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arxiv: hep-ph/0212319 · v2 · submitted 2002-12-20 · ✦ hep-ph

MS Versus Pole Masses of Gauge Bosons II: Two-Loop Electroweak Fermion Corrections

F.Jegerlehner (DESY , Zeuthen) , M.Yu.Kalmykov (DESY , Zeuthen & Dubna , JINR) , O.Veretin (Karlsruhe U. , ITT) This is my paper
classification ✦ hep-ph
keywords two-loopcontributionsfermionbosonscalculatedcorrectionsfullgauge
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We have calculated the fermion contributions to the shift of the position of the poles of the massive gauge boson propagators at two-loop order in the Standard Model. Together with the bosonic contributions calculated previously the full two-loop corrections are available. This allows us to investigate the full correction in the relationship between MS and pole masses of the vector bosons Z and W. Two-loop renormalization and the corresponding renormalization group equations are discussed. Analytical results for the master-integrals appearing in the massless fermion contributions are given. A new approach of summing multiple binomial sums has been developed.

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