Single photon K^-2 and K^-1K^-1 double core ionization in C₂H_2n (n=1-3), CO, and N₂ as a potential new tool for chemical analysis

M. Nakano^*, F. Penent, M. Tashiro, T. P. Grozdanov, M. Žitnik, S. Carniato, P. Selles, L. Andric, P. Lablanquie, J. Palaudoux, E. Shigemasa, H. Iwayama, Y. Hikosaka, K. Soejima, I. H. Suzuki, N. Kouchi, K. Ito