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          Institute: MPI für Physik     Collection: MPI für Physik     Display Documents



ID: 543659.0, MPI für Physik / MPI für Physik
Electroweak two-loop corrections to the MW-MZ mass correlation in the Standard Model
Authors:Freitas, A.; Hollik, W.; Walter, W.; Weiglein, G.
Date of Publication (YYYY-MM-DD):2002
Title of Journal:Nuclear Physics B
Journal Abbrev.:Nucl.Phys.B
Issue / Number:632
Start Page:189
End Page:307
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:Recently exact results for the complete fermionic two-loop contributions to the prediction for the W-boson mass from muon decay in the electroweak Standard Model have been published [href{/abs/hep-ph/0007091}{hep-ph/0007091}]. This paper illustrates the techniques that have been applied for this calculation, in particular the renormalisation procedure and the treatment of IR-divergent QED contributions. Numerical results are presented in terms of simple parametrisation formulae and compared in detail with a previous result of an expansion up to next-to-leading order in the top-quark mass. An estimate of the remaining theoretical uncertainties of the MW-prediction from unknown higher-order corrections is given. For the bosonic two-loop corrections a partial result is presented, yielding the Higgs-mass dependence of these contributions.
Classification / Thesaurus:Phenomenology of High Energy Physics
Comment of the Author/Creator:LaTeX2e, 32 pages; errors in computer code corrected, leading to slight changes of the numerical results in the tables and formulae
External Publication Status:published
Document Type:Article
Communicated by:N.N.
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2002-231
URL:http://www.slac.stanford.edu/spires/find/hep/www?r...
URL:http://arXiv.org/abs/hep-ph/0202131
URL:http://publications.mppmu.mpg.de/?action=search&mp...
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