Search for Lepton Flavor Violation in the Decay τ± → μ±γ

B Aubert; Matthew Barrett; Kelly Ford; Theresa Harrison; Alistair Hart; Christopher Hawkes; Sian Morgan; Alan Watson

doi:10.1103/PhysRevLett.95.041802

Search for Lepton Flavor Violation in the Decay τ± → μ±γ

B Aubert, Matthew Barrett, Kelly Ford, Theresa Harrison, Alistair Hart, Christopher Hawkes, Sian Morgan, Alan Watson

Physics and Astronomy

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113 Citations (Scopus)

Abstract

A search for the nonconservation of lepton flavor number in the decay tau(+/-) --> mu(+/-) has been performed using 2.07 x 10(8) e(+ )e(-) tau(+) tau(-) events produced at a center-of-mass energy near 10.58 GeV with the BABAR detector at the PEP-II storage ring. We find no evidence for a signal and set an upper limit on the branching ratio of Beta(tau(+/-) --> mu(+/-) gamma) <6.8 x 10(-8) at 90% confidence level.

Original language	English
Pages (from-to)	041802
Number of pages	1
Journal	Physical Review Letters
Volume	95
DOIs	https://doi.org/10.1103/PhysRevLett.95.041802
Publication status	Published - 1 Jan 2005

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10.1103/PhysRevLett.95.041802

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abstract = "A search for the nonconservation of lepton flavor number in the decay tau(+/-) --> mu(+/-) has been performed using 2.07 x 10(8) e(+ )e(-) tau(+) tau(-) events produced at a center-of-mass energy near 10.58 GeV with the BABAR detector at the PEP-II storage ring. We find no evidence for a signal and set an upper limit on the branching ratio of Beta(tau(+/-) --> mu(+/-) gamma) <6.8 x 10(-8) at 90% confidence level.",

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AU - Aubert, B

AU - Barrett, Matthew

AU - Ford, Kelly

AU - Harrison, Theresa

AU - Hart, Alistair

AU - Hawkes, Christopher

AU - Morgan, Sian

AU - Watson, Alan

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AB - A search for the nonconservation of lepton flavor number in the decay tau(+/-) --> mu(+/-) has been performed using 2.07 x 10(8) e(+ )e(-) tau(+) tau(-) events produced at a center-of-mass energy near 10.58 GeV with the BABAR detector at the PEP-II storage ring. We find no evidence for a signal and set an upper limit on the branching ratio of Beta(tau(+/-) --> mu(+/-) gamma) <6.8 x 10(-8) at 90% confidence level.

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DO - 10.1103/PhysRevLett.95.041802

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SN - 1079-7114

VL - 95

SP - 041802

JO - Physical Review Letters

JF - Physical Review Letters

ER -

Search for Lepton Flavor Violation in the Decay τ± → μ±γ

Abstract

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