| 一个在BaBar、BES和Belle实验上发现的新强子(英文) |
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| 引用本文： | 刘翔.一个在BaBar、BES和Belle实验上发现的新强子(英文)[J].原子核物理评论,2011,28(1):36-40. |
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| 作者姓名： | 刘翔 |
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| 作者单位： | 1 兰州大学与中国科学院近代物理研究所共建强子与CSR物理研究中心, 甘肃 兰州 730000;2 兰州大学物理科学与技术学院, 甘肃 兰州 730000 |
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| 基金项目： | 国家自然科学基金，教育部高等学校全国优秀博士学位论文作者专项资金，教育部高等学校博士学科点专项科研基金，教育部新世纪优秀人才支持计划 |
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| 摘 要： | BaBar合作组在 e+e-→f0(980) 衰变道的 f0(980) 不变质量谱上发现了一个新强子态Y(2175)。 随后， BES和Belle实验都相继证实了这一发现。 与此同时， 理论家们也对Y(2175)的内部性质进行了大量的研究。 本工作对目前Y(2175)在实验和理论上的进展进行了详细的评述。同时，讨论了在f0(980) 不变质量谱中的2175 MeV以上能区寻找其它增长结构的可能性。Since the BaBar Collaboration announced a new hadron Y(2175) observed in the f0(980) invariant mass spectrum of e+e-→ f0(980), both BES and Belle confirmed BaBar’s observation. Meanwhile, the theorist also carries out the study to reveal the underlying properties of Y(2175). In this review paper, we give a detailed review of the present experimental and theoretical statues of Y(2175). In terms of the published experimental data of Y(2175), we also discuss the possibility of searching for other enhancement structuresafter 2175 MeV in the f0(980) invariant mass spectrum.
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| 关 键 词： | 新强子态 奇异偶素 奇特态 |
| 收稿时间： | 1900-01-01 |
Y(2175): An Intriguing Hadron Observed in BaBar,BES and Belle Experiments |
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| LIU Xiang.Y(2175): An Intriguing Hadron Observed in BaBar,BES and Belle Experiments[J].Nuclear Physics Review,2011,28(1):36-40. |
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| Authors: | LIU Xiang |
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| Institution: | 1 Research Center for Hadron and CSR Physics, Lanzhou University and Institute of Modern Physics of Chinese Academy of Sciences, Lanzhou 730000, China;2 School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China |
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| Abstract: | Since the BaBar Collaboration announced a new hadron Y(2175)observed in the φ(980)invariant mass spectrum of e+e-→φf0(980),both BES and Belle confirmed BaBar's observation.Meanwhile,the theorist also carries also carries out the study to reveal the underlying properties of Y(2175).In this review paper,we give a detailed review of the present experimental and theoretical statues of Y(2175).In terms of the publishedexperimental data of Y(2175),we also discuss the possibility of searching for other enhancement structuresafter 2175 MeV in the φf0(980)invariant mass spectrum. |
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| Keywords: | new hadron state strangenium exotic state |
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