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nucl-th2009★ 140 cited
Two-pion exchange electromagnetic current in chiral effective field theory using the method of unitary transformation
S. Koelling, E. Epelbaum, H. Krebs +1
We derive the leading two-pion exchange contributions to the two-nucleon electromagnetic current operator in the framework of chiral effective field theory using the method of unit…
hep-th2009★ 46 cited
Redundancy of the off-shell parameters in chiral effective field theory with explicit spin-3/2 degrees of freedom
H. Krebs, E. Epelbaum, U. -G. Meißner
In this note we prove to all orders in the small scale expansion that all off-shell parameters which appear in the chiral effective Lagrangian with explicit Delta(1232) isobar degr…