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Higgs Sector Renormalization Group in the MS-bar and OMS Scheme
Ulrich Nierste, Kurt Riesselmann
We discuss different aspects of the Higgs self-interaction in the MS-bar and the on-mass-shell (OMS) scheme. The running coupling λ(μ) is investigated in great detail. The three-lo…
Phenomenology of Beyond Leading Logarithms
Ulrich Nierste
I present the QCD short distance coefficient of the hamiltonian in the \emph{next-to-leading order} (NLO) of renormalization group improved perturbation theory. Since…
Indirect CP-Violation in the Neutral Kaon System Beyond Leading Logarithms and Related Topics
Ulrich Nierste
I describe in detail the calculation of the coefficients eta_3 and eta_1 of the low-energy Delta S=2 -hamiltonian describing K^0-K^0-bar-mixing in the next-to-leading order of reno…
Indirect CP-Violation in the Neutral Kaon System Beyond Leading Logarithms
Stefan Herrlich, Ulrich Nierste
We have calculated the short distance QCD coefficient η_3 of the effective |ΔS|=2-hamiltonian in the next-to-leading order. Since now all coefficients η_1, η_2 and η_3 are known be…