2006/06/30 by The BABAR Collaboration, R. Barate, B. Aubert +98 · 4 citations
Mathematics · Physics and Astronomy · #Combinatorics #Distribution (mathematics) #High-Energy Particle Collisions Research #Mathematical analysis #Mathematics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Statistics #hep-ex
paper · pdf · doi:10.1103/physrevd.74.032005
published in Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields 74(3) (American Physical Society) · Published version
openalex publication_date 2006/08/11 · arxiv created 2006/08/14 · arxiv updated 2010/03/19 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/06
We present the first search for the decay B0\ensuremath→KS0KS0KL0 using a data sample of 232\ifmmode×\else\texttimes\fi106 BB pairs. We find no statistically significant evidence for the nonresonant component of this decay. Our central value for the branching fraction, assuming the true Dalitz distribution is uniform and excluding the \ensuremathφ resonance, is B(B0\ensuremath→KS0KS0KL0)=(2.4_\ensuremath-2.5+2.7\ifmmode±\else\textpm\fi0.6)\ifmmode×\else\texttimes\fi10^\ensuremath-6 where the errors are statistical and systematic, respectively. We set a single-sided Bayesian upper limit of B(B0\ensuremath→KS0KS0KL0)<7.4\ifmmode×\else\texttimes\fi10^\ensuremath-6 at 90% confidence level using a uniform prior probability for physical values. Assuming the worst-case true Dalitz distribution, where the signal is entirely in the region of lowest efficiency, the 90% confidence level upper limit is B(B0\ensuremath→KS0KS0KL0)<16\ifmmode×\else\texttimes\fi10^\ensuremath-6.