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Title: Computing the hadronic vacuum polarization function by analytic continuation

Journal Article · · Physical Review. D, Particles, Fields, Gravitation and Cosmology
 [1];  [2];  [3];  [4];  [5];  [6]
  1. High Energy Accelerator Research Organization (KEK), Tsukuba (Japan)
  2. High Energy Accelerator Research Organization (KEK), Tsukuba (Japan); The Graduate Univ. for Advanced Studies (Sokendai), Tsukuba (Japan)
  3. Humboldt Univ. zu Berlin, Berlin (Germany)
  4. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); Univ. of Cyprus, Nicosia (Cyprus)
  5. The Cyprus Institute, Nicosia (Cyprus)
  6. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

We propose a method to compute the hadronic vacuum polarization function on the lattice at continuous values of photon momenta bridging between the spacelike and timelike regions. We provide two independent demonstrations to show that this method leads to the desired hadronic vacuum polarization function in Minkowski spacetime. We present with the example of the leading-order QCD correction to the muon anomalous magnetic moment that this approach can provide a valuable alternative method for calculations of physical quantities where the hadronic vacuum polarization function enters.

Research Organization:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC05-06OR23177
OSTI ID:
1091780
Report Number(s):
KEK-CP-286; DESY-13-085; JLAB-THY-13-1736; SFB/CPP-13-30; HU-EP-13/24; DOE/OR/23177-2562; arXiv:1305.5878; PRVDAQ; TRN: US1600823
Journal Information:
Physical Review. D, Particles, Fields, Gravitation and Cosmology, Vol. 88, Issue 3; ISSN 1550-7998
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 36 works
Citation information provided by
Web of Science

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Cited By (19)

Lattice Calculations and the Muon Anomalous Magnetic Moment journal May 2017
Leading-order hadronic contribution to the electron and muon g − 2 journal January 2016
Muon g – 2 theory: The hadronic part journal January 2018
QCD and strongly coupled gauge theories: challenges and perspectives journal October 2014
Muon $$g-2$$ g - 2 estimates: can one trust effective Lagrangians and global fits? journal December 2015
Leading-order hadronic contributions to the electron and tau anomalous magnetic moments journal August 2016
Rho Resonance, Timelike Pion Form Factor, and Implications for Lattice Studies of the Hadronic Vacuum Polarisation text January 2019
Leading-order hadronic contributions to the electron and tau anomalous magnetic moments text January 2016
Rho resonance, timelike pion form factor, and implications for lattice studies of the hadronic vacuum polarization text January 2020
The hadronic vacuum polarization contribution to the muon g − 2 from lattice QCD text January 2017
Rho resonance, timelike pion form factor, and implications for lattice studies of the hadronic vacuum polarization journal March 2020
QCD and Strongly Coupled Gauge Theories: Challenges and Perspectives text January 2014
Leading-order hadronic contribution to the electron and muon $g − 2$ text January 2016
Strange and charm quark contributions to the anomalous magnetic moment of the muon text January 2014
Calculation of the hadronic vacuum polarization disconnected contribution to the muon anomalous magnetic moment text January 2015
Connected and leading disconnected hadronic light-by-light contribution to the muon anomalous magnetic moment with physical pion mass text January 2016
Lattice calculations and the muon anomalous magnetic moment preprint January 2017
Calculation of the hadronic vacuum polarization contribution to the muon anomalous magnetic moment text January 2018
Rho resonance, timelike pion form factor, and implications for lattice studies of the hadronic vacuum polarisation text January 2019