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3-D lattice simulation of the electroweak phase transition at small Higgs mass

E. -M. Ilgenfritz, J. Kripfganz, H. Perlt, A. Schiller

hep-latarXiv:hep-lat/9506023

Abstract

We study the electroweak phase transition by lattice simulations of an effective 3-dimensional theory, for a Higgs mass of about 35 GeV. In the broken symmetry phase our results on masses and the Higgs condensate are consistent with 2-loop perturbative results. However, we find a non-perturbative lowering of the transition temperature, similar to the one previously found at mH = 80 GeV. For the symmetric phase, bound state masses and the static force are determined and compared with results for pure SU(2) theory.

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