Resonant transfer excitation in collisions of F sup 6+ and Mg sup 9+ with H sub 2

Experimental and theoretical investigations of resonant transfer excitation (RTE) for F{sup 6+}+H{sub 2} and Mg{sup 9+}+H{sub 2} collisions have been made. For both collision systems good agreement is obtained between the measured cross sections for {ital K}-shell x-ray emission coincident with elec...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 1991-10, Vol.44:7
Main Authors: Bernstein, E.M., Kamal, A., Zaharakis, K.E., Clark, M.W., Tanis, J.A., Ferguson, S.M., Badnell, N.R.
Format: Article
Language:English
Subjects:
640304 - Atomic, Molecular & Chemical Physics- Collision Phenomena
ATOMIC AND MOLECULAR PHYSICS
CHARGED PARTICLES
CHEMICAL ANALYSIS
COLLISIONS
ELECTRON TRANSFER
ELEMENTS
ENERGY-LEVEL TRANSITIONS
EXCITATION
FLUORINE IONS
HYDROGEN
ION COLLISIONS
ION-MOLECULE COLLISIONS
IONS
MAGNESIUM IONS
MOLECULE COLLISIONS
MULTICHARGED IONS
NONDESTRUCTIVE ANALYSIS
NONMETALS
RESONANCE
X-RAY EMISSION ANALYSIS
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Summary:Experimental and theoretical investigations of resonant transfer excitation (RTE) for F{sup 6+}+H{sub 2} and Mg{sup 9+}+H{sub 2} collisions have been made. For both collision systems good agreement is obtained between the measured cross sections for {ital K}-shell x-ray emission coincident with electron-capture and theoretical RTE calculations. For F{sup 6+} the present calculations are about 10% lower than previous results of Bhalla and Karim (Phys. Rev. A 39, 6060 (1989); 41, 4097(E) (1990)); the measured cross sections are a factor of 2.3 larger than earlier measurements of Schulz {ital et} {ital al}. (Phys. Rev. A 38, 5454 (1988)). The previous disagreement between experiment and theory for F{sup 6+} is removed.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.44.4210