Glueball Production via Gluonic Penguin B Decays

Details Glueball Production via Gluonic Penguin B Decays Glueball Production via Gluonic Penguin B Decays

2006-12-10

arxiv.org/abs/hep-ph/0612108v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 2 figures. Revised with next-to-leading contributions from both top and charm penguins included. New references added

Scientific paper

We study glueball G production in gluonic penguin decay B -> X_s G, using next-to-leading order b -> s g^* gluonic penguin interaction and an effective coupling of a glueball to two gluons. The effective coupling allows us to study the decay rate of a glueball to two pseudoscalars in the framework of chiral perturbation theory. Identifying the f_0(1710) to be a scalar glueball, we then determine the effective coupling strength with the branching ratio of f_0(1710) -> K KBar. We find that the charm penguin to be important and obtain a sizable branching ratio for Br(B -> X_s G) in the range of (0.7 - 1.7) \times 10^{-4}. Rare hadronic B decay data from BaBar and Belle can provide important information about glueballs.

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