New hadronic states observed at BES II
Institute of High Energy Physics, CAS, 100049, Beijing, China
Accepted: 25 December 2006
Published online: 20 March 2007
The report includes the new observation of X(1835) in J/ψ→γη ′ π + π -, the ωφ threshold enhancement in J/ψ→γωφ, the ωω structure in J/ψ→γωω and the broad 1- structure at the low K + K - invariant-mass spectrum in J/ψ→K + K - π 0.
PACS: 12.39.Mk Glueball and nonstandard multi-quark/gluon states – / 13.25.Gv Decays of J/ψ, Υ, and other quarkonia –
© Società Italiana di Fisica and Springer-Verlag, 2007