2001/04/28 by Ning Wu, Wu, Ning
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #hep-ex
paper · pdf · doi:10.48550/arxiv.hep-ex/0104050
4 pages, 7 figures, talk given at XXXVIth Rencontres De Moriond, QCD High Energy Hadronic Interactions, Les Arcs, Savoie, France, March 17-24, 2001
arxiv created 2001/04/28 · arxiv updated 2009/11/30
R measurement results in 2--5 GeV region by BESII is reported in this talk. The study on σ particle in J/ψ→ ωπ+ π-, based on 7.8 × 106 BESI J/ψ data, is also reported.