Slope and curvature of the hadronic vacuum polarization at vanishing virtuality from lattice QCD

Sz Borsanyi, Z. Fodor, T. Kawanai, S. Krieg, L. Lellouch, R. Malak, K. Miura, K. K. Szabo, C. Torrero, B. C. Toth

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16 Citations (Scopus)

Abstract

We compute the slope and curvature, at vanishing four-momentum transfer squared, of the leading order hadronic vacuum polarization function, using lattice quantum chromodynamics. Calculations are performed with 2+1+1 flavors of staggered fermions directly at the physical values of the quark masses and in volumes of linear extent larger than 6 fm. The continuum limit is carried out using six different lattice spacings. All connected and disconnected contributions are calculated, up to and including those of the charm.

Original languageEnglish
Article number074507
JournalPhysical Review D
Volume96
Issue number7
DOIs
Publication statusPublished - Oct 24 2017

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Borsanyi, S., Fodor, Z., Kawanai, T., Krieg, S., Lellouch, L., Malak, R., Miura, K., Szabo, K. K., Torrero, C., & Toth, B. C. (2017). Slope and curvature of the hadronic vacuum polarization at vanishing virtuality from lattice QCD. Physical Review D, 96(7), [074507]. https://doi.org/10.1103/PhysRevD.96.074507