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http://hdl.handle.net/2445/131549
Title: | Measurement of the CP-violating asymmetries in B0→K0sπ0 and of the branching fraction B0→K0π0 |
Author: | Garra Ticó, Jordi Graugés Pous, Eugeni BABAR Collaboration |
Keywords: | Física de partícules Experiments Particle physics Experiments |
Issue Date: | 31-Jan-2008 |
Publisher: | American Physical Society |
Abstract: | We present a measurement of the time-dependent C P -violating asymmetries in B 0 → K 0 S π 0 decays based on 383 × 10 6 Υ ( 4 S ) → B ¯¯¯ B events collected by the BABAR experiment at the PEP-II asymmetric-energy B Factory at the Stanford Linear Accelerator Center. We measure the direct C P -violating asymmetry C K 0 S π 0 = 0.24 ± 0.15 ± 0.03 and the C P -violating asymmetry in the interference between mixing and decay S K 0 S π 0 = 0.40 ± 0.23 ± 0.03 , where the first errors are statistical and the second are systematic. On the same sample, we measure the decay branching fraction, obtaining B ( B 0 → K 0 π 0 ) = ( 10.3 ± 0.7 ± 0.6 ) × 10 − 6 . |
Note: | Reproducció del document publicat a: https://doi.org/10.1103/PhysRevD.77.012003 |
It is part of: | Physical Review D, 2008, vol. 77, num. 1, p. 012003 |
URI: | http://hdl.handle.net/2445/131549 |
Related resource: | https://doi.org/10.1103/PhysRevD.77.012003 |
ISSN: | 1550-7998 |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
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