Differential and integral cross sections for elastic electron scattering from CF₂

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J. R. Francis-Staite, T. M. Maddern, and M. J. Brunger
ARC Centre for Antimatter-Matter Studies, SoCPES, Flinders University, GPO Box 2100, Adelaide 5001, Australia

S. J. Buckman
ARC Centre for Antimatter-Matter Studies, RSPhysSE, Australian National University, Canberra 0200, Australia

C. Winstead and V. McKoy
A. A. Noyes Laboratory of Chemical Physics, California Institute of Technology, Pasadena, California 91125, USA

M. A. Bolorizadeh
Department of Physics, Kerman University of Technology for Graduate Studies, Mahan, Iran

H. Cho
Department of Physics, Chungnam National University, Daejeon, Republic of Korea

Received 2 April 2009; published 18 May 2009

Wereport the results of measurements and calculations of differential andintegral cross sections for elastic electron scattering from the CF₂molecular radical. The energy range of the present investigation was2–20 eV, while the angular distributions were measured at specificangles within the scattered electron range 20°–135°. The calculations employedthe Schwinger multichannel method and were carried out both inthe static-exchange and static-exchange plus polarization (SEP) approximations, with generallyquite good agreement found between the data and the SEPlevel results. This was particularly true at lower energies, illustratingthe importance of correctly accounting for the polarization in thesecollisions.

URL:	http://link.aps.org/doi/10.1103/PhysRevA.79.052705
DOI:	10.1103/PhysRevA.79.052705
PACS:	34.80.Bm 34.80.Bm Elastic scattering of electrons/positrons by atoms and molecules YEAR: 2009
KEYWORDS:	carbon compounds, molecule-electron collisions

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