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CERN Document Server 2 záznamov nájdených  Hľadanie trvalo 0.93 sekúnd. 
1.
Fully heavy tetraquark states and their evidences in LHC observations / liu, Ming-Sheng (Hunan Normal U. ; Hunan, LDQSQC ; SICQEA, Changsha) ; Liu, Feng-Xiao (Hunan Normal U. ; Hunan, LDQSQC ; SICQEA, Changsha) ; Zhong, Xian-Hui (Hunan Normal U. ; Hunan, LDQSQC ; SICQEA, Changsha) ; Zhao, Qiang (Beijing, Inst. High Energy Phys. ; North China Electric Power U., Beijing ; Beijing, GUCAS ; SICQEA, Changsha)
Stimulated by the exciting progress on the observations of the fully-charmed tetraquarks at LHC, we carry out a combined analysis of the mass spectra and fall-apart decays of the $1S$-, $2S$-, and $1P$-wave $cc\bar{c}\bar{c}$ states in a nonrelativistic quark model (NRQM). It is found that the $X(6600)$ structure observed in the di-$J/\psi$ invariant mass spectrum can be explained by the $1S$-wave state $T_{(4c)0^{++}}(6550)$. [...]
arXiv:2006.11952.- 2024-04-01 - 14 p. - Published in : Phys. Rev. D 109 (2024) 076017 Fulltext: 2006.11952 - PDF; Publication - PDF;
2.
Nature of $X(6900)$ and its production mechanism at LHCb / Gong, Chang (Beijing, Inst. High Energy Phys. ; TPCSF, Beijing) ; Du, Meng-Chuan (Beijing, Inst. High Energy Phys. ; TPCSF, Beijing ; Beijing, GUCAS) ; Zhao, Qiang (TPCSF, Beijing ; Beijing, GUCAS ; SICQEA, Changsha) ; Zhong, Xian-Hui (Hunan Normal U. ; Hunan, LDQSQC ; SICQEA, Changsha) ; Zhou, Bin (Beijing, Inst. High Energy Phys. ; TPCSF, Beijing)
We show that the Pomeron exchanges play a unique role in vector charmonium scatterings. Such a mechanism can provide a natural explanation for the nontrivial structures in the di-$J/\psi$ spectrum observed by the LHCb Collaboration. [...]
arXiv:2011.11374.- 2022-01-10 - 6 p. - Published in : Phys. Lett. B 824 (2022) 136794 Fulltext: 2011.11374 - PDF; 1-s2.0-S0370269321007346-main - PDF;

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