Baryon number of the universe

Details Baryon number of the universe Baryon number of the universe

Dec 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978phrvd..18.4500d&link_type=abstract

Physical Review D - Particles and Fields, 3rd Series, vol. 18, Dec. 15, 1978, p. 4500-4509.

Physics

161

Astronomical Models, Baryons, Cosmology, Interstellar Matter, Particle Theory, Universe, Elementary Particle Interactions, Equilibrium, Field Theory (Physics), Lagrange Multipliers, Particle Production, Quantitative Analysis, Scalars

Scientific paper

The possibility that the observed particle-antiparticle imbalance in the universe is due to the baryon-number (C) and CP nonconservation is examined. A baryon-number excess may be produced in an expanding universe even though the initial conditions are symmetric. For the case of unified theories the excess is developed at times of the order of 10 to the -40th seconds, while the temperature is comparable to the Planck mass. An admittedly oversimplified model yields a small number of baryons per unit cell of the order of alpha-cubed.

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