Hadronic light-by-light contribution to the muon $g-2$ using twisted-mass fermions
Nikolaos Kalntis, Gurtej Kanwar, Marcus Petschlies, Simone Romiti, Urs, Wenger
TL;DR
This paper presents preliminary lattice-QCD results for the hadronic light-by-light contribution to the muon g-2, utilizing twisted-mass fermions at the physical point to improve theoretical precision.
Contribution
It introduces a lattice-QCD approach using twisted-mass fermions for more accurate calculation of the muon g-2 hadronic light-by-light contribution.
Findings
Preliminary results obtained for HLbL contribution.
Use of physical point gauge ensembles enhances accuracy.
Method demonstrates potential for reducing theoretical uncertainties.
Abstract
We report on our preliminary results from the lattice-QCD computation of the hadronic light-by-light (HLbL) contribution to the anomalous magnetic moment of the muon. We use twisted-mass gauge ensembles at the physical point generated by the Extended Twisted Mass Collaboration (ETMC).
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Taxonomy
TopicsDark Matter and Cosmic Phenomena · Particle physics theoretical and experimental studies · Quantum and Classical Electrodynamics