The Ising model universality of the electroweak theory

Details The Ising model universality of the electroweak theory The Ising model universality of the electroweak theory

1998-09-16

arxiv.org/abs/hep-lat/9809121v1

Nucl.Phys.Proc.Suppl. 73 (1999) 653-655

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, contribution to LATTICE98(electroweak)

Scientific paper

10.1016/S0920-5632(99)85164-0

Lattice simulations have shown that the first order electroweak phase transition turns into a regular cross-over at a critical Higgs mass m_{H,c}. We have developed a method which enables us to make a detailed investigation of the critical properties of the electroweak theory at m_{H,c}. We find that the transition falls into the 3d Ising universality class. The continuum limit extrapolation of the critical Higgs mass is m_{H,c} = 72(2) GeV, which implies that there is no electroweak phase transition in the Standard Model.

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