(2012) B0 meson decays to ρ0K *0, f 0K *0, and ρ -K *+, including higher K * resonances. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.85 (No.7). 072005. doi:10.1103/PhysRevD.85.072005 ISSN 1550-7998.

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Abstract

We present branching fraction measurements for the decays B0→ρ0K *0, B0→f 0K *0, and B0→ρ -K *+, where K * is an S-wave (Kπ)0* or a K *(892) meson; we also measure B0→f 0K2*(1430)0. For the K *(892) channels, we report measurements of longitudinal polarization fractions (for ρ final states) and direct CP violation asymmetries. These results are obtained from a sample of (471.0±2.8) ×106 BB̄ pairs collected with the BABAR detector at the PEP-II asymmetric-energy e +e - collider at the SLAC National Accelerator Laboratory. We observe ρ0K *(892)0, ρ0(Kπ)0*0, f 0K *(892)0, and ρ -K *(892) + with greater than 5σ significance, including systematics. We report first evidence for f 0(Kπ)0*0 and f 0K2*(1430)0, and place an upper limit on ρ -(Kπ)0*+. Our results in the K *(892) channels are consistent with no direct CP violation. © 2012 American Physical Society.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
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:	27 April 2012
Dates:	Date Event 27 April 2012 Published
Volume:	Vol.85
Number:	No.7
Page Range:	072005
DOI:	10.1103/PhysRevD.85.072005
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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