Header

UZH-Logo

Maintenance Infos

Data-driven evaluations of Euclidean windows to scrutinize hadronic vacuum polarization


Colangelo, Gilberto; El-Khadra, Aida X; Hoferichter, Martin; Keshavarzi, Alexander; Lehner, Christoph; Stoffer, Peter; Teubner, Thomas (2022). Data-driven evaluations of Euclidean windows to scrutinize hadronic vacuum polarization. Physics Letters B, 833:137313.

Abstract

In this paper, we discuss how windows in Euclidean time can be used to isolate the origin of potential conflicts between evaluations of the hadronic-vacuum-polarization (HVP) contribution to the anomalous magnetic moment of the muon in lattice QCD and from cross-section data. We provide phenomenological comparison numbers evaluated from data for the window quantities most commonly studied in lattice QCD, complete with the correlations among them. We discuss and evaluate modifications of window parameters that could be useful in dissecting the energy dependence of tensions in the HVP integral and emphasize that further optimizations require a precise knowledge of the full covariance matrix in lattice-QCD calculations as well.

Abstract

In this paper, we discuss how windows in Euclidean time can be used to isolate the origin of potential conflicts between evaluations of the hadronic-vacuum-polarization (HVP) contribution to the anomalous magnetic moment of the muon in lattice QCD and from cross-section data. We provide phenomenological comparison numbers evaluated from data for the window quantities most commonly studied in lattice QCD, complete with the correlations among them. We discuss and evaluate modifications of window parameters that could be useful in dissecting the energy dependence of tensions in the HVP integral and emphasize that further optimizations require a precise knowledge of the full covariance matrix in lattice-QCD calculations as well.

Statistics

Citations

Dimensions.ai Metrics
48 citations in Web of Science®
63 citations in Scopus®
Google Scholar™

Altmetrics

Downloads

9 downloads since deposited on 03 Aug 2022
2 downloads since 12 months
Detailed statistics

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Physical Sciences > Nuclear and High Energy Physics
Uncontrolled Keywords:Nuclear and High Energy Physics
Language:English
Date:1 October 2022
Deposited On:03 Aug 2022 08:42
Last Modified:27 Jun 2024 01:38
Publisher:Elsevier
ISSN:0370-2693
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1016/j.physletb.2022.137313
  • Content: Published Version
  • Language: English
  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)