首页|Review of the Low-Lying Excited Baryons ∑*(1/2-)

Review of the Low-Lying Excited Baryons ∑*(1/2-)

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Strong empirical and phenomenological indications exist for large sea-quark admixtures in the low-lying excited baryons.Investigating the low-lying excited baryon ∑*(1/2-)is important for determining the nature of the low-lying excited baryons.We review the experimental and theoretical progress on the studies of the ∑*(1/2-).Although several candidates have received intensive discussions,such as ∑(1620)and ∑(1480),their existence needs further confirmation.Following the prediction of the unquenched quark models for the ∑*(1/2-),many theoretical works suggested the existence of these states in various processes.Future experimental measurements could shed light on the existence of the low-lying excited ∑*(1/2-)state.

王恩、耿立升、吴佳俊、谢聚军、邹冰松

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School of Physics,Zhengzhou University,Zhengzhou 450001,China

Guangxi Key Laboratory of Nuclear Physics and Nuclear Technology,Guangxi Normal University,Guilin 541004,China

School of Physics,Beihang University,Beijing 102206,China

Peng Huanwu Collaborative Center for Research and Education,Beihang University,Beijing 100191,China

Beijing Key Laboratory of Advanced Nuclear Materials and Physics,Beihang University,Beijing 102206,China

Southern Center for Nuclear-Science Theory(SCNT),Institute of Modern Physics,Chinese Academy of Sciences,Huizhou 516000,China

School of Physics,University of Chinese Academy of Sciences,Beijing 100049,China

Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China

School of Nuclear Sciences and Technology,University of Chinese Academy of Sciences,Beijing 101408,China

Department of Physics,Tsinghua University,Beijing 100084,China

CAS Key Laboratory of Theoretical Physics,Institute of Theoretical Physics,Chinese Academy of Sciences,Beijing 100190,China

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National Key R&D Program of ChinaNational Key R&D Program of ChinaNatural Science Foundation of HenanNatural Science Foundation of HenanNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaOpen Project of Guangxi Key Laboratory of Nuclear Physics and Nuclear TechnologyCentral Government Guidance Funds for Local Scientific and Technological Development,ChinaNational Key Research and Development Program of ChinaChinese Academy of SciencesYouth Innovation Promotion Association of CAS

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2024

10.1088/0256-307X/41/10/101401

中国物理快报(英文版)
中国科学院物理研究所,中国物理学会

中国物理快报(英文版)

CSTPCDEI
影响因子：0.515
ISSN：0256-307X
年,卷(期)：2024.41(10)