Symmetry, Integrability and Geometry: Methods and Applications (SIGMA)


SIGMA 2 (2006), 045, 8 pages      hep-ph/0512324      http://dx.doi.org/10.3842/SIGMA.2006.045

Electroweak Interaction Model with an Undegenerate Double Symmetry

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

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

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.

Key words: double symmetry; electroweak interactions; light axial gauge boson.

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