Lattice calculation of hadronic light-by-light contribution to the muon anomalous magnetic moment
Journal Article
·
· Physical Review D
- Univ. of Connecticut, Storrs, CT (United States); Brookhaven National Lab. (BNL), Upton, NY (United States). RIKEN Research Center
- Columbia Univ., New York, NY (United States)
- Nagoya Univ. (Japan); Nishina Center (RIKEN), Wako (Japan)
- Brookhaven National Lab. (BNL), Upton, NY (United States); Brookhaven National Lab. (BNL), Upton, NY (United States). RIKEN Research Center
- Brookhaven National Lab. (BNL), Upton, NY (United States)
The quark-connected part of the hadronic light-by-light scattering contribution to the muon’s anomalous magnetic moment is computed using lattice QCD with chiral fermions. Here we report several significant algorithmic improvements and demonstrate their effectiveness through specific calculations which show a reduction in statistical errors by more than an order of magnitude. The most realistic of these calculations is performed with a near-physical 171 MeV pion mass on a (4.6 fm)3 spatial volume using the 323×64 Iwasaki+DSDR gauge ensemble of the RBC/UKQCD Collaboration.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Grant/Contract Number:
- SC0012704; FG02-92ER41989; de-sc0011941; AC-02-98CH10886(BNL); 25610053; 26400261
- OSTI ID:
- 1260147
- Alternate ID(s):
- OSTI ID: 1234772
- Report Number(s):
- BNL-112253-2016-JA; PRVDAQ; KA2401012
- Journal Information:
- Physical Review D, Vol. 93, Issue 1; ISSN 2470-0010
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 60 works
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