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1-9 Internal Structures of Nucleon Resonances N(1875) and N(2120)

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摘要 In the new versions of the Review of Particle physics (PDG) after the year 2012[1], there list four N3/2? nucleon resonances, N(1520), N(1700), N(1875) and N(2120). The two-star state N(2080) in the previous versions has been split into a three-star N(1875) and a two-star N(2120) based on the evidence from BnGa analysis[2]. Usually the N(1520) and the N(1700) are assigned to states with orbital angular momentum L=1 in quark model, and mixing effect is very important to explain the decay pattern of these states[3].
作者 He Jun
机构地区 不详
出处 《IMP & HIRFL Annual Report》 2015年第1期14-15,共2页 中国科学院近代物理研究所和兰州重离子研究装置年报(英文版)
基金 Major State Basic Research Development Program in China (2014CB845405), National Natural Science Foundation of China (11275235, 11035006)
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