SO(10)-GUT Coherent Baryogenesis

Details SO(10)-GUT Coherent Baryogenesis SO(10)-GUT Coherent Baryogenesis

2005-09-19

arxiv.org/abs/hep-ph/0509190v1

Nucl.Phys. B736 (2006) 133-155

Physics

High Energy Physics

High Energy Physics - Phenomenology

30 pages, 3 figures

Scientific paper

10.1016/j.nuclphysb.2005.10.042

A model for GUT baryogenesis, coherent baryogenesis within the framework of supersymmetric SO(10), is considered. In particular, we discuss the Barr-Raby model, where at the end of hybrid infl ation charge asymmetries can be created through the time-dependent higgsino-gaugino mixing mass matrix. These asymmetries are processed to Standard Model matter through decays via nonrenormalizable (B-L)-violating operators. We find that a baryon asymmetry in accordance with observation can be generated. An appendix is devoted to provide useful formulas and concrete examples for calculations within SO(10).

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