Stabilizing dilaton and baryogenesis

Details Stabilizing dilaton and baryogenesis Stabilizing dilaton and baryogenesis

2002-10-16

arxiv.org/abs/hep-ph/0210223v2

Phys.Rev. D67 (2003) 103515

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 3 figures, baryon asymmetry revised, errors corrected, references and comments added

Scientific paper

10.1103/PhysRevD.67.103515

Entropy production by the dilaton decay is studied in the model where the dilaton acquires potential via gaugino condensation in the hidden gauge group. Its effect on the Affleck-Dine baryogenesis is investigated with and without non-renormalizable terms in the potential. It is shown that the baryon asymmetry produced by this mechanism with the higher-dimensional terms is diluted by the dilaton decay and can be regulated to the observed value.

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