PoS - Proceedings of Science
Volume 256 - 34th annual International Symposium on Lattice Field Theory (LATTICE2016) - Hadron Structure
Electromagnetic Corrections to Meson Masses and the HVP
V. Guelpers,* J. Harrison, P.A. Boyle, A. Juttner, A. Portelli, C. Sachrajda
*corresponding author
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Pre-published on: February 01, 2017
Published on: March 24, 2017
Abstract
We present an exploratory study of the electromagnetic corrections to meson masses and the hadronic vacuum polarization using $N_f=2+1$ Domain Wall fermions. These corrections are estimated with two different approaches, a stochastic approach using $U(1)$ gauge configurations for the photon fields, and a perturbative approach through a QED perturbative expansion of the QCD+QED path integral. We compare results and statistical errors from both methods.
DOI: https://doi.org/10.22323/1.256.0172
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