Ultrafast Photolysis of o-Nitrophenol Studied by Time-Resolved Photoelectron Spectroscopy Yuki Nitta, Oliver Schalk, Keisuke Kaneshima and Taro Sekikawa EPJ Web Conf., 205 (2019) 09022 Published online: 16 April 2019 DOI: 10.1051/epjconf/201920509022