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@ARTICLE{Horsley:811030,
author = {Horsley, R. and Nakamura, Y. and Perlt, H. and Pleiter, D.
and Rakow, P. E. L. and Schierholz, G. and Schiller, A. and
Stokes, R. and Stüben, H. and Young, R. D. and Zanotti, J.
M.},
title = {{QED} effects in the pseudoscalar meson sector},
journal = {Journal of high energy physics},
volume = {2016},
number = {4},
issn = {1029-8479},
address = {Berlin},
publisher = {Springer},
reportid = {FZJ-2016-03567},
pages = {93},
year = {2016},
abstract = {In this paper we present results on the pseudoscalar meson
masses from a fully dynamical simulation of QCD+QED,
concentrating particularly on violations of isospin
symmetry. We calculate the π +-π 0 splitting and also look
at other isospin violating mass differences. We have
presented results for these isospin splittings in [1]. In
this paper we give more details of the techniques employed,
discussing in particular the question of how much of the
symmetry violation is due to QCD, arising from the different
masses of the u and d quarks, and how much is due to QED,
arising from the different charges of the quarks. This
decomposition is not unique, it depends on the
renormalisation scheme and scale. We suggest a
renormalisation scheme in which Dashen’s theorem for
neutral mesons holds, so that the electromagnetic
self-energies of the neutral mesons are zero, and discuss
how the self-energies change when we transform to a scheme
such as M S, in which Dashen’s theorem for neutral mesons
is violated.},
cin = {JSC},
ddc = {530},
cid = {I:(DE-Juel1)JSC-20090406},
pnm = {511 - Computational Science and Mathematical Methods
(POF3-511)},
pid = {G:(DE-HGF)POF3-511},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000374340400004},
doi = {10.1007/JHEP04(2016)093},
url = {https://juser.fz-juelich.de/record/811030},
}