Final state interaction effects on the eta(b) => J/psi J/psi decay

Details Final state interaction effects on the eta(b) => J/psi J/psi decay Final state interaction effects on the eta(b) => J/psi J/psi decay

2008-10-15

arxiv.org/abs/0810.2622v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Parallel talk at ICHEP08, Philadelphia, USA, July 2008. 3 pages, LaTeX, 3 eps figures

Scientific paper

We study the effects of final state interactions on the eta(b) => J/psi J/psi
decay. In particular, we discuss the effects of the annihilation of eta(b) into
two charmed meson and their rescattering into J/psi J/psi. We find that the
inclusion of this contribution may enhance the short-distance branching ratio
up to about 2 orders of magnitude.

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