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Computing Tools for the SMEFT
Editors, :, Jason Aebischer +22
The increasing interest in the phenomenology of the Standard Model Effective Field Theory (SMEFT), has led to the development of a wide spectrum of public codes which implement aut…
Longitudinal short-distance constraints for the hadronic light-by-light contribution to with large- Regge models
Gilberto Colangelo, Franziska Hagelstein, Martin Hoferichter +2
While the low-energy part of the hadronic light-by-light (HLbL) tensor can be constrained from data using dispersion relations, for a full evaluation of its contribution to the ano…
Short-distance constraints on hadronic light-by-light scattering in the anomalous magnetic moment of the muon
Gilberto Colangelo, Franziska Hagelstein, Martin Hoferichter +2
A key ingredient in the evaluation of hadronic light-by-light (HLbL) scattering in the anomalous magnetic moment of the muon concerns short-distance constraints (SDCs) th…
Low-energy effective field theory below the electroweak scale: matching at one loop
Wouter Dekens, Peter Stoffer
We compute the one-loop matching between the Standard Model Effective Field Theory and the low-energy effective field theory below the electroweak scale, where the heavy gauge boso…
Dispersion relations for : helicity amplitudes, subtractions, and anomalous thresholds
Martin Hoferichter, Peter Stoffer
We present a comprehensive analysis of the dispersion relations for the doubly-virtual process . Starting from the Bardeen-Tung-Tarrach amplitudes, we first derive the…