| Issue |
EPJ Web of Conferences
Volume 73, 2014
MENU 2013 – 13th International Conference Meson-Nucleon Physics and the Structure of the Nucleon
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|
|---|---|---|
| Article Number | 07009 | |
| Number of page(s) | 4 | |
| Section | Fundamental Symmetries | |
| DOI | https://doi.org/10.1051/epjconf/20147307009 | |
| Published online | 09 June 2014 | |
https://doi.org/10.1051/epjconf/20147307009
Reactions with pions and vector mesons in the sector of odd intrinsic parity
Department of Physics and Astronomy, Uppsala University, Sweden
a e-mail: carla.terschluesen@physics.uu.se
Published online: 9 June 2014
In chiral perturbation theory, the leading-order contribution to reactions with pions in the sector of odd intrinsic parity is defined by the Wess-Zumino-Witten structure. This structure is supplemented by a simple vector-meson Lagrangian where the vector mesons are described by antisymmetric tensor fields. With the rho-omega-pion 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 pion transition form factor and the three-pion production in electron-positron collisions.
© Owned by the authors, published by EDP Sciences, 2014
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