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Investigating the structure of X(4140) in QCD
(EDP Sciences, 2017)
In this work, the masses of the ground states coupling to molecular or tetraquark currents with JPC = 0++, 1++, 2++ are studied to investigate the structure of X(4140) exotic meson observed at J/ψφ invariant mass spectrum. ...
Analysis of X(4140) like states and their radial excitations in QCD
(Sissa Medialab Srl, 2017)
In this work, we investigated the X(4140) and like states and their radial excitations by using molecular and diquark-antidiquark currents which couple to scalar, axial vector and tensor states via QCD sum rules. In operator ...
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