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dc.contributor.authorZatsarinny, Oleg
dc.contributor.authorBartschat, Klaus
dc.contributor.authorBandurina, Ludmila
dc.contributor.authorGedeon, Viktor
dc.date.accessioned2006-06-07T14:30:13Z
dc.date.available2006-06-07T14:30:13Z
dc.date.issued2006-06-07T14:30:13Z
dc.identifier.urihttp://hdl.handle.net/2092/383
dc.description.abstractThe B-spline R-matrix method was used to study electron-impact excitation of carbon from threshold to 60 eV. A multi-configuration Hartree-Fock method with non-orthogonal orbitals generated a very accurate target description. The close-coupling expansion included the bound and autoionizing states of neutral carbon derived from the (1s2)(2s2)(2p2),(1s2)(2s2)(2p)(3s),(1s2)(2s2)(2p3p),(1s2)(2s2)(2p3p),(1s2)(2s2)(2p4s),(1s2)(2s2p3), and (1s3)(2p4) configurations, plus pseudo-states to fully account for the polarizability of the ground state. Our predictions for the cross sections show significant discrepancies with those from previous calculations carried out with the standard R-matrix approach in a similar scattering model. These discrepancies are mostly due to the different target descriptions. The cross sections for excitation from the ground state (2p2)3p and the metastable (2p2)1d and (2p2)1s states also exhibit prominent resonance structures in the low-energy region. Classifications for these resonances will be presented.en
dc.description.sponsorshipDrake University, College of Arts and Sciences, Department of Physics and Astronomy.en
dc.format.extent741125 bytes
dc.format.extent739083 bytes
dc.format.extent741125 bytes
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dc.language.isoen_US
dc.relation.ispartofseriesDUCURS 2005;14
dc.subjectElectronic excitation.en
dc.subjectElectron impact ionization.en
dc.subjectIonization of gases.en
dc.title"Electron-impact excitation of carbon"en
dc.typePresentationen


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  • DUCURS [196]
    Poster sessions and presentation from the Drake University Conference on Undergraduate Research in the Sciences held each April at Olmsted Center on the Drake campus.

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