Baryogenesis at the electroweak scale

Zeitschrift für Physik C Particles and Fields - Tập 68 - Trang 503-508 - 1995
A. Kundu1, S. Mallik1
1Saha Institute of Nuclear Physics, Calcutta, India

Tóm tắt

The generation of the baryon asymmetry of the universe is considered in the standard model of the electroweak theory with simple extensions of the Higgs sector. The propagation of quarks of masses up to about 5 GeV are considered, taking into account their markedly different dispersion relations due to propagation through the hot electroweak plasma. It is shown that the contribution of the b quark to the baryon asymmetry can be comparable to that for the t quark considered earlier.

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