Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/9528
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dc.contributor.authorSalvat Gavaldà, Francesccat
dc.date.accessioned2009-10-06T08:38:29Z-
dc.date.available2009-10-06T08:38:29Z-
dc.date.issued1991cat
dc.identifier.issn1050-2947cat
dc.identifier.urihttp://hdl.handle.net/2445/9528-
dc.description.abstractElastic scattering of relativistic electrons and positrons by atoms is considered in the framework of the static field approximation. The scattering field is expressed as a sum of Yukawa terms to allow the use of various approximations. Accurate phase shifts have been computed by combining Bühring¿s power-series method with the WKB and Born approximations. This combined procedure allows the evaluation of differential cross sections for kinetic energies up to several tens of MeV. Numerical results are used to analyze the validity of several approximate methods, namely the first- and second-order Born approximations and the screened Mott formula, which are frequently adopted as the basis of multiple scattering theories and Monte Carlo simulations of electron and positron transport.eng
dc.format.extent4 p.cat
dc.format.mimetypeapplication/pdfeng
dc.language.isoengeng
dc.publisherThe American Physical Societycat
dc.relation.isformatofReproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevA.43.578cat
dc.relation.ispartofPhysical Review A, 1991, vol. 43, núm. 1, p. 578-581.cat
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevA.43.578-
dc.rights(c) The American Physical Society, 1991cat
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)-
dc.subject.classificationDispersió (Física nuclear)cat
dc.subject.classificationElectronscat
dc.subject.classificationDifusiócat
dc.subject.otherElastic scatteringeng
dc.titleElastic scattering of fast electrons and positrons by atomseng
dc.typeinfo:eu-repo/semantics/articleeng
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.identifier.idgrec62112cat
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess-
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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