Indirect search of exotic mesons: B -> J/psi + Anything

Details Indirect search of exotic mesons: B -> J/psi + Anything Indirect search of exotic mesons: B -> J/psi + Anything

2011-07-15

arxiv.org/abs/1107.3065v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 3 figures, Contribution to the proceedings of "IFAE 2011 Incontri di Fisica delle Alte Energie", Perugia 27-29 April

Scientific paper

We reconsider the discrepancy between theory and data in the momentum
distribution of slow J/psi in B decays. Beside an update of the standard color
singlet and color octet QCD components, we include the contribution from XY Z
exotic mesons, and show that the residual discrepancy could be accommodated
considering new XYZ mesons still unobserved.

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