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Title: Lattice calculation of hadronic light-by-light contribution to the muon anomalous magnetic moment

Abstract

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 32 3×64 Iwasaki+DSDR gauge ensemble of the RBC/UKQCD Collaboration.

Authors:
 [1];  [2];  [3];  [4];  [2];  [5]
  1. Univ. of Connecticut, Storrs, CT (United States); Brookhaven National Lab. (BNL), Upton, NY (United States). RIKEN Research Center
  2. Columbia Univ., New York, NY (United States)
  3. Nagoya Univ. (Japan); Nishina Center (RIKEN), Wako (Japan)
  4. Brookhaven National Lab. (BNL), Upton, NY (United States); Brookhaven National Lab. (BNL), Upton, NY (United States). RIKEN Research Center
  5. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1260147
Alternate Identifier(s):
OSTI ID: 1234772
Report Number(s):
BNL-112253-2016-JA
Journal ID: ISSN 2470-0010; PRVDAQ; KA2401012
Grant/Contract Number:  
SC0012704; FG02-92ER41989; de-sc0011941; AC-02-98CH10886(BNL); 25610053; 26400261
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 93; Journal Issue: 1; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; quark; QCD; fermions; pion; muon

Citation Formats

Blum, Thomas, Christ, Norman, Hayakawa, Masashi, Izubuchi, Taku, Jin, Luchang, and Lehner, Christoph. Lattice calculation of hadronic light-by-light contribution to the muon anomalous magnetic moment. United States: N. p., 2016. Web. doi:10.1103/PhysRevD.93.014503.
Blum, Thomas, Christ, Norman, Hayakawa, Masashi, Izubuchi, Taku, Jin, Luchang, & Lehner, Christoph. Lattice calculation of hadronic light-by-light contribution to the muon anomalous magnetic moment. United States. doi:10.1103/PhysRevD.93.014503.
Blum, Thomas, Christ, Norman, Hayakawa, Masashi, Izubuchi, Taku, Jin, Luchang, and Lehner, Christoph. Tue . "Lattice calculation of hadronic light-by-light contribution to the muon anomalous magnetic moment". United States. doi:10.1103/PhysRevD.93.014503. https://www.osti.gov/servlets/purl/1260147.
@article{osti_1260147,
title = {Lattice calculation of hadronic light-by-light contribution to the muon anomalous magnetic moment},
author = {Blum, Thomas and Christ, Norman and Hayakawa, Masashi and Izubuchi, Taku and Jin, Luchang and Lehner, Christoph},
abstractNote = {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.},
doi = {10.1103/PhysRevD.93.014503},
journal = {Physical Review D},
number = 1,
volume = 93,
place = {United States},
year = {2016},
month = {1}
}

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Free Publicly Available Full Text
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Cited by: 24 works
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Works referenced in this record:

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    Works referencing / citing this record:

    Hadronic light-by-light scattering amplitudes from lattice QCD versus dispersive sum rules
    journal, October 2018


    Updated pseudoscalar contributions to the hadronic light-by-light of the muon ( g − 2)
    journal, September 2016