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dc.creatorDavidović, Dragomir M.
dc.creatorVukanić, Jovan V.
dc.creatorArsenović, Dušan
dc.date.accessioned2018-03-01T19:18:35Z
dc.date.available2018-03-01T19:18:35Z
dc.date.issued2003
dc.identifier.issn0031-9155
dc.identifier.urihttps://vinar.vin.bg.ac.rs/handle/123456789/2659
dc.description.abstractThe reflection of x-rays from a half space is studied within the framework of a model that assumes multiple isotropic scattering of photons without energy loss. An exactly solvable analytical expression for the angular distribution of reflected photons is derived. The range of validity of the model was determined by the Monte Carlo simulation thereby incorporating energy loss and angular dependences. For water as a scatterer, in the energy range from 10 to 60 keV, which is often used in x-ray diagnostics, the two approaches differ by at most 5%. The analytic results, confirmed by the Monte Carlo simulation, show that the angular distribution of reflected photons for energies greater than 30 keV-where multiple scattering events dominate-may be represented by a cosine law, within a few per cent of accuracy.en
dc.rightsrestrictedAccessen
dc.sourcePhysics in Medicine and Biologyen
dc.titleSimplified model of low energy x-ray backscatteringen
dc.typearticleen
dcterms.abstractДавидовиц, ДМ; Вуканиц, Ј; Aрсеновиц, Д;
dc.citation.volume48
dc.citation.issue15
dc.citation.spageN213
dc.citation.epageN221
dc.identifier.wos000185097400022
dc.identifier.doi10.1088/0031-9155/48/15/402
dc.citation.otherArticle Number: PII S0031-9155(03)60209-5
dc.citation.rankM21
dc.identifier.pmid12953917
dc.identifier.scopus2-s2.0-0042475724


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