Determination of $χ_b$ spin in the decays $χ_{b0,2}\toψψ$ and $χ_{b0,2}\to\JP\JP\to 2(μ^+μ^-)$

Details Determination of $χ_b$ spin in the decays $χ_{b0,2}\toψψ$ and $χ_{b0,2}\to\JP\JP\to 2(μ^+μ^-)$ Determination of $χ_b$ spin in the decays $χ_{b0,2}\toψψ$ and $χ_{b0,2}\to\JP\JP\to 2(μ^+μ^-)$

2006-04-14

arxiv.org/abs/hep-ph/0604129v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 4 figures

Scientific paper

The decays $\chi_{b0,2}\to\psi\psi$ and $\chi_{b0,2}\to\psi\psi\to2(\mu^+\mu^-)$ are considered. It is shown that with the help of $\psi$-meson angular distributions and the distributions by final muon kinematical variables it is possible to determine the spin of the decaying $\chi_b$-meson. These distributions can also give an additional information about $\psi$-meson wave functions.

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