2004/09/30 by Dongsheng Du, Dong-Sheng Du, Jing-Wu Li +1 · 2 citations
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.1016/j.physletb.2005.05.043
published as Phys.Lett.B619:105-114,2005 · 14 pages, 5 figures, Latex, some content added
arxiv created 2005/05/23 · openalex publication_date 2005/06/01 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/04
We calculate the mass and decay constant of I=12 scalar mesons composed of quark–antiquark pairs based on QCD sum rule. The quark–antiquark pairs can be sq¯ or qs¯ (q=u,d) in quark model, the quantum numbers of spin and orbital angular momentum are S=1, L=1. We obtain the mass of the ground sate in this channel is 1.410±0.049GeV. This result favors that K0*(1430) is the lowest scalar state of sq¯ or qs¯. We also predict the first excited scalar resonance of sq¯ is larger than 2.0 GeV.