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Theoretical aspects of W physics
Stefan Dittmaier
High-precision predictions for W-production processes are complicated by the instability of the W bosons, requirements of gauge invariance, and the necessity to include radiative c…
Non-factorizable photonic corrections to ee->WW->4fermions
A. Denner, S. Dittmaier, M. Roth
We study the non-factorizable corrections to W-pair-mediated four-fermion production in ee annihilation in double-pole approximation. We show how these corrections can be combined…
Approximations for W-Pair Production at Linear-Collider Energies
A. Denner, S. Dittmaier
We determine the accuracy of various approximations to the O(alpha) corrections for on-shell W-pair production. While an approximation based on the universal corrections arising fr…
Physics with e^+e^- Linear Colliders
E. Accomando
We describe the physics potential of linear colliders in this report. These machines are planned to operate in the first phase at a center-of --mass energy of 500 GeV, bef…
Thirring's low-energy theorem and its generalizations in the electroweak Standard Model
Stefan Dittmaier
The radiative corrections to Compton scattering vanish in the low-energy limit in all orders of perturbation theory. This theorem, which is well-known for Abelian gauge theories, i…