diquarkonium en · NOUN
Etymology
From di- + quarkonium.
Meanings
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A metastable state formed from a pair of diquarks
In this note we attempt an estimate of its transition rate through a non-relativistic calculation of the electric dipole term of a diquarkonium bound state.
2015, H.-X. Chen, L. Maiani, A.D. Polosa, V. Riquer, “Y(4260) --> gamma + X(3872) in the diquarkonium picture”, in arXiv: