Published December 2, 2005
| Version v1
Journal article
Measurements of B Decays to Two Kaons
Creators
- 1. High Energy Accelerator Research Organization (KEK), Tsukuba (Japan)
Description
We report measurements of B meson decays to two kaons using 253 fb-1 of data collected with the Belle detector at the KEKB energy-asymmetric e+e- collider. We find evidence for signals in B+→K0K+ and B0→K0K0 with significances of 3.0σ and 3.5σ, respectively. (Charge-conjugate modes are included.) The corresponding branching fractions are measured to be B(B+→K0K+)=(1.0±0.4±0.1)x10-6 and B(B0→K0K0)=(0.8±0.3±0.1)x10-6. These decay modes are examples of hadronic b→d transitions. No signal is observed in the decay B0→K+K-, and we set an upper limit of 3.7x10-7 at 90% confidence level
Additional details
Identifiers
- DOI
- 10.1103/PhysRevLett.95.231802;
- arXiv
- arXiv:hep-ex/0506080v3;
Publishing Information
- Journal Title
- Physical Review Letters
- Journal Volume
- 95
- Journal Issue
- 23
- Journal Page Range
- p. 231802-231802.5
- ISSN
- 0031-9007
- CODEN
- PRLTAO
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 37015643
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- ASYMMETRY; B NEUTRAL MESONS; B PLUS MESONS; BRANCHING RATIO; CP INVARIANCE; HADRONIC PARTICLE DECAY; KAONS MINUS; KAONS NEUTRAL; KAONS PLUS
- Descriptors DEC
- B MESONS; BEAUTY MESONS; BEAUTY PARTICLES; BOSONS; DECAY; DIMENSIONLESS NUMBERS; ELEMENTARY PARTICLES; HADRONS; INVARIANCE PRINCIPLES; KAONS; MESONS; PARTICLE DECAY; PSEUDOSCALAR MESONS; STRANGE MESONS; STRANGE PARTICLES
Optional Information
- Notes
- (c) 2005 The American Physical Society
- Collaborations
- Belle Collaboration