The end point of the first-order phase transition of the SU(2) gauge-Higgs model on a four-dimensional isotropic lattice

Details The end point of the first-order phase transition of the SU(2) gauge-Higgs model on a four-dimensional isotropic lattice The end point of the first-order phase transition of the SU(2) gauge-Higgs model on a four-dimensional isotropic lattice

1998-09-16

arxiv.org/abs/hep-lat/9809122v1

Nucl.Phys.Proc.Suppl. 73 (1999) 656-658

Physics

High Energy Physics

High Energy Physics - Lattice

LATTICE98(electroweak), 3 pages of LaTeX, 4 figures

Scientific paper

10.1016/S0920-5632(99)85165-2

We report results of a study of the end point of the electroweak phase transition of the SU(2) gauge-Higgs model defined on a four-dimensional isotropic lattice with N_t=2. Finite-size scaling study of Lee-Yang zeros yields lambda_c=0.00116(16) for the end point. Combined with a zero-temperature measurement of Higgs and W boson masses, this leads to M_{H,c}=68.2+-6.6 GeV for the critical Higgs boson mass. An independent analysis of Binder cumulant gives a consistent value lambda_c=0.00102(3) for the end point.

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