form factor at order of chiral perturbation theory

Chiral perturbation theory to one loop

J. Gasser, H. Leutwyler · Annals of Physics · 1984 · 4K citations

Natural Sciences, Mathematics, Physics +10

Chiral perturbation theory: Expansions in the mass of the strange quark

J. Gasser, H. Leutwyler · Nuclear Physics B · 1985 · 3.5K citations · Full text

Natural Sciences, Physics, Mathematical Physics +13

Phenomenological Lagrangians

Steven Weinberg · Physica A Statistical Mechanics and its Applications · 1979 · 3.3K citations

Scalar one-loop integrals

Gerard ’t Hooft, M. Veltman · Nuclear Physics B · 1979 · 1.4K citations · Full text

An Identity in Quantum Electrodynamics

John Ward · Physical Review · 1950 · 840 citations

Natural Sciences, Physics, Electromagnetism +6