Electron-collision cross sections for iodine

We present results from a joint experimental and theoretical study of elastic electron scattering from atomic iodine. The experimental results were obtained by subtracting known cross sections from the measured data obtained with a pyrolyzed mixed beam containing a variety of atomic and molecular sp...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2011-04, Vol.83 (4), Article 042702
Main Authors: Zatsarinny, O., Bartschat, K., Garcia, G., Blanco, F., Hargreaves, L.R., Jones, D.B., Murrie, R., Brunton, J.R., Brunger, M.J., Hoshino, M., Buckman, S.J.
Format: Article
Language:English
Subjects:
ATOMIC AND MOLECULAR PHYSICS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COLLISIONS
CROSS SECTIONS
DATA
DIFFERENTIAL EQUATIONS
DIRAC EQUATION
ELASTIC SCATTERING
ELECTRON COLLISIONS
ELECTRONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
EQUATIONS
EV RANGE
EXPERIMENTAL DATA
FERMIONS
FIELD EQUATIONS
HALOGENS
INFORMATION
IODINE
LEPTONS
MATHEMATICAL MODELS
MATRICES
NONMETALS
NUMERICAL DATA
OPTICAL MODELS
PARTIAL DIFFERENTIAL EQUATIONS
POTENTIALS
R MATRIX
RELATIVISTIC RANGE
SCATTERING
THEORETICAL DATA
WAVE EQUATIONS
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Description
Summary:We present results from a joint experimental and theoretical study of elastic electron scattering from atomic iodine. The experimental results were obtained by subtracting known cross sections from the measured data obtained with a pyrolyzed mixed beam containing a variety of atomic and molecular species. The calculations were performed using both a fully relativistic Dirac B-spline R-matrix (close-coupling) method and an optical model potential approach. Given the difficulty of the problem, the agreement between the two sets of theoretical predictions and the experimental data for the angle-differential and the angle-integrated elastic cross sections at 40 eV and 50 eV is satisfactory.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.83.042702