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Phys. Rev. D 61, 071101(R) (2000) [6 pages]

Update of the search for the neutrinoless decay τμγ

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S. Ahmed et al. (CLEO Collaboration)
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Received 25 October 1999; revised 5 January 2000; published 8 March 2000

We present an update of the search for the lepton family number violating decay τμγ using 12.6 million τ+τ- pairs collected with the CLEO detector. No evidence of a signal has been found and the corresponding upper limit is B(τμγ)<1.1×10-6 at 90% C.L., significantly smaller than previous experimental limits.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.61.071101
DOI:
10.1103/PhysRevD.61.071101
PACS:
13.35.Dx, 11.30.Fs, 14.60.Fg