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Observation of the conversion decay $\phi\to\pi^0e^+e^-$ at CMD-2

High Energy Physics - Experiment 2008-11-26 v1
Authors: 2 collaboration
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Abstract

Using 15.1^{-1} of data collected by CMD-2 in the ϕ\phi-meson energy range, the branching ratio of the conversion decay ϕ→π0e+e−\phi\to\pi^0e^+e^- has been measured for the first time: B(\phi\to\pi^0e^+e^-) = (1.22 \pm 0.34 \pm 0.21) \cdot 10 ^{-5}.

Keywords

branching fraction hadron decays electron-positron annihilation cross sections

Cite

@article{arxiv.hep-ex/0011026,
  title  = {Observation of the conversion decay $\phi\to\pi^0e^+e^-$ at CMD-2},
  author = {2 collaboration},
  journal= {arXiv preprint arXiv:hep-ex/0011026},
  year   = {2008}
}

Comments

13 pages, 6 PostScript figures, uses refmerge.sty. To be published in Phys. Lett. B

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