Protecting the primordial baryon asymmetry in the $SU(2)_{L}$ triplet Higgs model compatible with KamLAND and WMAP

Details Protecting the primordial baryon asymmetry in the $SU(2)_{L}$ triplet Higgs model compatible with KamLAND and WMAP Protecting the primordial baryon asymmetry in the $SU(2)_{L}$ triplet Higgs model compatible with KamLAND and WMAP

2004-03-26

arxiv.org/abs/hep-ph/0403272v3

Phys.Rev. D70 (2004) 054002

Physics

High Energy Physics

High Energy Physics - Phenomenology

51 pages, 6 figures, reference added, final version for PRD

Scientific paper

10.1103/PhysRevD.70.054002

We find the condition that the primordial baryon asymmetry is not washed out in the $SU(2)_{L}$ triplet Higgs model by solving the Boltzmann equation. We further require that the model is compatible with the recent results of the neutrino oscillation experiments and WMAP, and the constraints on the $\rho$ parameter imposed by the LEP. We finally obtain the allowed region of the parameters in the model.

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