Using QCD sum rules with an energy-scale formula carried over from tetraquark analyses, the author predicts hidden-charm hybrid masses between 4.0 and 5.8 GeV across nine J^PC channels.
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Mass spectrum of the hidden-charm hybrid states via the QCD sum rules
Using QCD sum rules with an energy-scale formula carried over from tetraquark analyses, the author predicts hidden-charm hybrid masses between 4.0 and 5.8 GeV across nine J^PC channels.