Spin response function technique in spin-transparent synchrotrons Y. N. Filatov, A. M. Kondratenko, M. A. Kondratenko, Y. S. Derbenev, V. S. Morozov and A. D. Kovalenko Eur. Phys. J. C, 80 8 (2020) 778 Published online: 26 August 2020 DOI: 10.1140/epjc/s10052-020-8344-5