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Four-Quark Mesons in Non-leptonic B Decays--Could They Resolve Some Old
Puzzles?
release_d4hxy3xxbjdhdlar22yhkspet4
by
I. Bigi,
L. Maiani,
F. Piccinini,
A.D. Polosa,
V. Riquer
Released
as a article
.
2005
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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