TETRAQUARK

作品数：63被引量：18H指数：3
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相关机构：中国科学院大学更多>>
相关期刊：《Communications in Theoretical Physics》《Bulletin of the Chinese Academy of Sciences》《Chinese Physics Letters》《原子核物理评论》更多>>
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Decoding the double heavy tetraquark state Tcc+被引量：1
《Science Bulletin》2022年第15期1522-1525,共4页Cheng-Rong Deng Shi-Lin Zhu 
partly supported by the National Natural Science Foundation of China(11975033 and 12070131001);Chongqing Natural Science Foundation(cstc2019jcyj-msxm X0409);Fundamental Research Funds for the Central Universities(SWU118111)。
Recently,the LHCb Collaboration reported the doubly charmed state T^(+)with IJ^(P)=01^(+)in the D^(0)^(0)π^(+) invariant mass spectrum[1].Its extremely small binding energy and width can match very well with the pred...
关键词：INVARIANT 四夸克态 STATE 
Is the existence of a J/ψJ/ψbound state plausible?
《Science Bulletin》2021年第24期2462-2470,M0003,共10页Xiang-Kun Dong Vadim Baru Feng-Kun Guo Christoph Hanhart Alexey Nefediev Bing-Song Zou 
supported in part by the Chinese Academy of Sciences(CAS)under Grants No.XDPB15,No.XDB34030000,and No.QYZDB-SSW-SYS013;the National Natural Science Foundation of China(NSFC)under Grants No.11835015,No.12047503 and No.11961141012;the NSFC and the Deutsche Forschungsgemeinschaft(DFG)through the funds provided to the Sino-German Collaborative Research Center‘‘Symmetries and the Emergence of Structure in QCD”(NSFC Grant No.12070131001,DFG Project-ID 196253076–TRR110);supported by Ministry of Science and Education of Russian Federation under Grant 14.W03.31.0026。
In a recent measurement LHCb reported pronounced structures in the J/ψJ/ψspectrum.One of the various possible explanations of those is that they emerge from non-perturbative interactions of vector charmonia.It is th...
关键词：Fully-charm tetraquark Hadronic molecule Exotic hadron Dispersion relation 
Implications of the Z_(cs)(3985) and Z_(cs)(4000) as two different states被引量：2
《Science Bulletin》2021年第20期2065-2071,M0003,共8页Lu Meng Bo Wang Guang-Juan Wang Shi-Lin Zhu 
supported by the National Natural Science Foundation of China(11975033 and 12070131001);funded by the Deutsche Forschungsgemeinschaft(DFG,German Research Foundation,Project ID 196253076-TRR 110);supported by JSPS KAKENHI(20F20026)。
Recently,the hidden charm tetraquark states Z_(cs)(3985)and Z_(cs)(4000)with strangeness were observed by the BESⅢ and LHCb collaborations,respectively,which are great breakthroughs for exploring exotic quantum chrom...
关键词：TETRAQUARK Strangness Heavy quark spin symmetry Zcs states 
The new resonances Z_(cs)(3985)and Z_(cs)(4003)(almost)fill two tetraquark nonets of broken SU(3)_(f)被引量：4
《Science Bulletin》2021年第16期1616-1619,M0003,共5页Luciano Maiani Antonio D.Polosa Verónica Riquer 
Hadrons made by diquark-antidiquark pairs(tetraquarks)are held together by QCD forces in an overall color singlet.As stated in the original proposals and similarly to baryons and qq mesons,tetraquarks form complete mu...
关键词：奇异夸克 共振态 SU(3) 四夸克态 BESⅢ 九重态 宇称 简并 
Predicting the D_(s)(*)D_(s)(*)bound states as the partners of X(3872)
《Science Bulletin》2021年第13期1288-1295,M0003,M0004,共10页Lu Meng Bo Wang Shi-Lin Zhu 
This project was supported by the National Nat-ural Science Foundation of China(11975033 and 12070131001);This project was also funded by the Deutsche Forschungsgemeinschaft(DFG,German Research Foundation,Project ID 196253076-TRR 110).
In this work,we investigate the SU(3)flavor symmetry,heavy quark spin symmetry and their breaking effects in the di-meson systems.We prove the existence of the[D_(s)(*)D_(s)(*)]^(0++),[D_(s)(*)D_(s)(*)]^(1++),and[D_(s...
关键词：SU(3)flavor symmetry Hadronic molecule Xe3872T TETRAQUARK 
The possible tetraquark states cccc observed by the LHCb experiment被引量：1
《Science Bulletin》2020年第23期1952-1953,共2页Kuang-Ta Chaoa Shi-Lin Zhua 
supported by the National Natural Science Foundation of China (11975033 and 11745006)。
The molecular positronium (sometimes also denoted as di-positronium) was the multi-electron bound state composed of e+e-e+e-,where the electromagnetic interaction is the underlying driving force.Although its existence...
关键词：force. QUARK POSITRONIUM 
About the J/ψ J/ψ peak of LHCb: fully-charmed tetraquark?被引量：1
《Science Bulletin》2020年第23期1954-1955,共2页Jean-Marc Richard 
Since several decades, a particular attention has been devoted to hadrons with anomalous properties [1–5]. On the experimental side, the search has been very difficult and disappointing. For instance, in the early 60...
关键词：devoted instance OBSERVABLE 
Observation of structure in the J/ψ-pair mass spectrum被引量：5
《Science Bulletin》2020年第23期1983-1993,M0004,共12页大型强子对撞机底夸克实验(LHCb)合作组 
support from CERN;from the national agencies: CAPES, CNPq, FAPERJ and FINEP (Brazil);MOST and NSFC (China);CNRS/IN2P3 (France);BMBF, DFG and MPG (Germany);INFN (Italy);NWO (Netherlands);MNiSW and NCN (Poland);MEN/IFA (Romania);MSHE (Russia);MinECo (Spain);SNSF and SER (Switzerland);NASU (Ukraine);STFC (United Kingdom);DOE NP and NSF (USA);AvH Foundation (Germany);EPLANET, Marie Sklodowska-Curie Actions and ERC (European Union);A^(*)MIDEX, ANR, Labex P2IO and OCEVU, and Region Auvergne-Rhone-Alpes (France);Key Research Program of Frontier Sciences of CAS, CAS PIFI;the Thousand Talents Program (China);RFBR, RSF and Yandex LLC (Russia);GVA, XuntaGal and GENCAT (Spain);the Royal Society and the Leverhulme Trust (United Kingdom)。
Using proton-proton collision data at centre-of-mass energies of and 13 TeV recorded by the LHCb experiment at the Large Hadron Collider,corresponding to an integrated luminosity of 9 fb-1,the invariant mass spectrum ...
关键词：QCD EXOTICS TETRAQUARK Spectroscopy QUARKONIUM Particle and resonance production 
Strong decays of fully-charm tetraquarks into di-charmonia
《Science Bulletin》2020年第23期1994-2000,M0004,共8页Hua-Xing Chen Wei Chenc Xiang Liu Shi-Lin Zhu 
supported by the National Natural Science Foundation of China (11722540 and 11975033);the Chinese National Youth Thousand Talents Program;the China National Funds for Distinguished Young Scientists (11825503);the National Program for Support of Top-notch Young Professionals;the Fundamental Research Funds for the Central Universities。
We study strong decays of the possible fully-charm tetraquarks recently observed by LHCb,and calculate their relative branching ratios through the Fierz rearrangement.Together with our previous QCD sum rule study,our ...
关键词：Fully-heavy tetraquark QCD sum rules Fierz rearrangement 
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