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Excitation of helium ion by positron impact

Journal Article · · Phys. Rev. A; (United States)
;
Three (1s,2s,2p) and five (1s,2s,2p,3s-bar,3p-bar) -state close-coupling methods have been employed to calculate the n = 2 excitation cross sections of helium ion by positron impact. The effect of pseudostate is found to be very pronounced in the case of 1s-2s excitation.
Research Organization:
Muralidhar Girls' School, 4 Hindusthan Road, Calcutta 700029, West Bengal, India
OSTI ID:
6327649
Journal Information:
Phys. Rev. A; (United States), Journal Name: Phys. Rev. A; (United States) Vol. 33:1; ISSN PLRAA
Country of Publication:
United States
Language:
English

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Related Subjects

640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
CHARGED PARTICLES
COLLISIONS
COMPARATIVE EVALUATIONS
COUPLING
CROSS SECTIONS
ELECTRON COLLISIONS
ENERGY-LEVEL TRANSITIONS
EXCITATION
HELIUM IONS
INELASTIC SCATTERING
ION COLLISIONS
IONS
POSITRON COLLISIONS
POSITRON-ION COLLISIONS
REACTION INTERMEDIATES
SCATTERING