song] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China; [Zhao, Lu; Zou, Bing-Song] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Shen, Peng-Nian] Guangxi Normal Univ, Coll Phys & Technol, Guilin 541004, Peoples R China; [Shen, Peng-Nian; Zhang, Yin-Jie; Zou, Bing-Song] Chinese Acad Sci, Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China; [Zhang, Yin-Jie] Hebei Univ, Dept Phys, Baoding 071002, Peoples R China; [Zou, Bing-Song] Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
关键词Meson Enhancements
学科领域Physics
资助者National Natural Science Foundation of China [10975038, 11035006, 11165005, 11121092, 11261130311]; DFG [CRC110]; NSFC; Chinese Academy of Sciences [KJCX2-EW-N01]; Ministry of Science and Technology of China [2009CB825200] ; National Natural Science Foundation of China [10975038, 11035006, 11165005, 11121092, 11261130311]; DFG [CRC110]; NSFC; Chinese Academy of Sciences [KJCX2-EW-N01]; Ministry of Science and Technology of China [2009CB825200] ; National Natural Science Foundation of China [10975038, 11035006, 11165005, 11121092, 11261130311]; DFG [CRC110]; NSFC; Chinese Academy of Sciences [KJCX2-EW-N01]; Ministry of Science and Technology of China [2009CB825200] ; National Natural Science Foundation of China [10975038, 11035006, 11165005, 11121092, 11261130311]; DFG [CRC110]; NSFC; Chinese Academy of Sciences [KJCX2-EW-N01]; Ministry of Science and Technology of China [2009CB825200]
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收录类别SCI
语种英语
资助者National Natural Science Foundation of China [10975038, 11035006, 11165005, 11121092, 11261130311]; DFG [CRC110]; NSFC; Chinese Academy of Sciences [KJCX2-EW-N01]; Ministry of Science and Technology of China [2009CB825200] ; National Natural Science Foundation of China [10975038, 11035006, 11165005, 11121092, 11261130311]; DFG [CRC110]; NSFC; Chinese Academy of Sciences [KJCX2-EW-N01]; Ministry of Science and Technology of China [2009CB825200] ; National Natural Science Foundation of China [10975038, 11035006, 11165005, 11121092, 11261130311]; DFG [CRC110]; NSFC; Chinese Academy of Sciences [KJCX2-EW-N01]; Ministry of Science and Technology of China [2009CB825200] ; National Natural Science Foundation of China [10975038, 11035006, 11165005, 11121092, 11261130311]; DFG [CRC110]; NSFC; Chinese Academy of Sciences [KJCX2-EW-N01]; Ministry of Science and Technology of China [2009CB825200]
WOS记录号WOS:000321430600002
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15376
专题理论物理所2013年知识产出
通讯作者Zhao, L (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
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Zhao, L,Shen, PN,Zhang, YJ,et al. A possible NN*(1440) quasi-molecular state[J]. EUROPEAN PHYSICAL JOURNAL A,2013,49(5):59.
APA Zhao, L,Shen, PN,Zhang, YJ,Zou, BS,&Zhao, L .(2013).A possible NN*(1440) quasi-molecular state.EUROPEAN PHYSICAL JOURNAL A,49(5),59.
MLA Zhao, L,et al."A possible NN*(1440) quasi-molecular state".EUROPEAN PHYSICAL JOURNAL A 49.5(2013):59.
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