CHARMONIUM

作品数：78被引量：16H指数：1
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相关领域：理学更多>>
相关作者：刘川平荣刚苑长征金山刘魁勇更多>>
相关机构：北京大学中国科学院中国科学院大学上海大学更多>>
相关期刊：《Chinese journal of nuclear physics》《Chinese Physics Letters》《Science China(Physics,Mechanics & Astronomy)》《Communications in Theoretical Physics》更多>>
相关基金：国家自然科学基金国家重点基础研究发展计划俄罗斯基础研究基金中国科学院知识创新工程更多>>
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Tests of CP Symmetry in Entangled Hyperon Antihyperon Pairs at BESⅢ
《Chinese Physics Letters》2025年第4期38-42,共5页Wenjing Zheng Andrzej Kupsc Simone Pacetti Francesco Rosini Nora Salone Xiongfei Wang Shuang-shi Fang 
supported by the National Natural Science Foundation of China(Grant No.12225509),the National Natural Science Foundation of China(Grant No.12247101);the Polish National Science Centre(Grant No.2024/53/B/ST2/00975);the Fundamental Research Funds for the Central Universities(Grant No.lzujbky-2024-jdzx06);the Natural Science Foundation of Gansu Province(Grant No.22JR5RA389);the‘111 Center’under Grant No.B20063。
Decays of charmonium into hyperon and antihyperon pairs provide a pristine laboratory for exploring hyperon properties,such as their polarization and decay parameters,and for conducting tests of fundamental symmetries...
关键词：BESIII hyperon antihyperon pairs tests cp symmetry decay parameters CP symmetry decays charmonium hyperon antihyperon pairs polarization exploring hyperon 
Polarization study of P-wave charmonium radiative decay into a light vector meson at e^(+)e^(-) collider experiment
《Chinese Physics C》2025年第1期19-34,共16页Yong-Qing Chen Peng-Cheng Hong Zhuo Chen Wei Shan Wei-Min Song 
Supported by the National Natural Science Foundation of China(11805064,11975118);State Key Laboratory of Nuclear Physics and Technology,Peking university(NPT2025KFY03)。
In this paper,a formalism is presented for the helicity amplitude analysis of the decays Ψ(2S)→γ_(1)χ_(c)J,χ_(c)J→γ_(2)V(V=p^(0),φ,ω)(subscripts 1 and 2 are used to distinguish the two radiative photons),and ...
关键词：P-wave charmonia POLARIZATION vector meson angular distribution spin density matrix 
Study of charmonium(-like)mesons under a diabatic approach
《Chinese Physics C》2025年第1期70-79,共10页Zi-Zhao Zhang Rong Li Bo-Chao Liu 
Supported by the National Natural Science Foundation of China(U1832160);Natural Science Foundation of Shaanxi Province,China(2024JC-YBMS-010)。
In this work,we study the charmonium(-like)spectrum below 4.1 GeV using the diabatic approach,which offers a unified description of conventional and unconventional heavy meson states.Compared to previous studies,we co...
关键词：quark model charmonium spectrum molecular state 
Charm physics with overlap fermions on 2+1-flavor domain wall fermion configurations
《Chinese Physics C》2024年第12期50-62,共13页Dong-Hao Li Ying Chen Ming Gong Keh-Fei Liu Zhaofeng Liu Ting-Xiao Wang 
Supported in part by the National Key Research and Development Program of China(2020YFA0406400,2023YFA1606002);the National Natural Science Foundation of China(12075253,11935017,12192264,12293060,12293065,12293063,12070131001);CRC 110 by DFG and NNSFC;supported by the U.S.DOE Grant(DE-SC0013065)and DOE Grant(DEAC05-06OR23177),which is within the framework of the TMD Topical Collaboration。
Decay constants of pseudoscalar mesons D,D_(s),η_(c) and vector mesons D^(*),D_(s)^(*),J/ψ are determined from the N_(f)=2+1 lattice QCD at a lattice spacing a~0.08 fm.For vector mesons,the decay constants defined b...
关键词：charmed meson decay constants lattice QCD leptonic decays charmonium decay constants vector meson decay constants overlap fermions 
New insight into the exotic states strongly coupled with the DD^(*)from the T_(cc)^(+)被引量：1
《Science Bulletin》2024年第19期3036-3041,共6页Guang-Juan Wang Zhi Yang Jia-Jun Wu Makoto Oka Shi-Lin Zhu 
supported by the KAKENHI(19H05159,20K03959,and 21H00132(M.O.),and 23K03427(M.O.and G.J.W),24K17055(G.J.W));the National Natural Science Foundation of China(12275046(Z.Y.),12175239 and 12221005(J.J.W),11975033 and 12070131001(S.L.Z.));the Natural Science Foundation of Sichuan Province(2022NSFSC1795(Z.Y.));the National Key R&D Program of China(2020YFA0406400(J.J.W));the Chinese Academy of Sciences(YSBR-101(J.J.W)).
