English

GUT's have the ability to defy sphalerons

High Energy Physics - Phenomenology 2014-11-17 v1

Abstract

We show that the baryon asymmetry produced by the out of equilibrium decay of heavy GUTGUT scalars can be the baryon asymmetry that is observed today. No restrictions need be imposed on the initial values of BB, LL and BLB-L, nor on the neutrino masses; no new symmetries need be gauged nor new fermions introduced. We find two mechanisms that can bring this about for any GUTGUT gauge group. Two illustrative models are discussed that are robust, and need just two (at most four) more GUTGUT scalar fields than the minimum model. The additional scalar fields can also help in generating an adequately large value of the CP violation parameter and in efficiently annihilating the monopoles. Our work should firmly re-establish heavy GUTGUT scalars as probable progenitors of today's baryon asymmetry.

Keywords

Cite

@article{arxiv.hep-ph/9605329,
  title  = {GUT's have the ability to defy sphalerons},
  author = {Subir Mohan},
  journal= {arXiv preprint arXiv:hep-ph/9605329},
  year   = {2014}
}

Comments

13 pages, Latex File

R2 v1 2026-07-22T14:31:23.720Z