Abstract
In this article we evaluate state-resolved charge exchange cross sections for Be and projectiles colliding with atomic hydrogen employing two different methods: the classical trajectory Monte Carlo and the eikonal impulse approximations. These cross sections are used to extend previously derived scaling laws for n-, nl-, and nlm-distributions to highly excited final levels with covering energies in the range amu. Present total and partial capture cross sections are in agreement with available experimental and theoretical data for these collision systems. Besides, the proposed scaling rules are also verified by other theories, becoming a useful instrument for plasma research.
Highlights
Synopsis State-resolved charge exchange (CX) cross sections for Be4+, C6+, N7+ and O8+ projectiles colliding with atomic hydrogen are evaluated employing two different methods: the Classical Trajectory Monte Carlo (CTMC) and the eikonal impulse (EI) approximations
Present results are in agreement with available experimental and theoretical data for these collision systems, becoming a useful instrument for plasma research
In Eq (2) the function unlm can be considered as an universal function of the scaled transferred momentum W = (v2 + zT 2 − 1)/(2v), with zT = ZT /zP (ZT =1 for H) and v = v/zP
Summary
∗ Departamento de Quımica, Modulo 13, Universidad Autonoma de Madrid, Cantoblanco 28049, Madrid, Spain Synopsis State-resolved charge exchange (CX) cross sections for Be4+, C6+, N7+ and O8+ projectiles colliding with atomic hydrogen are evaluated employing two different methods: the Classical Trajectory Monte Carlo (CTMC) and the eikonal impulse (EI) approximations. These cross sections are used to extend previously derived scaling laws for n−, nl−, and nlm− distributions to highly excited final levels with 4≤ n ≤ 9, covering energies in the range 50-2000 keV/amu.
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