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Four-quark mesons in nonleptonicBdecays: Could they resolve some old puzzles?
2005
Physical Review D
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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
doi:10.1103/physrevd.72.114016
fatcat:ec4wjj24mrhifkshpdjcmffrgm