Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1994-12-20
Nucl.Phys.B442:317-363,1995
Physics
High Energy Physics
High Energy Physics - Lattice
50 pages, uuencoded compressed postscript file
Scientific paper
10.1016/0550-3213(95)80129-4
We discuss a framework relying on both perturbative and non-perturbative lattice computations which will be able to reliably determine the parameters of the EW phase transition. A motivation for the use of 3d effective theory in the lattice simulations, rather than the complete 4d one, is provided. We introduce and compute on the 2-loop level a number of gauge-invariant order parameters -- condensates, which can be measured with high accuracy in MC simulations. The relation between MSbar and lattice condensates is found, together with the relation between lattice couplings and continuum parameters (the constant physics curves). These relations are exact in the continuum limit.
Farakos Konstantinos
Kajantie K.
Rummukainen Kari
Shaposhnikov Mikhail
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