Fall-back time for photo-ionized Cs atoms attached to superfluid 4He nanodropletsFrançois Coppens, Johannes von Vangerow, Antonio Leal, Manuel Barranco, Nadine Halberstadt, Marcel Mudrich, Martí Pi and Frank StienkemeierEur. Phys. J. D, 73 5 (2019) 94DOI: https://doi.org/10.1140/epjd/e2019-90692-0