[en] The resonance activation integral of gold has been determined, by means of cadmium ratio measurements of thin foils in a neutron beam. Comparison was made with a 1/v detector, and the neutron spectra were measured with a chopper. The resonance integral, RI, is defined as ∫_0.5^∞σ_r(E)dE/E, where σ_r(E) is the differenc between the total absorption cross section and the 1/v part. An experimental value of 1490 ± 40 barns has been obtained. RI has also been computed from resonance parameter data with the result 1529 ± 70 barns