论文标题
大量重型Tetraquarks $ QQ \ bar Q \ bar Q $在扩展相关夸克模型中
Masses of fully heavy tetraquarks $QQ \bar Q \bar Q$ in an extended relativized quark model
论文作者
论文摘要
受到LHCB合作中可能充满魅力的Tetraquark的测量的启发，我们研究了在扩展的相对夸克模型中，完全沉重的Tetraquarks $ qq \ bar q \ bar q $的质谱。我们的估计表明，大约6.4 GEV的宽结构应包含一个或多个地面$ cc \ bar c \ bar c $ tetraquark States，而6.9 GEV接近6.9 GEV的狭窄结构可以归类为$ cc \ bar c \ bar c $ System的第一个径向激发。此外，随着四夸克人和介子的波函数，定性地讨论了将四夸克人变成繁重的Quarkonium对的强烈衰变，可以通过LHCB和CMS协作进一步检查。
Inspired by recent measurement of possible fully charmed tetraquarks in LHCb Collaboration, we investigate the mass spectra of fully heavy tetraquarks $QQ \bar Q \bar Q$ in an extended relativized quark model. Our estimations indicate that the broad structure around 6.4 GeV should contain one or more ground $cc \bar c \bar c$ tetraquark states, while the narrow structure near 6.9 GeV can be categorized as the first radial excitation of $cc \bar c \bar c$ system. Moreover, with the wave functions of the tetraquarks and mesons, the strong decays of tetraquarks into heavy quarkonium pair are qualitatively discussed, which can be further checked by the LHCb and CMS Collaborations.
