Flavor Changing processes in Quarkonium Decays

Details Flavor Changing processes in Quarkonium Decays Flavor Changing processes in Quarkonium Decays

1998-12-10

arxiv.org/abs/hep-ph/9812325v2

Phys.Rev. D60 (1999) 014011

Physics

High Energy Physics

High Energy Physics - Phenomenology

Minor changes in the last section. Latex 22 pages, one figure. To appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.60.014011

We study flavor changing processes $\Upsilon \to B/{\bar B} X_s$ and $J/\psi \to D/{\bar D} X_u$ in the B factories and the Tau-Charm factories. In the standard model, these processes are predicted to be unobservable, so they serve as a probe of the new physics. We first perform a model independent analysis, then examine the predictions of models; such as TopColor models, MSSM with R-parity violation and the two Higgs doublet model; for the branching ratios of $\Upsilon \to B/{\bar B} X_s$ and $J/\psi \to D/{\bar D} X_u$ . We find that these branching ratios could be as large as $10^{-6}$ and $10^{-5}$ in the presence of new physics.

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