paper

Electroweak phase transition in the economical 3-3-1 model

arXiv:1409.0750 · doi:10.1140/epjc/s10052-015-3550-2

Abstract

We consider the EWPT in the economical 3-3-1 (E331) model. Our analysis shows that the EWPT in the model is a sequence of two first-order phase transitions, at the TeV scale and at the GeV scale. The EWPT is triggered by the new bosons and the exotic quarks; its strength is about if the mass ranges of these new particles are . The EWPT is strengthened by only the new bosons; its strength is about if the mass parts of , and are in the ranges . The contributions of and to the strengths of both EWPTs may make them sufficiently strong to provide large deviations from thermal equilibrium and B violation necessary for baryogenesis.

17 pages, 9 figures

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