2004/11/17 by The BABAR Collaboration, R. Barate, B. Aubert +98 · 1 citation
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ex
paper · pdf · doi:10.1103/physrevd.71.031103
published as Phys.Rev.D71:031103,2005 · 8 pages, 4 postscript figues, submitted to PRD-RC
arxiv created 2004/11/17 · openalex publication_date 2005/02/15 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/04
We describe searches for B meson decays to the charmless vector-vector final states \ensuremathωK* and \ensuremathω\ensuremathρ in 89\ifmmode×\else\texttimes\fi106 BB pairs produced in e+e^\ensuremath- annihilation at √(s)=10.58 GeV. We measure the following branching fractions in units of 10^\ensuremath-6: B(B0\ensuremath→\ensuremathωK*0)=3.4_\ensuremath-1.6+1.8\ifmmode±\else\textpm\fi0.4(<6.0), B(B+\ensuremath→\ensuremathωK*+)=3.5_\ensuremath-2.0+2.5\ifmmode±\else\textpm\fi0.7(<7.4), B(B0\ensuremath→\ensuremathω\ensuremathρ0)=0.6_\ensuremath-1.1+1.3\ifmmode±\else\textpm\fi0.4(<3.3), and B(B+\ensuremath→\ensuremathω\ensuremathρ+)=12.6_\ensuremath-3.3+3.7\ifmmode±\else\textpm\fi1.6. The first error quoted is statistical, the second systematic, and the upper limits are defined at 90% confidence level. For B+\ensuremath→\ensuremathω\ensuremathρ+ we also measure the longitudinal spin alignment fraction fL=0.88_\ensuremath-0.15+0.12\ifmmode±\else\textpm\fi0.03 and charge asymmetry Ach=(5\ifmmode±\else\textpm\fi26\ifmmode±\else\textpm\fi2)%.