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Numerical tests of the electroweak phase transition and thermodynamics of the electroweak plasma |
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| Institution: | 1. Institute for Theoretical Physics, Eötvös University, Budapest, Hungary;2. Theory Division, CERN, CH-1211 Geneva 23, Switzerland;3. Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, D-22603 Hamburg, Germany;1. Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803, USA;2. Nuclear Physics Institute, 250 68 Řež, Czech Republic;1. ISP RAS, Moscow, Russian Federation;2. HP, Moscow, Russian Federation;1. CEA, DAM, DIF, F-91297 Arpajon, France;2. Université Paris-Saclay, CEA, LMCE, 91680 Bruyères-le-Châtel, France;3. Institut d''Astronomie et d''Astrophysique, Université Libre de Bruxelles, Campus de la Plaine CP 226, 1050 Brussels, Belgium |
| Abstract: | The finite temperature phase transition in the SU(2) Higgs model at a Higgs boson mass MH ≅ 34 GeV is studied in numerical simulations on four-dimensional lattices with time-like extensions up to Lt = 5. The effects of the finite volume and finite lattice spacing on masses and couplings are studied in detail. The errors due to uncertainties in the critical hopping parameter are estimated. The thermodynamics of the electroweak plasma near the phase transition is investigated by determining the relation between energy density and pressure. |
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