UV-light induced vibrational coherences explain Kasha rule violation in frans-azobenzeneArtur Nenov, Rocio Borrego-Varillas, Aurelio Oriana, Lucia Ganzer, Francesco Segatta, Irene Conti, Cristian Manzoni, Giulio Cerullo and Marco GaravelliEPJ Web Conf., 205 (2019) 09016DOI: https://doi.org/10.1051/epjconf/201920509016