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Mund, D.; Märkisch, B.; Deissenroth, M.; Krempel, J.; Schumann, Marc; Abele, H.; Petoukhov, A.; Soldner, T. (2013). Determination of the Weak Axial Vector Coupling λ=g_{A}/g_{V} from a Measurement of the β-Asymmetry Parameter A in Neutron Beta Decay. Physical review letters, 110(17) American Physical Society 10.1103/PhysRevLett.110.172502