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Phys. Rev. D 39, 3528 - 3531 (1989)

Measurement of the muonic branching fractions of the Υ(1S) and Υ(3S)

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W.-Y. Chen et al.
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Rapid Communication Received 14 February 1989

Using the CLEO detector at the Cornell Electron Storage Ring, we have measured the muonic branching fractions Bμμ of the Υ(1S) and Υ(3S) to be (2.52±0.07±0.07)% and (2.02±0.19±0.33)%, respectively.


©1989 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevD.39.3528
DOI: 10.1103/PhysRevD.39.3528
PACS: 13.20.Gd, 14.40.Gx

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