Phys.Rev.Lett. 110, 172502 (2013)

D.Mund, B.Markisch, M.Deissenroth, J.Krempel, M.Schumann, H.Abele, A.Petoukhov, T.Soldner

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

RADIOACTIVITY ¹NN(β^-); measured decay products, Eβ, Iβ, En, In; deduced neutron β-asymmetry parameters, ratio of the axial vector to the vector coupling constants. Comparison with available data.

doi: 10.1103/PhysRevLett.110.172502