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Electroweak Precision Tests with GigaZ
S. Heinemeyer, G. Weiglein
By running the prospective high-energy e^+e^- collider TESLA in the GigaZ mode on the Z resonance, experiments can be performed on the basis of more than 10^9 Z events. This will a…
Calculation of fermionic two-loop contributions to muon decay
A. Freitas, S. Heinemeyer, W. Hollik +2
The computation of the correction Δr in the W-Z mass correlation, derived from muon decay, is described at the two-loop level in the Standard Model. Technical aspects which become…
Do electroweak precision data and Higgs-mass constraints rule out a scalar bottom quark with mass of O(5 GeV)?
M. Carena, S. Heinemeyer, C. E. M. Wagner +1
We investigate the phenomenological implications of a light scalar bottom quark, with a mass of about the bottom quark mass, within the minimal supersymmetric standard model. The s…
Higgs-mass predictions and electroweak precision observables in the Standard Model and the MSSM
S. Heinemeyer, G. Weiglein
Higher-order results for electroweak precision observables in the Standard Model are analyzed in view of the experimental accuracies achievable at the present and the next generati…
Complete fermionic two-loop results for the M_W-M_Z interdependence
A. Freitas, W. Hollik, W. Walter +1
The complete fermionic two-loop contributions to the prediction for the W-boson mass from muon decay in the electroweak Standard Model are evaluated exactly, i.e. no expansion in t…
Physics Impact of GigaZ
J. Erler, S. Heinemeyer, W. Hollik +2
By running the prospective high-energy e^+ e^- collider TESLA in the GigaZ mode on the Z resonance, experiments can be performed on the basis of more than 10^9 Z events. They will…