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Two-loop electroweak threshold corrections in the Standard Model
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abstract
We study the relationships between the basic parameters of the on-shell renormalization scheme and their counterparts in the $\overline{\mathrm{MS}}$ scheme at full order ${\cal O}(\alpha^2)$ in the Standard Model. These enter as threshold corrections the renormalization group analyses underlying, e.g., the investigation of the vacuum stability. To ensure the gauge invariance of the parameters, in particular of the $\overline{\mathrm{MS}}$ masses, we work in $R_\xi$ gauge and systematically include tadpole contributions. We also consider the gaugeless-limit approximation and compare it with the full two-loop electroweak calculation.
Forward citations
Cited by 4 Pith papers
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Gauge coupling beta functions and gauge field anomalous dimensions at four loops in the Standard Model
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Full two-loop QCD corrections to the Higgs mass in the MSSM with heavy superpartners
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