The activation method for cross section measurements in nuclear astrophysics Gy. Gyürky, Zs. Fülöp, F. Käppeler, G. G. Kiss and A. Wallner Eur. Phys. J. A, 55 3 (2019) 41 Published online: 26 March 2019 DOI: 10.1140/epja/i2019-12708-4