Published January 1, 2013
| Version v1
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Experimental and theoretical investigation of (e, 2e) ionization of Ar(3p) in asymmetric kinematics at 200 eV
Creators
- 1. Afyon Kocatepe Univ, Sci & Arts Fac, Dept Phys, Ecol Lab, TR-03200 Afyon, Turkey
- 2. Drake Univ, Dept Phys & Astron, Des Moines, IA 50311 USA
- 3. Newcastle Univ, Sch Chem, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
Description
Experimental and theoretical studies of electron impact ionization of the 3p orbital of argon are reported. The relative triple-differential cross sections were measured in the coplanar asymmetric geometry. The experimental data at an incident electron energy of 200 eV, ejected electron energies of 15 and 20 eV, and scattering angles of -10 degrees, -15 degrees, and -20 degrees were obtained using a conventional crossed-beam (e, 2e) spectrometer. The experimental data are compared with predictions from first- and second-order hybrid distorted-wave plus R-matrix models, as well as a fully nonperturbative B-spline R-matrix approach.
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