Higher-Energy Standard Model from the Gauge Group Contraction
Abstract
The evolution of properties and interactions of elementary particles is described, beginning with the Planck scale of 1019 GeV. The description is based on the hypothesis that high-temperature (high-energy) limit of the Standard Model is generated by the gauge group contraction. In the infinite-temperature limit, properties of particles fundamentally change: all particles lose their masses, only massless neutral Z bosons and u quarks together with neutrinos and photons survive. Weak interactions become long-range ones and are generated by neutral currents. Quarks have only one color degree of freedom.
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