Regular Article - Hadron Physics
ω- πγtransition form factor in proton-proton collisions
Forschungszentrum Rossendorf, PF 510119, 01314, Dresden, Germany
Accepted: 2 January 2007
Published online: 5 February 2007
Dalitz decays of ω and ρ mesons, and , produced in pp collisions are calculated within a covariant effective meson-nucleon theory. We argue that the ω transition form factor is experimentally accessible in a fairly model-independent way in the reaction pp → ppπ0 e + e - for invariant masses of the π0 e + e - subsystem near the ω pole. Numerical results are presented for the intermediate-energy kinematics of envisaged HADES experiments.
PACS: 13.60.Le Meson production – / 13.75.-n Hadron-induced low- and intermediate-energy reactions and scattering (energy ⩽ 10 GeV) – / 13.85.Lg Total cross-sections – / 25.40.-h Nucleon-induced reactions –
© Società Italiana di Fisica and Springer-Verlag, 2007