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Study of B-0 ->pi(0)pi(0), B-+/-->pi(+/-)pi(0), and B-+/--> K-+/-pi(0) decays, and isospin analysis of B ->pi pi decays
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(2007) Study of B-0 ->pi(0)pi(0), B-+/-->pi(+/-)pi(0), and B-+/--> K-+/-pi(0) decays, and isospin analysis of B ->pi pi decays. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.76 (No.9). Article No. 091102 . doi:10.1103/PhysRevD.76.091102 ISSN 1550-7998.
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Official URL: http://dx.doi.org/10.1103/PhysRevD.76.091102
Abstract
We present updated measurements of the branching fractions and CP asymmetries for B-0 ->pi(0)pi(0), B-+/-->pi(+/-)pi(0), and B-+/--> K-+/-pi(0). Based on a sample of 383x10(6) Upsilon(4S)-> B (B) over bar decays collected by the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC, we measure B(B-0 ->pi(0)pi(0))=(1.47 +/- 0.25 +/- 0.12)x10(-6), B(B-+/-->pi(+/-)pi(0))=(5.02 +/- 0.46 +/- 0.29)x10(-6), and B(B-+/--> K-+/-pi(0))=(13.6 +/- 0.6 +/- 0.7)x10(-6). We also measure the CP asymmetries C-pi(pi)0(0)=-0.49 +/- 0.35 +/- 0.05, A(pi)(pi)(+)(0)=0.03 +/- 0.08 +/- 0.01, and A(K)(pi)(+)(0)=0.030 +/- 0.039 +/- 0.010. Finally, we present bounds on the Cabibbo-Kobayashi-Maskawa angle alpha using isospin relations.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Physical Review D (Particles, Fields, Gravitation and Cosmology) | ||||
Publisher: | American Physical Society | ||||
ISSN: | 1550-7998 | ||||
Official Date: | November 2007 | ||||
Dates: |
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Volume: | Vol.76 | ||||
Number: | No.9 | ||||
Number of Pages: | 9 | ||||
Page Range: | Article No. 091102 | ||||
DOI: | 10.1103/PhysRevD.76.091102 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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