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142 papers · 1 filter
Gradient flow for parton distribution functions: first application to the pion
Anthony Francis, Patrick Fritzsch, Robert V. Harlander +9
Parton distribution functions (PDFs) are central to precision QCD phenomenology. Their Mellin moments can be computed on the lattice, but direct determinations using local operator…
Window observables for benchmarking parton distribution functions
Joe Karpie, Christopher J. Monahan, Kostas Orginos +1
Global analysis of collider and fixed-target experimental data and calculations from lattice quantum chromodynamics (QCD) are used to gain complementary information on the structur…
The isospin-violating part of the hadronic vacuum polarisation
Dominik Erb, Antoine Gerardin, Harvey B. Meyer +3
We present our calculation of the isospin-violating part of the hadronic vacuum polarisation (HVP) contribution to muon in lattice QCD at the symmetric…
An update on the determination of the sphaleron rate in finite temperature QCD
Nicolò Bellini, Claudio Bonanno, Francesco D'Angelo +3
The sphaleron rate is a key phenomenological quantity both for the axion thermal production in the Early Universe and the Chiral Magnetic Effect occurring in the Quark-Gluon Plasma…
The center-symmetric Landau gauge meets the lattice
Duifje Maria van Egmond, Orlando Oliveira, Urko Reinosa +3
A lattice implementation of the recently introduced center-symmetric Landau gauge is discussed and its predictions confronted with numerical Monte Carlo simulations. It is shown th…
The hadronic light-by-light contribution to the muon using staggered fermions at the physical point
Christian Zimmermann, Antoine Gérardin
Hadronic contributions dominate the uncertainty of the Standard Model prediction for the anomalous magnetic moment of the muon. In this work, we present results on the hadronic lig…