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20 papers · 2 filters
Recent developments in radiative B decays
T. Huber
We report on recent theoretical progress in radiative B decays. We focus on a calculation of logarithmically enhanced QED corrections to the branching ratio and forward-backward as…
Logarithmically Enhanced Corrections to the Decay Rate and Forward Backward Asymmetry in anti-B --> X(s) l+ l-
Tobias Huber, Tobias Hurth, Enrico Lunghi
We study logarithmically enhanced electromagnetic corrections to the decay rate in the high dilepton invariant mass region as well as corrections to the forward backward asymmetry…
Determining Heavy Mass Parameters in Supersymmetric SO(10) Models
F. Deppisch, A. Freitas, W. Porod +1
Extrapolations of soft scalar mass parameters in supersymmetric theories can be used to explore elements of the physics scenario near the grand unification scale. We investigate th…
Virtual Hadronic and Leptonic Contributions to Bhabha Scattering
Stefano Actis, Michal Czakon, Janusz Gluza +1
Using dispersion relations, we derive the complete virtual QED contributions to Bhabha scattering due to vacuum polarization effects in photon propagation. We apply our result to h…
Master Integrals for Fermionic Contributions to Massless Three-Loop Form Factors
G. Heinrich, T. Huber, D. Maitre
In this letter we continue the calculation of master integrals for massless three-loop form factors by giving analytical results for those integrals which are relevant for the ferm…
Radiative corrections to W-boson hadroproduction: higher-order electroweak and supersymmetric effects
Silja Brensing, Stefan Dittmaier, Michael Krämer +1
The high accuracy envisaged for future measurements of W-boson production at hadron colliders has to be matched by precise theoretical predictions. We study the impact of electrowe…