Hadronic light-by-light scattering contribution to the muon anomalous magnetic moment from lattice QCD
Journal Article
·
· Physical Review Letters
- Univ. of Connecticut, Storrs, CT (United States); Brookhaven National Lab., Upton, NY (United States)
- Univ. of Connecticut, Storrs, CT (United States)
- Nagoya Univ., Nagoya (Japan); RIKEN, Saitama (Japan)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
The form factor that yields the light-by-light scattering contribution to the muon anomalous magnetic moment is computed in lattice QCD+QED and QED. A non-perturbative treatment of QED is used and is checked against perturbation theory. The hadronic contribution is calculated for unphysical quark and muon masses, and only the diagram with a single quark loop is computed. Statistically significant signals are obtained. Initial results appear promising, and the prospect for a complete calculation with physical masses and controlled errors is discussed.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- Grant/Contract Number:
- SC00112704; FG02-13ER41989; SC0010339
- OSTI ID:
- 1183837
- Alternate ID(s):
- OSTI ID: 1180333
- Report Number(s):
- BNL-107878-2015-JA; PRLTAO; R&D Project: PO-3; TRN: US1600764
- Journal Information:
- Physical Review Letters, Vol. 114, Issue 1; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 69 works
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