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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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14 papers · 2 filters
Reduction of one-loop tensor 5-point integrals
A. Denner, S. Dittmaier
A new method for the reduction of one-loop tensor 5-point integrals to related 4-point integrals is proposed. In contrast to the usual Passarino-Veltman reduction and other methods…
NLO QCD corrections to t anti-t H production in hadron collisions
W. Beenakker, S. Dittmaier, M. Krämer +3
The Higgs boson H of the Standard Model can be searched for in the channels p pbar / pp -> t tbar H + X at the Tevatron and the LHC. The cross sections for these processes and the…
Two-loop electroweak corrections at high energies
Ansgar Denner, Michael Melles, Stefano Pozzorini
We discuss two-loop leading and angular-dependent next-to-leading logarithmic electroweak virtual corrections to arbitrary processes at energies above the electroweak scale. The re…
Supersymmetric Sudakov corrections
Michael Melles
For superpartner masses not much heavier than the weak scale , large logarithmic corrections of the Sudakov type arise at TeV energies. In this paper we discuss the ge…
Supersymmetric effects on heavy charged Higgs boson production in hadron colliders
Alexander Belyaev, Jaume Guasch, Joan Sola
The production of a heavy supersymmetric charged Higgs boson (M_{H^{\pm}}> 200 GeV) at the Tevatron and at the LHC is studied. We include the leading one-loop quantum effects withi…
Fermionic decays of sfermions in the MSSM: a full one-loop calculation
Jaume Guasch, Wolfgang Hollik, Joan Sola
We present a full one-loop calculation of the electroweak corrections to the partial decay widths of the fermionic modes of sfermions Γ(\sfermion \to f'χ). The main technical point…
RacoonWW1.3: A Monte Carlo program for four-fermion production at e^+ e^- colliders
A. Denner, S. Dittmaier, M. Roth +1
We present the Monte Carlo generator RacoonWW that computes cross sections to all processes e^+ e^- -> 4f and e^+ e^- -> 4f + gamma and calculates the complete O(alpha) electroweak…
Electromagnetic radiative corrections to pionic beta decay π^+ to π^0 e^+ ν_e
Hannes Pichl
Pionic beta decay π^+ to π^0 e^+ ν_e is analyzed in chiral perturbation theory with virtual photons and leptons. All electromagnetic corrections up to order e^2 p^2 are taken into…
The pionic beta decay in chiral perturbation theory
V. Cirigliano, M. Knecht, H. Neufeld +1
Within the framework of chiral perturbation theory with virtual photons and leptons, we present an updated analysis of the pionic beta decay including all electromagnetic contribut…
WPHACT 2.0: A fully massive Monte Carlo generator for four fermion physics at e^+ e^- colliders
E. Accomando, A. Ballestrero, E. Maina
WPHACT 2.0 is the new fully massive version of a MC program and unweighted event generator which computes all Standard Model processes with four fermions in the final state at e^+…
High Level Tracker Triggers for CMS
Danek Kotlinski, Andrey Starodumov
Two fast trigger algorithms based on 3 innermost hits in the CMS Inner Tracker are presented. One of the algorithms will be applied at LHC low luminosity to select B decay channels…
Photoproduction of W Bosons at HERA: QCD Corrections
Kai-Peer O. Diener, Christian Schwanenberger, Michael Spira
W bosons can be produced in the channels e+- p -> W+- + X at HERA thus allowing to probe for anomalous trilinear couplings among the gauge bosons. We discuss the NLO QCD correction…
On Theoretical Uncertainties of the W Angular Distribution in W-Pair Production at LEP2 Energies
R. Bruneliere, A. Denner, S. Dittmaier +8
We discuss theoretical uncertainties of the distribution in the cosine of the W polar angle projected into a measurement of the anomalous triple gauge-boson coupling λ=λ_γ=λ_Z at L…
Electroweak radiative corrections at high energies
Stefano Pozzorini
This PhD thesis is concerned with one-loop virtual electroweak corrections to arbitrary processes in the high-energy limit. Complete results are presented for the leading and suble…