Geodesic
Gauge Group Contraction of Electroweak Model and its Natural Energy Limits
Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences, Tome 19 (2015) no. 3, pp. 425-440

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The low and higher energy limits of the Electroweak Model are obtained from first principles of gauge theory. Both limits are given by the same contraction of the gauge group, but for the different consistent rescalings of the field space. Mathematical contraction parameter in both cases is interpreted as energy. The very weak neutrino-matter interaction is explained by zero tending contraction parameter, which depends on neutrino energy. The second consistent rescaling corresponds to the higher energy limit of the Electroweak Model. At the infinite energy all particles lose masses, electroweak interactions become long-range and are mediated by the neutral currents. The limit model represents the development of the early Universe from the Big Bang up to the end of the first second.
Keywords: gauge theory, electroweak model, contraction, limit model. 
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     author = {N. A. Gromov},
     title = {Gauge {Group} {Contraction}  of {Electroweak} {Model} and its {Natural} {Energy} {Limits}},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
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N. A. Gromov. Gauge Group Contraction  of Electroweak Model and its Natural Energy Limits. Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences, Tome 19 (2015) no. 3, pp. 425-440. http://geodesic.mathdoc.fr/item/VSGTU_2015_19_3_a2/