Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1994-11-16
Mod.Phys.Lett.A10:773-787,1995
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages, LaTeX twice, 4 figures available upon request
Scientific paper
10.1142/S021773239500082X
The Landau gauge Schwinger-Dyson Equation for the quark self-energy is solved in the quenched ladder approximation for several cases of one- and two-quark-generations. The exchanges of Standard Model gluons and Higgs bosons are taken into account. It is found that Higgs boson exchange dominates the quark self-energy for sufficiently large input quark masses (>75 GeV), causing the running quark propagator mass to increase with energy-scale. The running of the quark mixing angles is also considered. No running of the quark mixing angles is found, to one part in a billion, for input quark masses up to and including 500 GeV.
Jain Pankaj
McKay Douglas W.
Smith Lesley L.
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