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dc.contributor.author
Geser, Federico Alejandro
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dc.contributor.author
Valente, Mauro Andres
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dc.date.available
2021-11-11T15:51:04Z
dc.date.issued
2020-11
dc.identifier.citation
Geser, Federico Alejandro; Valente, Mauro Andres; Analytical proposal for the assessment of the molecular excitation levels contribution to the mean excitation energy: Application to the water molecule; Pergamon-Elsevier Science Ltd; Applied Radiation and Isotopes; 168; 11-2020; 1-15
dc.identifier.issn
0969-8043
dc.identifier.uri
http://hdl.handle.net/11336/146696
dc.description.abstract
The mean excitation energy is a fundamental quantity in radiation physics, concerning energy deposition in matter and absorbed dose analytical estimations for charged particles. The stopping of charged particles in different materials strongly depends on this parameter among others. This work intends to contribute with insights for some issues, usually treated not in detail in the theory of stopping power, as the analytic and theoretic assessment of -value for different relevant materials. A methodology is proposed and described aimed at providing the procedure for the calculation framework, based on the definition of the mean excitation energy using the dielectric response function is analytically integrable if the inelastic cross section parameters are known. Some dielectric models were studied, aimed at calculating the -value for liquid water by theoretical means, reaching the conclusion that a decay at least of the order of in frequency (energy) is needed as weak condition of the optical energy-loss function for the integrals to converge. Afterwards, the first four discrete excitation levels and the diffuse bands for water are treated in a fully analytical scheme, and further compared with numerical results, providing the contribution of these levels to , with the aim of testing the proposed analytical model.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
MEAN EXCITATION ENERGY
dc.subject
THEORETICAL ESTIMATION
dc.subject
OPTICAL ENERGY LOSS FUNCTIONS
dc.subject.classification
Física Atómica, Molecular y Química
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Analytical proposal for the assessment of the molecular excitation levels contribution to the mean excitation energy: Application to the water molecule
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-09-06T16:41:24Z
dc.journal.volume
168
dc.journal.pagination
1-15
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Geser, Federico Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; Argentina
dc.description.fil
Fil: Valente, Mauro Andres. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; Argentina
dc.journal.title
Applied Radiation and Isotopes
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S0969804320306734
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.apradiso.2020.109533
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