| Literature DB >> 18517942 |
J McKenna1, A M Sayler, F Anis, B Gaire, Nora G Johnson, E Parke, J J Hua, H Mashiko, C M Nakamura, E Moon, Z Chang, K D Carnes, B D Esry, I Ben-Itzhak.
Abstract
High-order (three-photon or more) above-threshold dissociation (ATD) of H(2)(+) has generally not been observed using 800 nm light. We demonstrate a strong enhancement of its probability using intense 7 fs laser pulses interacting with beams of H(2)(+), HD(+), and D(2)(+) ions. The mechanism invokes a dynamic control of the dissociation pathway. These measurements are supported by theory that additionally reveals, for the first time, an unexpectedly large contribution to ATD from highly excited electronic states.Entities:
Year: 2008 PMID： 18517942 DOI： 10.1103/PhysRevLett.100.133001
Source DB: PubMed Journal: Phys Rev Lett ISSN： 0031-9007 Impact factor: 9.161