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Four-Quark Mesons in Non-leptonic B Decays--Could They Resolve Some Old Puzzles?

I. Bigi·L. Maiani·F. Piccinini·A. D. Polosa·V. Riquer
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Abstract

We point out that non-leptonic B decays driven by b-->ccbar s should provide a favourable environment for the production of hidden charm diquark-antidiquark bound states that have been suggested to explain the resonances with masses around 4 GeV recently observed by BaBar and BELLE. Studying their relative abundances in non-leptonic B decays can teach us novel lessons about their structure and the strong interactions. Through their decay into psi they can provide a natural explanation of the excess of B-->psi X observed for p_psi < 1 GeV. Other phenomenological consequences are mentioned as well.

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I. Bigi, L. Maiani, F. Piccinini, A. D. Polosa, V. Riquer. 2005-10-23. Four-Quark Mesons in Non-leptonic B Decays--Could They Resolve Some Old Puzzles?. https://doi.org/10.1103/physrevd.72.114016

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