Close-coupling symmetrized variational continuum distorted-wave theory: Electron capture to excited states in {ital p}-H collisions

Journal Article · Mon Jan 01 04:00:00 EST 1996 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.76.392· OSTI ID:278778

Brown, G J; Crothers, D S ^[1]

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1. Theoretical and Computational Physics Research Division, Department of Applied Mathematics and Theoretical Physics, The School of Mathematics and Physics, The Queens University of Belfast, Belfast, BT 7 1NN (Northern Ireland)

We present the first results of an {ital ab} {ital initio} coupled-channel calculation of electron capture to the {ital n}=2 states of hydrogen in proton-hydrogen collisions using symmetrized variational (SV) continuum distorted-wave (CDW) theory. In SVCDW theory the collision ansatz includes both outgoing- and incoming-wave components in the wave functions, and represents in a compact and elegant form a very complete basis set for describing the electron capture process. We calculate total cross sections for nonresonant capture to the 2{ital s} and 2{ital p} states of the projectile, in the energy range 7{endash}150 keV. The results are a substantial improvement over a previous variational CDW theory, and in particular are found to be in good accord with the available experimental data. {copyright} {ital 1996 The American Physical Society.}

• OSTI ID: 278778
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 3 Vol. 76; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
COLLISIONS
COUPLING
DISTORTED WAVE THEORY
ELECTRON CAPTURE
EXCITED STATES
HYDROGEN 1 TARGET
KEV RANGE 10-100
PROJECTILES
PROTON REACTIONS
TOTAL CROSS SECTIONS
VARIATIONAL METHODS
WAVE FUNCTIONS