An improved evaluation of the electroweak contribution to $(g-2)_\mu$

Hoferichter, Martin; Lüdtke, Jan; Naterop, Luca; Procura, Massimiliano; Stoffer, Peter

An improved evaluation of the electroweak contribution to $(g-2)_\mu$

Martin Hoferichter
(
- Bern U.
)
,
Jan Lüdtke
(
- Vienna U.
)
,
Luca Naterop
(
- Zurich U. and
- PSI, Villigen
)
,
Massimiliano Procura
(
- Vienna U.
)
,
Peter Stoffer
(
- Zurich U. and
- PSI, Villigen
)

Mar 6, 2025

7 pages

e-Print:

2503.04883 [hep-ph]

Report number:

PSI-PR-25-04,
UWThPh 2025-8,
ZU-TH 10/25

View in:

ADS Abstract Service

pdf

reference search0 citations

Citations per year

0 Citations

Abstract: (arXiv)

A precise evaluation of the electroweak contribution to the anomalous magnetic moment of the muon requires control over all aspects of the Standard Model, ranging from Higgs physics, over multi-loop computations for bosonic and (heavy-)fermion diagrams, to non-perturbative effects in the presence of light quarks. Currently, the dominant uncertainties arise from such hadronic effects in the vector-vector-axial-vector three-point function, an improved understanding of which has recently emerged in the context of hadronic light-by-light scattering. Profiting from these developments as well as new perturbative and non-perturbative input for the charm contribution, we obtain

a_\mu^\text{EW}=154.4(4)\times 10^{-11}

.

Note:

7 pages, 2 figures

References(0)

Figures(3)

Loading ...

An improved evaluation of the electroweak contribution to (g−2)μ(g-2)_\mu(g−2)μ​

Citations per year

An improved evaluation of the electroweak contribution to $(g-2)_\mu$