10 papers
Non-perturbative renormalization of the energy momentum tensor in the 2d O(3) nonlinear sigma model
Mika Lauk, Agostino Patella
The two-dimensional O(3) nonlinear sigma model is a well known toy model for studying non-perturbative phenomena in quantum field theory. A central challenge is the renormalization…
Comparing RM123 and non-perturbative QCD+QED approaches to the HVP with C-periodic boundary conditions
Anian Altherr, Isabel Campos, Alessandro Cotellucci +10
Isospin-breaking corrections to the HVP are among the leading sources of uncertainty in the Standard Model prediction of the muon . In recent work by the RC collabor…
First-principle evaluation of inclusive hadronic decays in QCD+QED
Matteo Di Carlo, Simone Bacchio, Erik Bäske +12
We present a strategy to extend lattice calculations of inclusive hadronic decays from isosymmetric QCD to QCD+QED. The inclusive decay rate can be related to suitable Euclide…
Baryon masses with C-periodic boundary conditions
Anian Altherr, Isabel Campos, Roman Gruber +7
Isospin-breaking corrections pose a significant challenge to lattice simulations, both because of the splitting between the up and down quark masses and, in particular, the need to…
Comparing QCD+QED via full simulation versus the RM123 method: U-spin window contribution to
A. Altherr, I. Campos, A. Cotellucci +10
Electromagnetic corrections to hadronic vacuum polarization contribute significantly to the uncertainty of the Standard Model prediction of the muon anomaly, which poses conceptual…
Update on the isospin breaking corrections to the HVP with C-periodic boundary conditions
Anian Altherr, Isabel Campos, Alessandro Cotellucci +9
In the RC collaboration, we simulate lattice QCD+QED using periodic spatial boundary conditions to ensure that locality, gauge invariance, and translational invariance…