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

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 a...

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Veröffentlicht in:	Physical review. D 2017-10, Vol.96 (7), p.074507, Article 074507
Hauptverfasser:	Borsanyi, Sz, Fodor, Z., Kawanai, T., Krieg, S., Lellouch, L., Malak, R., Miura, K., Szabo, K. K., Torrero, C., Toth, B. C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Curvature Fermions Flavor (particle physics) High Energy Physics - Lattice High Energy Physics - Phenomenology Mathematical analysis Momentum transfer Physics Polarization Quantum chromodynamics Quarks
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