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Application of the binary-encounter theory to proton impact double ionization of atoms. [Cross sections]

Journal Article:

Abstract

Proton impact double ionisation of He has been investigated in the double-encounter model of Gryzinski (Phys. Rev.; 138A:305, 322 and 336 (1965)). The binary-encounter expressions developed by Vriens (Proc. Phys. Soc.; 89:13 (1966), Ibid 90:935 (1967)) along with an accurate quantum-mechanical velocity distribution for the bound electrons in both encounters have been used to obtain double-ionisation cross sections. These results have been compared with the experimental observations and earlier calculations by Gryzinski's method. The variation of sigmasub(+)/sigmasub(++) (single-ionisation cross section/double-ionisation cross section) with incident proton energy is also found to be in qualitative agreement with the experimentally observed variation.
Authors:
Kumar, A; Roy, B N [1] 
  1. Bihar Univ. (India). Dept. of Physics
Publication Date:
Oct 21, 1977
Product Type:
Journal Article
Reference Number:
AIX-09-355892; EDB-78-071453
Resource Relation:
Journal Name: J. Plasma Phys.; (United Kingdom); Journal Volume: 10:15
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; HELIUM; ION-ATOM COLLISIONS; HYDROGEN IONS 1 PLUS; BINARY ENCOUNTER METHOD; COMPARATIVE EVALUATIONS; CROSS SECTIONS; ENERGY DEPENDENCE; IONIZATION; KEV RANGE 10-100; KEV RANGE 100-1000; PROTONS; ATOM COLLISIONS; BARYONS; CATIONS; CHARGED PARTICLES; COLLISIONS; CRYOGENIC FLUIDS; ELEMENTARY PARTICLES; ELEMENTS; ENERGY RANGE; FERMIONS; FLUIDS; HADRONS; HYDROGEN IONS; ION COLLISIONS; IONS; KEV RANGE; NONMETALS; NUCLEONS; RARE GASES; 640304* - Atomic, Molecular & Chemical Physics- Collision Phenomena
OSTI ID:
5108439
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: JPLPB
Submitting Site:
INIS
Size:
Pages: 3047-3055
Announcement Date:
Feb 01, 1978

Journal Article:

Citation Formats

Kumar, A, and Roy, B N. Application of the binary-encounter theory to proton impact double ionization of atoms. [Cross sections]. United Kingdom: N. p., 1977. Web.
Kumar, A, & Roy, B N. Application of the binary-encounter theory to proton impact double ionization of atoms. [Cross sections]. United Kingdom.
Kumar, A, and Roy, B N. 1977. "Application of the binary-encounter theory to proton impact double ionization of atoms. [Cross sections]." United Kingdom.
@misc{etde_5108439,
title = {Application of the binary-encounter theory to proton impact double ionization of atoms. [Cross sections]}
author = {Kumar, A, and Roy, B N}
abstractNote = {Proton impact double ionisation of He has been investigated in the double-encounter model of Gryzinski (Phys. Rev.; 138A:305, 322 and 336 (1965)). The binary-encounter expressions developed by Vriens (Proc. Phys. Soc.; 89:13 (1966), Ibid 90:935 (1967)) along with an accurate quantum-mechanical velocity distribution for the bound electrons in both encounters have been used to obtain double-ionisation cross sections. These results have been compared with the experimental observations and earlier calculations by Gryzinski's method. The variation of sigmasub(+)/sigmasub(++) (single-ionisation cross section/double-ionisation cross section) with incident proton energy is also found to be in qualitative agreement with the experimentally observed variation.}
journal = {J. Plasma Phys.; (United Kingdom)}
volume = {10:15}
journal type = {AC}
place = {United Kingdom}
year = {1977}
month = {Oct}
}