Measurement of cross sections of exclusive $e^+ e^- \to VP$ processes at $\sqrt{s}=10.58$ GeV

Details Measurement of cross sections of exclusive $e^+ e^- \to VP$ processes at $\sqrt{s}=10.58$ GeV Measurement of cross sections of exclusive $e^+ e^- \to VP$ processes at $\sqrt{s}=10.58$ GeV

2009-06-23

arxiv.org/abs/0906.4214v2

Phys.Lett.B681:400-405,2009

Physics

High Energy Physics

High Energy Physics - Experiment

8 pages, 8 figures

Scientific paper

10.1016/j.physletb.2009.10.037

The cross sections for the reactions $e^+e^- \to \phi\eta, \quad \phi\eta', \quad \rho\eta, \quad \rho\eta'$ have been measured using a data sample of 516 fb$^{-1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. The corresponding values of the cross sections are: $1.4 \pm 0.4 \pm 0.1$ fb $(\phi\eta)$, $5.3 \pm 1.1 \pm 0.4$ fb $(\phi\eta')$, $3.1 \pm 0.5 \pm 0.1$ fb $(\rho\eta)$ and $3.3 \pm 0.6 \pm 0.2$ fb $(\rho\eta')$. The energy dependence of the cross sections is presented using Belle measurements together with those of CLEO and BaBar.

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