首页|Exploring hidden-charm and hidden-strange hexaquark states from lattice QCD

Exploring hidden-charm and hidden-strange hexaquark states from lattice QCD

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Based on five different ensembles of newly generated(2+1)-flavor configurations with pion mass of approximately mπ(≌)(140-310)MeV,we present a lattice analysis of hidden-charm and hidden-strange hexaquarks with the quark content uscds(c).The correlation matrices of two types of operators with JPC=0++,0-+,1++and 1--are simulated to extract the masses of the hex-aquark candidates,which are subsequently extrapolated to the physical pion mass and continuum limit.The results indicate that ground state masses are below the Ξc(Ξ)c threshold and provide a characteristic signal for the experimental discovery of hex-aquark candidates,which may enrich the versatile structure of multiquarks;moreover,it is an indispensable step to decipher the nonperturbative nature of the fundamental interactions of quarks and gluons.

quantum chromodynamicslattice QCDmultiquark states

Hang Liu、Jinchen He、Liuming Liu、Peng Sun、Wei Wang、Yi-Bo Yang、Qi-An Zhang

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INPAC,Key Laboratory for Particle Astrophysics and Cosmology(MOE),Shanghai Key Laboratory for Particle Physics and Cosmology,School of Physics and Astronomy,Shanghai Jiao Tong University,Shanghai 200240,China

Maryland Center for Fundamental Physics,Department of Physics,University of Maryland,College Park,Maryland 20742,USA

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

University of Chinese Academy of Sciences,Beijing 100049,China

Department of Physics and Institute of Theoretical Physics,Nanjing Normal University,Nanjing 210023,China

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

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

School of Fundamental Physics and Mathematical Sciences,Hangzhou Institute for Advanced Study,UCAS,Hangzhou 310024,China

International Centre for Theoretical Physics Asia-Pacific,Beijing 100049/Hangzhou 310024,China

School of Physical Sciences,University of Chin

School of Physics,Beihang University,Beijing 102206,China

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National 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 ChinaNatural Science Foundation of ShanghaiJiangsu Specially Appointed Professor ProgramStrategic Priority Research Program of Chinese Academy of SciencesStrategic Priority Research Program of Chinese Academy of SciencesNational Natural Science Foundation of China(NSFC)and Deutsche Forschungsgemeinschaft(DFG)joint grantSiyuan Mark 1 cluster at Center for High Performance ComputingShanghai Jiao Tong University and National Super Computing Center in Zhengzhou

117350101197512711911530088U203210212005130121255031233500315DZ2272100XDB34030303XDPB1512061131006

2024

10.1007/s11433-023-2205-0

中国科学:物理学 力学 天文学(英文版)
中国科学院

中国科学:物理学 力学 天文学(英文版)

CSTPCD
影响因子：0.91
ISSN：1674-7348
年,卷(期)：2024.67(1)
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