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Nucleon-pion-state contamination in lattice computations of the nucleon electromagnetic form factors
Autor:
Oliver Baer, Haris Colic
Publikováno v:
Proceedings of The 38th International Symposium on Lattice Field Theory — PoS(LATTICE2021).
Autor:
Haris Colic, Oliver Bär
Publikováno v:
Physical Review
The nucleon-pion-state contribution to QCD two-point and three-point functions relevant for lattice calculations of the nucleon electromagnetic form factors are studied in chiral perturbation theory. To leading order the results depend on a few exper