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

Y. Aoki, F. Csikor, Z. Fodor, A. Ukawa

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Abstract

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 Nt = 2. Finite-size scaling study of Lee-Yang zeros yields λc = 0.00116(16) for the end point. Combined with a zero-temperature measurement of Higgs and W boson masses, this leads to MH,c = 68.2 ± 6.6 GeV for the critical Higgs boson mass. An independent analysis of Binder cumulant gives a consistent value λc = 0.00102(3) for the end point.

Original languageEnglish
Pages (from-to)656-658
Number of pages3
JournalNuclear Physics B - Proceedings Supplements
Volume73
Issue number1-3
Publication statusPublished - Mar 1999

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Higgs bosons
temperature measurement
bosons
scaling

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

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abstract = "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 Nt = 2. Finite-size scaling study of Lee-Yang zeros yields λc = 0.00116(16) for the end point. Combined with a zero-temperature measurement of Higgs and W boson masses, this leads to MH,c = 68.2 ± 6.6 GeV for the critical Higgs boson mass. An independent analysis of Binder cumulant gives a consistent value λc = 0.00102(3) for the end point.",
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AU - Csikor, F.

AU - Fodor, Z.

AU - Ukawa, A.

PY - 1999/3

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N2 - 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 Nt = 2. Finite-size scaling study of Lee-Yang zeros yields λc = 0.00116(16) for the end point. Combined with a zero-temperature measurement of Higgs and W boson masses, this leads to MH,c = 68.2 ± 6.6 GeV for the critical Higgs boson mass. An independent analysis of Binder cumulant gives a consistent value λc = 0.00102(3) for the end point.

AB - 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 Nt = 2. Finite-size scaling study of Lee-Yang zeros yields λc = 0.00116(16) for the end point. Combined with a zero-temperature measurement of Higgs and W boson masses, this leads to MH,c = 68.2 ± 6.6 GeV for the critical Higgs boson mass. An independent analysis of Binder cumulant gives a consistent value λc = 0.00102(3) for the end point.

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