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Stabilizing dilaton and baryogenesis

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arxiv hep-ph/0210223 v2 pith:SJGTOQ6W submitted 2002-10-16 hep-ph astro-ph

Alexander D. Dolgov , K. Kohri , Osamu Seto , Jun'ichi Yokoyama This is my paper
classification hep-phastro-ph
keywords dilatonbaryogenesisdecaypotentialtermsacquiresaffleck-dineasymmetry
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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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