Evidence forf0(980)f0(980)production inχc0decays

2004/06/28 by BES Collaboration, M. Ablikim, J. Z. Bai +98 · 1 citation
Chemistry · Physics and Astronomy · #Analytical Chemistry (journal) #Chemistry #Chromatography #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #hep-ex

paper · pdf · doi:10.1103/physrevd.70.092002

published as Phys.Rev.D70:092002,2004 · 8 pages, 6 figures

arxiv created 2004/06/28 · openalex publication_date 2004/11/05 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

Using a sample of 14\ifmmode×\else\texttimes\fi10⁶ \ensuremathψ(2S) events accumulated with the BES II detector, evidence for f₀(980)f₀(980) production in \ensuremathχ_c0 decays is obtained for the first time; the branching ratio is determined to be B[\ensuremathχ_c0\ensuremath→f₀(980)f₀(980)\ensuremath→\ensuremathπ⁺\ensuremathπ^\ensuremath-\ensuremathπ⁺\ensuremathπ^\ensuremath-]=[7.6\ifmmode±\else\textpm\fi1.9 (stat)\ifmmode±\else\textpm\fi1.6 (syst)]\ifmmode×\else\texttimes\fi10^\ensuremath-4. The significance of the f₀(980) signal is about 4.6\ensuremathσ.

Citations

• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)
• Signal significance in the presence of systematic and statistical uncertainties

Cited by

• Studies of the resonance components in the B_s decays into charmonia plus kaon pair