Multiple ionization and fragmentation of CH4 in collisions with slow highly charged ions

Werner U, Siegmann B, Lebius H, Huber B, Lutz HO. Multiple ionization and fragmentation of CH4 in collisions with slow highly charged ions. In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. Nuclear Instruments & Methods in Physics Research Section B - Beam Interactions with Materials and Atoms. Vol 205. ELSEVIER SCIENCE BV; 2003: 639-642.The multiple ionization and fragmentation of methane was studied in collisions with slow highly charged Xe-ions utilizing a position- and time-sensitive multi-particle detector. The coincident measurement of the momenta of correlated fragment ions allows a detailed analysis of the fragmentation kinematics and the kinetic energy release can be derived for each break-up into charged fragments. Among the observed processes the spectra for H+ + CH3+ and H-2(-) + CH2-, showed the highest sensitivity to projectile characteristics. (C) 2003 Elsevier Science B.V. All rights reserved