Nonperturbative treatment of single ionization ofH2by fast highly-charged-ion impact
Autor: | Alain Dubois, Jan Petter Hansen, Nicolas Sisourat, T. Birkeland, L. Sælen |
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Rok vydání: | 2010 |
Předmět: | |
Zdroj: | Physical Review A. 81 |
ISSN: | 1094-1622 1050-2947 |
DOI: | 10.1103/physreva.81.022718 |
Popis: | We present a detailed analysis of the interference effects observed for ionization in collisions of fast highly charged projectiles with molecular hydrogen. We propose a nonperturbative semiclassical approach to describe the process under consideration by solving the time-dependent Schroedinger equation fully numerically on a 3D spatial grid. We present results for Kr{sup 34+}-H{sub 2} collisions at 63 MeV/u impact energy and discuss different structures observed experimentally in doubly differential cross sections. The presence of Young-type minima and the absence of high-frequency oscillations are especially addressed. We also report unexpected interference patterns which can be observed for fixed-in-space molecular targets. |
Databáze: | OpenAIRE |
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