A novel non-adiabatic approach to transition crossing in a circular hadron accelerator M. Giovannozzi, L. Huang, A. Huschauer and A. Franchi Eur. Phys. J. Plus, 136 11 (2021) 1189 Published online: 29 November 2021 DOI: 10.1140/epjp/s13360-021-02181-6