• Rapid Communication

Leptonic branching ratio of the ϒ(2S)

P. Hass et al.
Phys. Rev. D 30, 1996(R) – Published 1 November 1984
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Abstract

Using the CLEO magnetic detector at the Cornell Electron Storage Ring, we find B(ϒ(2S)μ+μ)=0.018±0.008 (statistical) ±0.005 (systematic) and B(ϒ(2S)τ+τ)=0.017 ±0.015±0.006.

  • Received 20 July 1984

DOI:https://doi.org/10.1103/PhysRevD.30.1996

©1984 American Physical Society

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Vol. 30, Iss. 9 — 1 November 1984

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