Published August 1996 | Version v1
Journal article

Threshold law for ionization of atomic hydrogen by positron impact

  • 1. Department of Theoretical Physics, Indian Association for the Cultivation of Science, Jadavpur, Calcutta 700032 (India)

Description

The cross section σ for the positron-impact ionization of the hydrogen atom near threshold has been evaluated analytically with the final-state wave function involving three Coulomb functions. Contrary to the earlier result that σ vanishes exponentially, we find the threshold law as σ∼E3/2. copyright 1996 The American Physical Society

Additional details

Publishing Information

Journal Title
Physical Review. A
Journal Volume
54
Journal Issue
2
Journal Page Range
p. 1360-1362.
ISSN
1050-2947
CODEN
PLRAAN

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
27079215
Subject category
S74: ATOMIC AND MOLECULAR PHYSICS;
Descriptors DEI
COULOMB FIELD; CROSS SECTIONS; HYDROGEN; IONIZATION; POSITRON-ATOM COLLISIONS; THRESHOLD ENERGY; WAVE FUNCTIONS
Descriptors DEC
ATOM COLLISIONS; COLLISIONS; ELECTRIC FIELDS; ELEMENTS; ENERGY; FUNCTIONS; NONMETALS; POSITRON COLLISIONS