Baryon number violation and a new electroweak interaction

Details Baryon number violation and a new electroweak interaction Baryon number violation and a new electroweak interaction

2007-12-12

arxiv.org/abs/0712.1991v2

Phys.Rev.D79:077901,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, RevTeX 4.0, no figures; revision: references added, shortened to match the published version

Scientific paper

10.1103/PhysRevD.79.077901

We introduce a new supercurrent in the electroweak sector of the standard model. Its interaction with the hypergauge field influences the mass of the Z boson but has no effect on the W^\pm-boson masses. In the leptonic sector it affects the numerical value of the vector and axial coupling constants between neutral currents and the Z boson, and a comparison with experimental values yields an upper bound to the strength of the coupling between the supercurrent and the hypergauge field. In the baryonic sector the supercurrent gives a new contribution to the anomaly equation for baryon number current. As a consequence it may have an effect on baryogenesis.

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