We have investigated the internal structure of the open-and hidden-charmed(DD^(*)/DD^(*))molecules in the unified framework.We first fit the experimental lineshape of the Tt state and extract the DD^(*)interaction,fro...
关键词：Quark model Charmonium(-like)states Coupled-channel effect Exotic hadrons 
Light quarkonium and charmonium mass shifts in an unquenched quark model
《Chinese Physics C》2024年第9期96-106,共11页Xiaoyun Chen Yue Tan 
Supported by the National Natural Science Foundation of China(12205125,11847145,12205249,11865019);the Natural Science Foundation of Jiangsu Province,China(BK20221166)。
The unquenched quark model for the light quarkonium and charmonium states is explored in this study.The quark-pair creation operator in the^(3)P_(0) model,which combines the two-quark and four-quark components,is modi...
关键词：the unquenched quark model Gaussian expansion method light quarkonium and charmonium states 
Production of charmonium pentaquarks from b-baryon and B-meson decays:SU(3)analysis
《Chinese Physics C》2024年第5期107-116,共10页韩伟毫 邢晔 徐吉 
supported in part by the National Natural Science Foundation of China(12105247);the China Postdoctoral Science Foundation(2021M702957);supported in part by the National Natural Science Foundation of China(12005294)。
Here,we study the production of charmonium pentaquarks cc¯qqq from bottom baryon and B-meson decays under the flavor SU(3)symmetry.Decay amplitudes for various processes are parameterized in terms of SU(3)irreducible...
关键词：PENTAQUARK SU(3)symmetry DECAY 
Production of χ<sub>c</sub> and η<sub>c</sub> in Ultra-Peripheral Collisions with Two-Photon Processes
《Journal of Modern Physics》2023年第12期1634-1640,共7页Gongming Yu Yanbing Cai Quangui Gao Qiang Hu 
We calculate the production of χc and ηc by the two-photon process in ultra-peripheral heavy ion collisions at Relativistic Heavy Ion Collider (RHIC) and Large Hadron Collider (LHC) energies. T...
关键词：CHARMONIUM Two-Photon Processes Ultra-Peripheral Collisions 
Gluon gravitational form factors of protons from charmonium photoproduction
《Chinese Physics C》2023年第7期81-88,共8页王晓云 曾凡聪 王全进 
Supported by the National Natural Science Foundation of China(12065014,12047501);the Natural Science Foundation of Gansu province,China(22JR5RA266);the West Light Foundation of the Chinese Academy of Sciences(21JR7RA201)
Inspired by the recent near-threshold J/ψphotoproduction measurements,we discuss gluon gravitational form factors(GFFs)and internal properties of the proton.This work presents a complete analysis of the proton gluon ...
关键词：gravitational form factors properties of the proton charmonium photoproduction 
对3.9GeV附近0^(++)和2^(++)(类)粲偶素的理解
《Science Bulletin》2023年第7期688-697,共10页纪腾 董相坤 Miguel Albaladejo 杜孟林 郭奉坤 Juan Nieves 邹冰松 
This work was supported by the Spanish Ministerio de Ciencia e Innovación(MICINN)and the European Regional Development Fund(ERDF)under Contract PID2020-112777 GB-I00;by the EU STRONG-2020 Project under the Program H2020-INFRAIA-2018–1 with Grant Agreement No.824093;by Generalitat Valenciana under Contract PROMETEO/2020/023;by the Chinese Academy of Sciences under Grant No.XDB34030000;by the National Natural Science Foundation of China(NSFC)under Grants No.12125507,No.11835015,No.12047503,and No.11961141012;by the NSFC and the Deutsche Forschungsgemeinschaft(DFG)through the funds provided to the Sino-German Collaborative Research Center TRR110“Symmetries and the Emergence of Structure in QCD”(NSFC Grant No.12070131001,DFG Project-ID 196253076);M.A.is supported by Generalitat Valenciana under Grant No.CIDEGENT/2020/002.
在过去的20年里,各个实验组在粲偶素能量区间(约3.1~4.5 GeV)观测到了大量的(类)粲偶素,这些粲偶素的发现不仅极大地丰富了强子谱,也将传统的cc介子拓展到了奇特强子态领域.在3.9 GeV能量附近有许多(类)粲偶素的实验候选者,如:X(3915),Z...
关键词：Charmonium(-like)states Hadronic molecules Heavy quark spin symmetry Exotic hadrons Hadron-hadron interactions 
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