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Measurement of the radiative K-e3 branching ratio

Abstract:
We present a measurement of the relative branching ratio of the decay K0 → π±e±νγ (Ke3γ) with respect to K0 → π±e±ν (Ke3 + K e3γ) decay. The result is based on observation of 19 000 K e3γ and 5.6 × 106 Ke3 decays. The value of the branching ratio is Br(Ke3γ0, E γ* > 30 MeV, θeγ* > 20°)/Br(Ke30) = (0.964±0.008 -0.009+0.011)%. This result agrees with theoretical predictions but is at variance with a recently published result. © 2004 Elsevier B.V. All rights reserved.
Publication status:
Published

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Authors


Dosanjh, RS More by this author
Gershon, TJ More by this author
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Journal:
PHYSICS LETTERS B
Volume:
605
Issue:
3-4
Pages:
247-255
Publication date:
2005-01-13
DOI:
ISSN:
0370-2693
URN:
uuid:2da6478d-6194-410c-995e-62ce95d1bd80
Source identifiers:
10320
Local pid:
pubs:10320
Language:
English

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