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Lattice studies at zero and finite temperature in the SU(2) Higgs model at small couplings

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DOI: 10.1016/0370-2693(92)90447-C
OAI: oai:inspirehep.net:334407
Source
INSPIRE-HEP
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Abstract

In the weak coupling region ( β =8, λ =0.0017235 and 0.023705) the Higgs transition is determined on symmetrical (16 4 ) as well as thermal (16 3 × N τ ) lattices. This transition is weakly first order and becomes weaker for larger λ. Higgs and vector boson masses are obtained near to the phase transition, consistent with a mass ratio depending on λ only. The transition temperature is obtained as a function of the Higgs mass. The results are compared with perturbative relations.

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