1305.1181 (Carla Terschlüsen et al.)

Reactions with pions and vector mesons in the sector of odd intrinsic
parity    [PDF]

Carla Terschlüsen, Bruno Strandberg, Stefan Leupold, Fabian Eichstädt

The Wess-Zumino-Witten structure is supplemented by a simple vector-meson Lagrangian where the vector mesons are described by antisymmetric tensor fields. With the \rho-\omega-\pi{} coupling as the only parameter in the sector of odd intrinsic parity, i.e. without additional contact terms, one can achieve a proper description of the decay of an \omega-meson into three pions, the single- and double-virtual pion transition form factor and the three-pion production in electron-positron collisions.

View original: http://arxiv.org/abs/1305.1181