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DISSOCIATIVE RECOMBINATION WITHOUT CURVE CROSSING - STUDY OF HEH+

SARPAL, BK; TENNYSON, J; MORGAN, LA; (1994) DISSOCIATIVE RECOMBINATION WITHOUT CURVE CROSSING - STUDY OF HEH+. J PHYS B-AT MOL OPT , 27 (24) 5943 - 5953.

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Abstract

We present a new theory for calculating dissociative recombination (and dissociative attachment) cross sections applicable for systems with or without curve crossings. The theory uses the R-matrix method to build up N + 1 electron 'curves' in an inner region which can be coupled in a full non-adiabatic treatment. We report the first ab initio determination of the low-energy dissociative recombination cross section for (HeH+)-He-4. The cross section is found to be in good agreement with measurements, now disputed, made in a merged beam experiment.

Type:Article
Title:DISSOCIATIVE RECOMBINATION WITHOUT CURVE CROSSING - STUDY OF HEH+
Keywords:VIBRATIONAL-EXCITATION, ELECTRON-SCATTERING, COLLISIONS, MOLECULES, GENERATION, ATTACHMENT, ORBITALS, STATES, H-2+, HCL
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Physics and Astronomy

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