Institutsseminar Kern- und Hadronenphysik
Dec. 17, 2012 at
4 p.m. c.t.
in
HS Kernphysik, Becherweg 45
Prof. Dr. Michael Ostrick
Institut für Kernphysik
ostrick@kph.uni-mainz.de
Two-photon Physics at Belle
Simon Eidelman (Budker Institute of Nuclear Physics SB RAS and Novosibirsk State University)
Results of studies of two-photon collisions with the Belle detector at the KEK B factory are discussed. They include tests of QCD in two-body final states, investigation of charmonium states, observation of new charmonia, studies of mesons made of light quarks. Also presented are measurements of the transition form factors of pseudoscalar mesons and their implications for the problem of the muon anomalous magnetic moment.