2015/09/14 by Xiaolong Wang, Wang, Xiaolong
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions
paper · pdf · doi:10.48550/arxiv.1509.04156
openalex publication_date 2015/09/14 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
The recent results on charmonium and charmoniumlike states from Belle experiment are reviewed. We summarise searches in B decays for possible X-like states in final states containing ηc. The new measurement of e+e-→π+π-ψ(2S) improves the determination of the properties of Y(4360) and Y(4660). The fits including Y(4260) are performed. Evidence for a charged charmoniumlike structure at 4.05~\rm GeV/c2 is observed in the π±ψ(2S) intermediate state in the Y(4360) decays. Belle also updates the measurement on e+e-→ KKJ/ψ via initial state radiation using the full data sample. Finally, Belle observed X(3872) in B→ Kπ+ X(→π+π-J/ψ).