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468 papers · 1 filter
Zero-jettiness soft function to third order in perturbative QCD
Daniel Baranowski, Maximilian Delto, Kirill Melnikov +2
We present the high-precision result for the zero-jettiness soft function at next-to-next-to-next-to-leading order (N3LO) in perturbative QCD. At this perturbative order, the soft…
One-loop corrections to the double-real emission contribution to the zero-jettiness soft function at N3LO in QCD
Daniel Baranowski, Maximilian Delto, Kirill Melnikov +2
We present an analytic calculation of the one-loop correction to the double-real emission contribution to the zero-jettiness soft function at N3LO in QCD, accounting for both gluon…
Precision electroweak physics at the LHeC and FCC-eh
Daniel Britzger, Max Klein, Hubert Spiesberger
The proposed electron-proton collider experiments LHeC and FCC-eh at CERN are the highest resolution microscopes that can be realised in the present century and they would represen…
Axion-Gauge Field Dynamics with Backreaction
Koji Ishiwata, Eiichiro Komatsu, Ippei Obata
Phenomenological success of inflation models with axion and SU(2) gauge fields relies crucially on control of backreaction from particle production. Most of the previous study only…
Causal representation and numerical evaluation of multi-loop Feynman integrals
William J. Torres Bobadilla
The loop-tree duality (LTD) has become a novelty alternative to bootstrap the numerical evaluation of multi-loop scattering amplitudes. It has indeed been found that Feynman integr…
Analytic results for Sudakov form factors in QCD
Markus A. Ebert
Sudakov form factors appear ubiquitously in factorized cross sections where they allow one to resum large logarithms to all orders in perturbation theory. Their exact evaluation re…