Eur. Phys. J. A (2006) 29: 255-260
https://doi.org/10.1140/epja/i2006-10105-x

Letter

On the chiral effective meson-baryon Lagrangian at third order^⋆

¹ Helmholtz-Institut für Strahlen- und Kernphysik (Theorie), Universität Bonn, Nußallee 14-16, D-53115, Bonn, Germany
² Institut für Kernphysik (Theorie), Forschungszentrum Jülich, D-52425, Jülich, Germany

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

Received: 14 September 2006
Accepted: 15 September 2006
Published online: 21 September 2006

Abstract

We show that the recently constructed complete and “minimal” third-order meson-baryon effective chiral Lagrangian can be further reduced from 84 to 78 independent operators.