The end point of the first-order phase transition of the SU(2) gauge-Higgs model on a 4-dimensional isotropic lattice

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

Research output: Contribution to journalArticlepeer-review

Abstract

We study the first-order finite-temperature electroweak phase transition of the SU(2) gauge-Higgs model defined on a four-dimensional isotropic lattice with the temporal extension (Formula presented). A finite-size scaling study of Lee-Yang zeros yields the value of the Higgs self-coupling of the end point at (Formula presented). An independent analysis of the Binder cumulant gives a consistent value for the end point. Combined with our zero-temperature measurement of Higgs and W boson masses, this leads to (Formula presented) GeV for the critical Higgs boson mass beyond which the electroweak transition turns into a crossover.

Original languageEnglish (US)
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume60
Issue number1
DOIs
StatePublished - 1999

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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