PAH under XUV excitation: an ultrafast XUV-photochemistry experiment for astrophysics M. Hervé, P. Castellanos, G. Karras, V. Despré, A. Marciniak, E. Constant, V. Loriot, A.I. Kuleff, A. G. G. M. Tielens and F. Lépine EPJ Web Conf., 205 (2019) 06012 Published online: 16 April 2019 DOI: 10.1051/epjconf/201920506012