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AbstractAbstract
[en] The electromagnetic and purely weak 1-loop corrections to e+e-->μ+μ- have been calculated in the SU(2)xU(1) standard model using a on-shell renormalisation scheme with finite Green functions. Their influence on the forward backward asymmetry Asub(FB) together with soft and hard bremsstrahlung is discussed for PETRA-energies. Whereas the electromagnetic corrections to γ and Z0 exchange diminuish Asub(FB), the weak corrections increase Asub(FB) almost compensating the QED correction to Z0 exchange. The main weak contribution comes from the Z0 self energy. The other diagrams give only small changes in Asub(FB). (orig.)
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Nov 1983; 9 p
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Report
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ANTILEPTONS, ANTIMATTER, ANTIPARTICLES, BOSONS, CORRECTIONS, ELECTROMAGNETIC RADIATION, ELEMENTARY PARTICLES, ENERGY, ENERGY RANGE, FERMIONS, FIELD THEORIES, FUNCTIONS, GEV RANGE, INTERACTIONS, INTERMEDIATE BOSONS, LEPTON-LEPTON INTERACTIONS, LEPTONS, LIE GROUPS, MATHEMATICAL MODELS, MATTER, MUONS, PARTICLE INTERACTIONS, PARTICLE MODELS, PARTICLE PRODUCTION, POSTULATED PARTICLES, QUANTUM FIELD THEORY, RADIATIONS, SU GROUPS, SYMMETRY GROUPS, U GROUPS, UNIFIED GAUGE MODELS
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