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Hidden-charm pentaquark states through the current algebra: From their productions to decays
Hua-Xing Chen
There may exist seven hadronic molecular states. We construct their corresponding interpolating currents, and calculate their masses and decay constants us…
Establishing the first hidden-charm pentaquark with strangeness
Hua-Xing Chen, Wei Chen, Xiang Liu +1
We study the recently observed by LHCb using the method of QCD sum rules. Our results support its interpretation as the hadronic molecular state of…
Light tetraquark states with the exotic quantum number
Niu Su, Rui-Rui Dong, Hua-Xing Chen +2
We apply the method of QCD sum rules to study the tetraquark states with the exotic quantum number , and extract mass of the lowest-lying state…
and : hadronic molecules or compact tetraquarks
Hua-Xing Chen, Wei Chen, Rui-Rui Dong +1
Very recently the LHCb Collaboration reported their observation of the first two fully open-flavor tetraquark states, the of and the of $J^P = 1…
Is the composed of four bare quarks?
Hua-Xing Chen
When studying tetraquark states using the method of QCD sum rules, we find some tetraquark currents, such as and …
Strong decays of fully-charm tetraquarks into di-charmonia
Hua-Xing Chen, Wei Chen, Xiang Liu +1
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 wi…