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A theoretical study of spin-angular behaviors of potential scattering resonances
KTH, Skolan för teknikvetenskap (SCI), Mekanik.ORCID-id: 0000-0003-0149-341X
2014 (engelsk)Inngår i: Physica Scripta, ISSN 0031-8949, E-ISSN 1402-4896, Vol. 89, nr 8, s. 085401-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Resonance scattering of a Dirac particle (electron) in a screened Coulomb potential (of Lorentz vector type) is investigated. The so-called direct and spin-flip differential cross-sections (DCSs) for Dirac particles are analyzed by a partial-wave analysis, as well as the spin-polarization parameters, here denoted S, T and U. This model study of angular as well as energy behaviors shows that DCSs, at forward and backward angles, together with the polarization parameter. seem to be best indicators of energy and orbital angular momentum of sharp, isolated, resonances.

sted, utgiver, år, opplag, sider
2014. Vol. 89, nr 8, s. 085401-
Emneord [en]
resonance, electron spin, Dirac, differential cross-section, sharp resonance, polarization
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-155811DOI: 10.1088/0031-8949/89/8/085401ISI: 000343295000025Scopus ID: 2-s2.0-84905158396OAI: oai:DiVA.org:kth-155811DiVA, id: diva2:763033
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QC 20141113

Tilgjengelig fra: 2014-11-13 Laget: 2014-11-13 Sist oppdatert: 2017-12-05bibliografisk kontrollert

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