Abstract
Dynamics of hadro-quarkonium system is formulated, based on the channel coupling of a light hadron (h) and heavy quarkonium \(\left( {Q\bar Q} \right)\) to heavy-light mesons (\(Q_{\bar q}\), \(\bar Q_q\)). Equations for hadro-quarkonium amplitudes and resonance positions are written explicitly, and numerically calculated for the special case of πϒ(nS) (n = 1, 2, 3). It is also shown that the recently observed by Belle two peaks Z b (10610) and Z b (10650) are in agreement with the proposed theory. It is demonstrated that theory predicts peaks at the BB*, B*B* thresholds in all available πϒ(nS) channels.
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Danilkin, I.V., Orlovsky, V.D. & Simonov, Y.A. Hadro-quarkonia dynamics and Z b states. Phys. Atom. Nuclei 76, 1135–1143 (2013). https://doi.org/10.1134/S1063778813090044
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DOI: https://doi.org/10.1134/S1063778813090044