A derivative-based approach for the leading order hadronic contribution to g_μ-2

2015/12/01 by Eric B. Gregory, Gregory, Eric B., Craig McNeile +1
Computer Science · Physics and Astronomy · #Computational Physics and Python Applications #FOS: Physical sciences #High Energy Physics - Lattice (hep-lat) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies

paper · pdf · doi:10.48550/arxiv.1512.00331

openalex publication_date 2015/12/01 · openalex created_date 2022/10/01 · openalex updated_date 2026/07/28

Abstract

We describe a lattice approach to calculating the leading-order hadronic contribution to the anomalous magnetic moment of the muon. We employ lattice momentum derivatives, in both the spatial and temporal directions, to determine the hadronic vacuum polarization scalar at low momenta and construct a smooth, intregrable function in this momentum region. The method is tested on one hex-smeared Wilson-quark lattice ensemble with physical pion masses.

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