Document type
ArticleVersion
Published versionPublication date
All rights reserved
Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/131434
Measurement of the B± → ρ±π0 branching fraction and direct CP asymmetry
Journal Title
Director/Tutor
Journal ISSN
Volume Title
Related resource
Abstract
We present improved measurements of the branching fraction and C P asymmetry for the process B ± → ρ ± π 0 . The data sample corresponding to 211 fb − 1 comprises 232 × 10 6 Υ ( 4 S ) → B ¯¯¯ B decays collected with the BABAR detector at the PEP-II asymmetric B Factory at SLAC. The yield and C P asymmetry are measured using an extended maximum likelihood fitting method. The branching fraction and C P asymmetry are found to be B ( B ± → ρ ± π 0 ) = [ 10.2 ± 1.4 ( stat ) ± 0.9 ( syst ) ] × 10 − 6 and A C P ( B ± → ρ ± π 0 ) = − 0.01 ± 0.13 ( stat ) ± 0.02 ( syst ) .
Subject
Subject (English)
Citation
Citation
GRAUGÉS POUS, Eugeni and BABAR Collaboration. Measurement of the B± → ρ±π0 branching fraction and direct CP asymmetry. Physical Review D. 2007. Vol. 75, num. 9, pags. 091103(R). ISSN 1550-7998. [consulted: 7 of June of 2026]. Available at: https://hdl.handle.net/2445/131434