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@ARTICLE{Alexandrou:860330,
author = {Alexandrou, C. and de Forcrand, Ph. and Lippert, Th. and
Neff, H. and Negele, J. W. and Schilling, K. and Schroers,
W. and Tsapalis, A.},
title = {{N} to Δ electromagnetic transition form factors from
lattice {QCD}},
journal = {Physical review / D},
volume = {69},
number = {11},
issn = {1550-7998},
address = {Melville, NY},
publisher = {Inst.812068},
reportid = {FZJ-2019-01105},
pages = {114506},
year = {2004},
abstract = {The magnetic dipole, the electric quadrupole, and the
Coulomb quadrupole amplitudes for the transition γ→NΔ
are evaluated both in quenched lattice QCD at β=6.0 and
using two dynamical Wilson fermions simulated at β=5.6. The
dipole transition form factor is accurately determined at
several values of momentum transfer. On the lattices studied
in this work, the electric quadrupole amplitude is found to
be nonzero, yielding a negative value for the ratio REM of
electric quadrupole to magnetic dipole amplitudes at three
values of momentum transfer.},
ddc = {530},
typ = {PUB:(DE-HGF)16},
doi = {10.1103/PhysRevD.69.114506},
url = {https://juser.fz-juelich.de/record/860330},
}