Data-driven approximations to the Hadronic Light-by-Light scattering contribution to the muon (g - 2)

被引：0

作者：

Masjuan, P. ^{[1
,2
,3
]}

Roig, P. ^{[4
]}

机构：

[1] Univ Autonoma Barcelona, Dept Fis, Grup Fis Teor, Bellaterra 08193, Barcelona, Spain

[2] Inst Fis Altes Energies IFAE, Campus UAB, Bellaterra 08193, Barcelona, Spain

[3] Barcelona Inst Sci & Technol BIST, Campus UAB, Bellaterra 08193, Barcelona, Spain

[4] Inst Politecn Nacl, Ctr Invest & Estudios Avanzados, Dept Fis, Apdo Postal 14-740, Mexico City 07000, Mexico

来源：

NUOVO CIMENTO C-COLLOQUIA AND COMMUNICATIONS IN PHYSICS | 2024年 / 47卷 / 04期

关键词：

SHORT-DISTANCE CONSTRAINTS; ANOMALOUS MAGNETIC-MOMENT; MESON CONTRIBUTIONS; SPECTRAL FUNCTIONS; FORM-FACTOR; SIGMA(E(+)E(-); PI(+)PI(-));

D O I：

10.1393/ncc/i2024-24246-1

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We review recent progress on the numerical determination of the Hadronic Light-by-Light contribution to the anomalous magnetic moment of the muon. We advocate for a slight increase of the White Paper number for its Standard Model prediction, to (102 +/- 17) x 10-11, accounting for a revised contribution from axial-vector mesons and short-distance constraints. This similar to 10% larger result seems to be supported by the most recent lattice QCD evaluations.

引用

页数：7

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