Picosecond Time-Resolved Hard X-ray Photoelectron Spectroscopy System at the 27-m-long Undulator Beamline BL19LXU of SPring-8. Issue 4 (4th July 2018) - Oura, Masaki; Osawa, Hitoshi; Tamasaku, Kenji; Tanaka, Kenta; Pincelli, Tommaso; Fujii, Jun; Panaccione, Giancarlo; Tanaka, Yoshihito