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Reconstruction of the X-ray tube spectrum from a scattering measurement

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Reconstruction of the X-ray tube spectrum from a scattering measurement

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dc.contributor.author Fernandez, Jorge E. es_ES
dc.contributor.author Scot, Viviana es_ES
dc.contributor.author Bare, Jonathan es_ES
dc.contributor.author Tondeur, François es_ES
dc.contributor.author Gallardo Bermell, Sergio es_ES
dc.contributor.author Ródenas Diago, José es_ES
dc.contributor.author Luca Rossi, Pier es_ES
dc.date.accessioned 2015-06-29T07:18:01Z
dc.date.available 2015-06-29T07:18:01Z
dc.date.issued 2012-07
dc.identifier.issn 0969-8043
dc.identifier.uri http://hdl.handle.net/10251/52399
dc.description.abstract An inverse technique has been designed to unfold the x-ray tube spectrum from the measurement of the photons scattered by a target interposed in the path of the beam. A special strategy is necessary to circumvent the ill-conditioning of the forward transport algebraic problem. The proposed method is based on the calculation of both, the forward and adjoint analytical solutions of the Boltzmann transport equation. After testing the method with numerical simulations, a simple prototype built at the Operational Unit of Health Physics of the University of Bologna was used to test the method experimentally. The reconstructed spectrum was validated by comparison with a straightforward measurement of the X-ray beam. The influence of the detector was corrected in both cases using standard unfolding techniques. The method is capable to accurately characterize the intensity distribution of an X-ray tube spectrum, even at low energies where other methods fail. es_ES
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof Applied Radiation and Isotopes es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Adjoint transport es_ES
dc.subject Boltzmann equation es_ES
dc.subject Compton scattering es_ES
dc.subject Rayleigh scattering es_ES
dc.subject X-ray spectrum es_ES
dc.subject Adjoints es_ES
dc.subject Boltzmann transport equation es_ES
dc.subject Ill-conditioning es_ES
dc.subject Intensity distribution es_ES
dc.subject Inverse techniques es_ES
dc.subject Low energies es_ES
dc.subject Operational units es_ES
dc.subject Scattering measurements es_ES
dc.subject Unfolding techniques es_ES
dc.subject X ray beam es_ES
dc.subject X ray spectrum es_ES
dc.subject X-ray tube spectrum es_ES
dc.subject X ray tubes es_ES
dc.subject Accuracy es_ES
dc.subject Analytic method es_ES
dc.subject Article es_ES
dc.subject Artifact reduction es_ES
dc.subject Calculation es_ES
dc.subject Experimentation es_ES
dc.subject Intermethod comparison es_ES
dc.subject Light scattering es_ES
dc.subject Low energy radiation es_ES
dc.subject Mathematical model es_ES
dc.subject Mathematical parameters es_ES
dc.subject Priority journal es_ES
dc.subject Process optimization es_ES
dc.subject Quality control procedures es_ES
dc.subject Radiation beam es_ES
dc.subject Radiation detector es_ES
dc.subject Radiation dose distribution es_ES
dc.subject Radiation measurement es_ES
dc.subject Validation process es_ES
dc.subject X ray spectrometry es_ES
dc.subject X ray tube es_ES
dc.subject.classification INGENIERIA NUCLEAR es_ES
dc.title Reconstruction of the X-ray tube spectrum from a scattering measurement es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.apradiso.2011.11.035
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Química y Nuclear - Departament d'Enginyeria Química i Nuclear es_ES
dc.description.bibliographicCitation Fernandez, JE.; Scot, V.; Bare, J.; Tondeur, F.; Gallardo Bermell, S.; Ródenas Diago, J.; Luca Rossi, P. (2012). Reconstruction of the X-ray tube spectrum from a scattering measurement. Applied Radiation and Isotopes. 70(7):1238-1242. doi:10.1016/j.apradiso.2011.11.035 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1016/j.apradiso.2011.11.035 es_ES
dc.description.upvformatpinicio 1238 es_ES
dc.description.upvformatpfin 1242 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 70 es_ES
dc.description.issue 7 es_ES
dc.relation.senia 231497
dc.identifier.pmid 22154104 es_ES


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