Single-electron capture by 100-1500-keV C+ ions in several atomic and molecular targets

• Published in: Physical review. A, Atomic, molecular, and optical physics Vol. 46; no. 7; pp. 3883 - 3888
• Main Authors: ROTTMANN, L. M, BRUCH, R, NEIL, P, DREXLER, C, DUBOIS, R. D, TOBUREN, L. H
• Format: Journal Article
• Language: English
• Published: College Park, MD American Physical Society 01-10-1992
• Subjects: ALKANES; ALKYL RADICALS; AMMONIA; ARGON; ATOM COLLISIONS; Atomic and molecular collision processes and interactions; ATOMIC AND MOLECULAR PHYSICS; CAPTURE; CARBON COMPOUNDS; CARBON IONS; CARBON MONOXIDE; CARBON OXIDES; CATIONS; CHALCOGENIDES; Charge transfer; CHARGED PARTICLES; COLLISIONS; CROSS SECTIONS; ELECTRON CAPTURE; ELEMENTS; ENERGY RANGE; ETHANE; Exact sciences and technology; FLUIDS; GASES; HELIUM; HYDRIDES; HYDROCARBONS; HYDROGEN; HYDROGEN COMPOUNDS; ION COLLISIONS; ION-ATOM COLLISIONS; ION-MOLECULE COLLISIONS; IONS; METHANE; METHYL RADICALS; MEV RANGE; MEV RANGE 01-10; MOLECULE COLLISIONS; NEON; NITROGEN COMPOUNDS; NITROGEN HYDRIDES; NONMETALS; ORGANIC COMPOUNDS; OXIDES; OXYGEN; OXYGEN COMPOUNDS; Physics; RADICALS; RARE GASES 664300 > Atomic & Molecular Physics > Collision Phenomena > (1992-); SCALING LAWS; Methane; Noble gas Atoms; Oxygen Molecules; Hydrogen Molecules; Atom ion collision; Carbon Atomic ions; Experimental study; Cross section (collision); Ethane; Positive ion; Ammonia; Electron capture; Intermediate energy; Nitrogen Molecules; High energy; Carbon monoxide; Ion molecule collision
• ISSN: 1050-2947; 1094-1622
• DOI: 10.1103/PhysRevA.46.3883

Experimentally determined single-electron-capture cross sections are presented for 100--1500-keV C[sup +] impact on He, Ne, Ar, H[sub 2], N[sub 2], O[sub 2], CO, NH[sub 3], CH[sub 4], C[sub 2]H[sub 6], and (CH[sub 3])[sub 2] NH gaseous targets. For the atomic targets, the single-capture cross sections were found to merge as the impact energy increased. For the molecular targets, the relative changes in the cross sections exhibit little or no dependence on the impact energy. For these systems and in the energy range considered here, the single-electron-capture cross sections were found to scale remarkably well with the size'' of the molecular target, namely with the square of the bond length for the diatomic targets and with the number of atoms comprising the polyatomic targets.