CPT violation and particle-antiparticle asymmetry in cosmology

Details CPT violation and particle-antiparticle asymmetry in cosmology CPT violation and particle-antiparticle asymmetry in cosmology

2009-03-25

arxiv.org/abs/0903.4318v2

Phys.Atom.Nucl.73:588-592,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, no figures. Submitted to a special issue of Yadernaya Fizika (Physics of Atomic Nuclei) dedicated to 80th birthday of

Scientific paper

10.1134/S1063778810040022

General features of generation of the cosmological charge asymmetry in CPT non-invariant world are discussed. If the effects of CPT violation manifest themselves only in mass differences of particles and antiparticles, the baryon asymmetry of the universe hardly can be explained solely by breaking of CPT invariance. However, CPT non-invariant theories may lead to a new effect of distorting the usual equilibrium distributions. If this takes place, CPT violation may explain the baryon asymmetry of the universe.

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