Ultrafast spectroscopy of linear carbon chains: the case of dinaphthylpolyynes D. Fazzi, F. Scotognella, A. Milani, D. Brida, E. Cinquanta, L. Ravagnan, P. Milani, F. Cataldo, M. Negro, S. Stagira and C. Vozzi EPJ Web of Conferences, 41 (2013) 05026 Published online: 13 March 2013 DOI: 10.1051/epjconf/20134105026