Updated pseudoscalar contributions to the hadronic light-by-light of the muon (g − 2)

2016/06/30 by Pablo Sanchez-Puertas, Pere Masjuan
Computer Science · Physics and Astronomy · #Computational Physics and Python Applications #Hadron #Muon #Muon capture #Neutrino Physics Research #Particle physics theoretical and experimental studies #Pseudoscalar #Systematic error #hep-ph

paper · pdf · doi:10.1142/s0217732316300342

published as Mod. Phys. Lett. A, Vol. 31, No. 31 (2016) 1630034 · 13 pages, 3 figures, contributions to Determination of the Fundamental Parameters in QCD; matches the published proceedings version

openalex created_date 2016/06/24 · openalex publication_date 2016/09/13 · arxiv created 2016/09/18 · arxiv updated 2016/09/20 · openalex updated_date 2026/08/05

Abstract

In this work, we present our recent results on a new and alternative data-driven determination for the hadronic light-by-light pseudoscalar pole contribution to the muon (g − 2). Our approach is based on Canterbury approximants, a rational approach to describe the required transition form factors, which provides a systematic and model-independent framework beyond traditional large-[Formula: see text] approaches. As a result, we obtain a competitive determination with errors according to future (g − 2) experiments including, for the first time, a well-defined systematic uncertainty.

Citations

• The Hadronic Light-by-Light Scattering Contribution to the Muon and Electron Anomalous Magnetic Moments
• Hadronic contributions to the muon g−2 and low-energy QCD
• Dispersive approach to hadronic light-by-light scattering
• Final report of the E821 muon anomalous magnetic moment measurement at BNL
• Reevaluation of the hadronic contributions to the muon g−2 and to α (M²_Z)
• Measurement of the gamma gamma* --> pi0 transition form factor
• Lattice calculation of hadronic light-by-light contribution to the muon anomalous magnetic moment
• Big-Bang Nucleosynthesis