Crossover and mass gap of the SU(2)-Higgs model at high temperature

Details Crossover and mass gap of the SU(2)-Higgs model at high temperature Crossover and mass gap of the SU(2)-Higgs model at high temperature

1997-08-18

arxiv.org/abs/hep-ph/9708381v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at the Conf. Strong and Electroweak Matter '97, Eger, Hungary, May 1997, 15 pages, 6 ps figures

Scientific paper

Analytic estimates of screening masses in the symmetric, high-temperature phase of the SU(2)-Higgs model are reviewed. The size of the mass gap in the symmetric phase is closely related to the critical Higgs mass where the first-order electroweak phase transition changes to a smooth crossover. We also discuss some conjectures concerning the connection between the screening masses of propagators in a fixed gauge and screening masses of gauge-invariant operators.

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