. (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 . ISSN 1550-7998

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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.

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Item Type:	Journal Article
Subjects:	Q Science > QB Astronomy Q Science > QC Physics
Divisions:	Faculty of Science > Physics
Journal or Publication Title:	Physical Review D (Particles, Fields, Gravitation and Cosmology)
Publisher:	American Physical Society
ISSN:	1550-7998
Date:	November 2007
Volume:	Vol.76
Number:	No.9
Number of Pages:	9
Page Range:	Article No. 091102
Identification Number:	10.1103/PhysRevD.76.091102
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
URI:	http://wrap.warwick.ac.uk/id/eprint/30924

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