The vicinity of the phase transition in the lattice Weinberg - Salam Model
Zubkov, M. A.
Original · EN
We investigated the lattice Weinberg - Salam model without fermions for the Higgs mass around 300 GeV. On the phase diagram there exists the vicinity of the phase transition between the physical Higgs phase and the unphysical symmetric phase, where the fluctuations of the scalar field become strong while Nambu monopoles are dense. According to our numerical results (obtained on the lattices of sizes up to 20³× 24) the maximal value of the ultraviolet cutoff in the model cannot exceed the value around 1.4 TeV.
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