Measurement of theB0→K2*(1430)0γandB+→K2*(1430)+γbranching fractions

2003/08/08 by The BABAR Collaboration, B. Aubert, R. Barate +98 · 2 citations
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.70.091105

published as Phys.Rev.D70:091105,2004 · 4 pages, 4 figures

arxiv created 2004/09/13 · openalex publication_date 2004/11/17 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/04

Abstract

We have investigated the exclusive, radiative B meson decays to K₂^*(1430) in 89\ifmmode×\else\texttimes\fi10⁶ BB events with the BABAR detector at the PEP-II storage ring. We measure the branching fractions B(B⁰\ensuremath→K₂^*(1430)⁰\ensuremathγ)=(1.22\ifmmode±\else\textpm\fi0.25\ifmmode±\else\textpm\fi0.10)\ifmmode×\else\texttimes\fi10^\ensuremath-5 and B(B⁺\ensuremath→K₂^*(1430)⁺\ensuremathγ)=(1.45\ifmmode±\else\textpm\fi0.40\ifmmode±\else\textpm\fi0.15)\ifmmode×\else\texttimes\fi10^\ensuremath-5, where the first error is statistical and the second systematic. In addition, we measure the CP-violating asymmetry A_CP[B⁰\ensuremath→K₂^*(1430)⁰\ensuremathγ]=\ensuremath-0.08\ifmmode±\else\textpm\fi0.15\ifmmode±\else\textpm\fi0.01.

Citations

• Study ofB±→J/ψπ±andB±→J/ψK±Decays: Measurement of the Ratio of Branching Fractions and Search for DirectCPViolation
• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)

Cited by

• Measurement ofB→K*(892)γBranching Fractions andCPand Isospin Asymmetries
• Probing photon helicity in radiative B decays via charmonium resonance interference