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http://hdl.handle.net/2445/140431
Title: | Observation of B0 Meson Decay to a±1(1260)π∓ |
Author: | Graugés Pous, Eugeni BABAR Collaboration |
Keywords: | Física de partícules Experiments Particle physics Experiments |
Issue Date: | 4-Aug-2006 |
Publisher: | American Physical Society |
Abstract: | We present a measurement of the branching fraction of the decay B 0 → a ± 1 ( 1260 ) π ∓ with a ± 1 ( 1260 ) → π ∓ π ± π ± . The data sample corresponds to 218 × 10 6 B ¯¯¯ B pairs produced in e + e − annihilation through the Υ ( 4 S ) resonance. We measure the branching fraction B ( B 0 → a ± 1 ( 1260 ) π ∓ ) B ( a ± 1 ( 1260 ) → π ∓ π ± π ± ) = ( 16.6 ± 1.9 ± 1.5 ) × 10 − 6 , where the first error quoted is statistical and the second is systematic. |
Note: | Reproducció del document publicat a: https://doi.org/10.1103/PhysRevLett.97.051802 |
It is part of: | Physical Review Letters, 2006, vol. 97, num. 5, p. 051802 |
URI: | http://hdl.handle.net/2445/140431 |
Related resource: | https://doi.org/10.1103/PhysRevLett.97.051802 |
ISSN: | 0031-9007 |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
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