Excitation of helium ion by positron impact

Journal Article · Wed Jan 01 00:00:00 EST 1986 · Phys. Rev. A; (United States)

DOI:https://doi.org/10.1103/PhysRevA.33.729· OSTI ID:6327649

Khan, P; Ghosh, A S

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), Vol. 33:1
• Country of Publication: United States
• Language: English

Related Subjects

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