Measurement of the Lepton Polarization and in the Decay
Journal Article
·
· Physical Review Letters
Here, we discuss the first measurement of the lepton polarization in the decay as well as a new measurement of the ratio of the branching fractions , where denotes an electron or a muon, and the is reconstructed in the modes and . We use the full data sample of pairs recorded with the Belle detector at the KEKB electron-positron collider. Our findings, and , are consistent with the theoretical predictions of the standard model.
- Research Organization:
- Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF)
- Contributing Organization:
- Belle Collaboration
- Grant/Contract Number:
- SC0009973
- OSTI ID:
- 1594359
- Alternate ID(s):
- OSTI ID: 1359986
- Journal Information:
- Physical Review Letters, Vol. 118, Issue 21; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 274 works
Citation information provided by
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