Electroweak Interaction Model with an Undegenerate Double Symmetry

Leonid M. Slad

D. V. Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, 119899 Russia

Abstract: The initial $P$-invariance of the electroweak interaction Lagrangian together with the low-energy results of the Weinberg–Salam model is provided by a local secondary symmetry. Among the transformation parameters of this symmetry there are both scalars, and pseudo-scalars with respect to the orthochronous Lorentz group. Such symmetry does admissible existence of a light (massless) axial gauge boson and its possible nonuniversal interaction with the leptons of various types.

Keywords: double symmetry; electroweak interactions; light axial gauge boson.

MSC: 81T10; 81R05; 81V10

Received: December 12, 2005; in final form March 31, 2006; Published online April 20, 2006

Language: English

DOI: 10.3842/SIGMA.2006.045

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ArXiv: hep-ph/0512324