Hadronic effects in the muon anomalous magnetic moment

Arkady Vainshtein

doi:10.1016/j.ppnp.2005.01.019

Hadronic effects in the muon anomalous magnetic moment

Arkady Vainshtein

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Short survey › peer-review

2 Scopus citations

Abstract

We discuss the hadronic light-by-light scattering contribution to the muon anomalous magnetic moment, aμ=(gμ-2)/2, paying particular attention to the consistent matching of the short- and long-distance behaviors of the light-by-light scattering amplitude. Accounting for the short-distance constraints leads to an approximately 50% increase in the central value of aμLbL compared with existing estimates.

Original language	English (US)
Pages (from-to)	451-459
Number of pages	9
Journal	Progress in Particle and Nuclear Physics
Volume	55
Issue number	1
DOIs	https://doi.org/10.1016/j.ppnp.2005.01.019
State	Published - Jul 2005
Event	International School of Nuclear Physics 26th Course Lepton Scattering and the Structure of Hadrons and Nuclei - Duration: Sep 16 2004 → Sep 24 2004

Bibliographical note

Funding Information:
I am grateful to A. Czarnecki, W.J. Marciano and K. Melnikov for collaboration. This work was supported in part by DOE grant DE-FG02-94ER408.

Keywords

Anomalous magnetic moment
Muon
Operator Product Expansion

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title = "Hadronic effects in the muon anomalous magnetic moment",

abstract = "We discuss the hadronic light-by-light scattering contribution to the muon anomalous magnetic moment, aμ=(gμ-2)/2, paying particular attention to the consistent matching of the short- and long-distance behaviors of the light-by-light scattering amplitude. Accounting for the short-distance constraints leads to an approximately 50% increase in the central value of aμLbL compared with existing estimates.",

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N1 - Funding Information: I am grateful to A. Czarnecki, W.J. Marciano and K. Melnikov for collaboration. This work was supported in part by DOE grant DE-FG02-94ER408.

PY - 2005/7

Y1 - 2005/7

N2 - We discuss the hadronic light-by-light scattering contribution to the muon anomalous magnetic moment, aμ=(gμ-2)/2, paying particular attention to the consistent matching of the short- and long-distance behaviors of the light-by-light scattering amplitude. Accounting for the short-distance constraints leads to an approximately 50% increase in the central value of aμLbL compared with existing estimates.

AB - We discuss the hadronic light-by-light scattering contribution to the muon anomalous magnetic moment, aμ=(gμ-2)/2, paying particular attention to the consistent matching of the short- and long-distance behaviors of the light-by-light scattering amplitude. Accounting for the short-distance constraints leads to an approximately 50% increase in the central value of aμLbL compared with existing estimates.

KW - Anomalous magnetic moment

KW - Muon

KW - Operator Product Expansion

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DO - 10.1016/j.ppnp.2005.01.019

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VL - 55

SP - 451

EP - 459

JO - Progress in Particle and Nuclear Physics

JF - Progress in Particle and Nuclear Physics

IS - 1

T2 - International School of Nuclear Physics 26th Course Lepton Scattering and the Structure of Hadrons and Nuclei

Y2 - 16 September 2004 through 24 September 2004

ER -

Hadronic effects in the muon anomalous magnetic moment

Abstract

Bibliographical note

Keywords

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