Charge-density-wave in 1T-TiSe2: exciton-phonon separation by femtosecond valence band dynamics H. Hedayat, D. Bugini, S. Karbassi, S. Friedmann, J. van Wezel, S. R. Clark, C. Sayers, E. Da Como, G. Cerullo, C. Dallera and E. Carpene EPJ Web Conf., 205 (2019) 04008 Published online: 16 April 2019 DOI: 10.1051/epjconf/201920504008