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Observation of radiative leptonic decay of the tau lepton

Abstract:

Using 4.68 fb(-1) of e(+)e(-) annihilation data collected with the CLEO II detector at the Cornell Electron Storage Ring, we have studied tau radiative decays tau(-)-->nu(tau)andmgr;(-)nu;(andmgr;)gamma and tau(-)-->nu(tau)e(-)nu;(e)gamma. For a 10 MeV minimum photon energy in the tau rest frame, the branching fraction for radiative tau decay to a muon or electron is measured to be (3.61+/-0.16+/-0. 35)x10(-3) or (1.75+/-0.06+/-0.17)x10(-2), respectively. The branching fractions are in ...

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Publication status:
Published

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Publisher copy:
10.1103/physrevlett.84.830

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Particle Physics
Role:
Author
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Journal:
Physical review letters
Volume:
84
Issue:
5
Pages:
830-834
Publication date:
2000-01-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:3e8637ed-7980-4a6a-a9d0-9a1cf87791d7
Source identifiers:
17166
Local pid:
pubs:17166
Language:
English

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