573 citations · 2.1k across the 24 of their papers we have counts for
25 papers
Five-Loop Running of the QCD coupling constant
P. A. Baikov, K. G. Chetyrkin, J. H. Kühn
We analytically compute the five-loop term in the beta function which governs the running of --- the quark-gluon coupling constant in QCD. The new term leads to a reduction o…
Massive Tadpoles: Techniques and Applications
Konstantin G. Chetyrkin, Johann H. Kühn, Matthias Steinhauser +1
A brief discussion of massive tadpole diagrams and their phenomenological consequences is presented. This includes predictions of the parameter and, as a consequence, the mass…
Vector-boson pair production and electroweak corrections in HERWIG++
Stefan Gieseke, Tobias Kasprzik, Johann H. Kühn
The detailed study of vector-boson pair production processes at the LHC will lead to a better understanding of electroweak physics. As pointed out before, a consistent inclusion of…
Simulation of electron-positron annihilation into hadrons with the event generator PHOKHARA
H. Czyz, M. Gunia, J. H Kuhn
The precise determination of the cross section for electron-positron annihilation into hadrons is one of the central tasks of ongoing experiments at low energy colliders. These mea…
Vector-boson pair production at the LHC to accuracy
Anastasiya Bierweiler, Tobias Kasprzik, Johann H. Kühn
Building on earlier work on electroweak corrections to W-pair production, the first calculation of the full electroweak one-loop corrections to on-shell ZZ, WZ and pro…
Electroweak corrections to W-boson pair production at the LHC
Anastasiya Bierweiler, Tobias Kasprzik, Johann H. Kühn +1
Vector-boson pair production ranks among the most important Standard-Model benchmark processes at the LHC, not only in view of on-going Higgs analyses. These processes may also hel…
Charge asymmetries of top quarks at hadron colliders revisited
Johann H. Kuhn, German Rodrigo
A sizeable difference in the differential production cross section of top- compared to antitop-quark production, denoted charge asymmetry, has been observed at the Tevatron. The ex…
Gluino-Squark Production at the LHC: The Threshold
Matthias R. Kauth, Achim Kress, Johann H. Kuhn
An analysis of the cross section for hadronic production of gluino-squark pairs close to threshold is presented. Within the framework of non-relativistic QCD a significant enhancem…
Next-to-Next-to-Leading Electroweak Logarithms for W-Pair Production at LHC
J. H. Kuhn, F. Metzler, A. A. Penin +1
We derive the high energy asymptotic of one- and two-loop corrections in the next-to-next-to-leading logarithmic approximation to the differential cross section of -pair product…
Electroweak Sudakov Logarithms and Real Gauge-Boson Radiation in the TeV Region
G. Bell, J. H. Kuhn, J. Rittinger
Electroweak radiative corrections give rise to large negative, double-logarithmically enhanced corrections in the TeV region. These are partly compensated by real radiation and, mo…
One-loop weak corrections to hadronic production of Z bosons at large transverse momenta
J. H. Kuhn, A. Kulesza, S. Pozzorini +1
To match the precision of present and future measurements of Z-boson production at hadron colliders, electroweak radiative corrections must be included in the theory predictions. I…
Modeling the Pion and Kaon Form Factors in the Timelike Region
Christine Bruch, Alexander Khodjamirian, Johann H. Kuhn
New, accurate measurements of the pion and kaon electromagnetic form factors are expected in the near future from experiments at electron-positron colliders,using the radiative ret…
Nucleon form factors, B-meson factories and the radiative return
Henryk Czyz, Johann H. Kuhn, Elzbieta Nowak +1
The feasibility of a measurement of the electric and magnetic nucleon form factors at -meson factories through the radiative return is studied. Angular distributions allow a sep…
Two-Loop Sudakov Form Factor in a Theory with Mass Gap
Bernd Feucht, Johann H. Kühn, Alexander A. Penin +1
The two-loop Sudakov form factor is computed in a U(1) model with a massive gauge boson and a model with mass gap. We analyze the result in the context of hard an…
The radiative return at small angles: virtual corrections
Johann H. Kuhn, German Rodrigo
Virtual corrections for electron--positron annihilation into one real and one off-shell photon of invariant mass Q^2 are evaluated. Special attention is paid to those configuration…
Radiative return at NLO and the measurement of the hadronic cross-section in electron-positron annihilation
G. Rodrigo, H. Czyz, J. H. Kuhn +1
Electron-positron annihilation into hadrons plus an energetic photon from initial state radiation allows the hadronic cross-section to be measured over a wide range of energies. Th…
NLO QED corrections to ISR in e+ e- annihilation and the measurement of σ(e+ e- \to hadrons) using tagged photons
German Rodrigo, Aude Gehrmann-De Ridder, Marc Guilleaume +1
The leptonic tensor for the process , which describes the next-to-leading order virtual and soft QED corrections to initial state radiation in annihila…
Mass Corrections to the Vector Current Correlator
K. G. Chetyrkin, R. Harlander, J. H. Kuehn +1
Three-loop QCD corrections to the vector current correlator are considered. The large momentum procedure is applied in order to evaluate mass corrections up to order .…
Automatic Computation Of Three-Loop Two-Point Functions In Large Momentum Expansion
K. G. Chetyrkin, R. Harlander, J. H. Kuehn +1
We discuss the calculation of two-point three-loop functions with an arbitrary number of massive propagators and one large external momentum. The relevant subdiagrams are generated…
Heavy Quark Vacuum Polarisation to Three Loops
K. G. Chetyrkin, J. H. Kuehn, M. Steinhauser
The real and imaginary part of the vacuum polarisation function induced by a massive quark is calculated in perturbative QCD up to order . The method is described a…
Hadron Radiation in Tau Production and the Leptonic Z Boson Decay Rate
A. H. Hoang, J. H. Kühn, T. Teubner
Secondary radiation of hadrons from a tau pair produced in electron positron collisions may constitute an important obstacle for precision measurements of the production cross sect…
Radiation of Heavy Quarks
A. H. Hoang, M. Jeżabek, J. H. Kühn +1
The rate for the production of massive fermions radiated off a pair of massless fermions is calculated analytically. Combined with the analytic calculation of the corresponding vir…
Prospects of Measuring the Parity of Higgs Particles
M. Kraemer, J. Kuehn, M. L. Stong +1
We analyze the prospects of measuring the parity of Higgs particles in the Standard Model and its supersymmetric extensions. Higgs decays are discussed in this context as well as p…
Hadron Radiation in Leptonic Decays
A. H. Hoang, M. Jeżabek, J. H. Kühn +1
The rate for the final state radiation of hadrons in leptonic decays is evaluated, using as input experimental data for in the low energy region. Configu…