Eur. Phys. J. C (2008) 58: 407-422
https://doi.org/10.1140/epjc/s10052-008-0775-3

Regular Article - Theoretical Physics

Infrared regularization with vector mesons and baryons

¹ Helmholtz-Institut für Strahlen- und Kernphysik (Theorie), Universität Bonn, Nußallee 14-16, 53115, Bonn, Germany
² Bethe Center for Theoretical Physics, Universität Bonn, 53115, Bonn, Germany
³ Institut für Kernphysik (Theorie) and Jülich Center for Hadron Physics, Forschungszentrum Jülich, 52425, Jülich, Germany

^* e-mail: bruns@itkp.uni-bonn.de

Received: 3 September 2008
Published online: 23 October 2008

Abstract

We extend the method of infrared regularization to spin-1 fields coupled to baryons. As an application, we discuss the axial form factor of the nucleon.