Radiation pressure force on cold rubidium atoms due to excitation to a non-cooling hyperfine levelGordana Kregar, Neven Šantić, Damir Aumiler and Ticijana BanEur. Phys. J. D, 68 12 (2014) 360DOI: https://doi.org/10.1140/epjd/e2014-50312-3