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dc.contributor.author
Tessaro, Veronica Belen
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dc.contributor.author
Gervais, Benoit
dc.contributor.author
Poignant, Floriane
dc.contributor.author
Beuve, Michael
dc.contributor.author
Galassi, Mariel Elisa
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dc.date.available
2023-01-27T18:20:16Z
dc.date.issued
2021-08
dc.identifier.citation
Tessaro, Veronica Belen; Gervais, Benoit; Poignant, Floriane; Beuve, Michael; Galassi, Mariel Elisa; Monte Carlo transport of swift protons and light ions in water: The influence of excitation cross sections, relativistic effects, and Auger electron emission in w-values; Elsevier; Physica Medica; 88; 8-2021; 71-85
dc.identifier.issn
1120-1797
dc.identifier.uri
http://hdl.handle.net/11336/185997
dc.description.abstract
Purpose: To develop a particle transport code to compute w-values and stopping power of swift ions in liquid water and gases of interest for reference dosimetry in hadrontherapy. To analyze the relevance of inelastic and post-collisional processes considered. Methods: The Monte Carlo code MDM was extended to the case of swift ion impact on liquid water (MDM-Ion). Relativistic corrections in the inelastic cross sections and the post-collisional Auger emission were considered. The effects of introducing different electronic excitation cross sections were also studied. Results: The stopping power of swift ions on liquid water, calculated with MDM-Ion, are in excellent agreement with recommended data. The w-values show a strong dependence on the electronic excitation cross sections and on the Auger electron emission. Comparisons with other Monte Carlo codes show the relevance of both the processes considered and of the cross sections employed. W and w-values for swift electron, proton, and carbon ions calculated with the MDM and MDM-Ion codes are in very close agreement with each other and with the 20.8 eV experimental value. Conclusion: We found that w-values in liquid water are independent of ion charge and energy, as assumed in reference dosimetry for hadrontherapy from sparse experimental results for electron and ion impact on gases. Excitation cross sections and Auger emission included in Monte Carlo codes are critical in w-values calculations. The computation of this physical parameter should be used as a benchmark for micro-dosimetry investigations, to assess the reliability of the cross sections employed.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
AUGER EMISSION
dc.subject
DOSIMETRY
dc.subject
IONS
dc.subject
STOPPING POWER
dc.subject
W-VALUES
dc.subject.classification
Otras Ciencias Físicas
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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
Monte Carlo transport of swift protons and light ions in water: The influence of excitation cross sections, relativistic effects, and Auger electron emission in w-values
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-09-21T14:25:22Z
dc.journal.volume
88
dc.journal.pagination
71-85
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Ámsterdam
dc.description.fil
Fil: Tessaro, Veronica Belen. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Física de Rosario. Universidad Nacional de Rosario. Instituto de Física de Rosario; Argentina. Universidad Nacional de Rosario. Facultad de Ciencias Exactas, Ingeniería y Agrimensura; Argentina. Universite Claude Bernard Lyon 1. Institut de Physique Nucléaire de Lyon.; Francia
dc.description.fil
Fil: Gervais, Benoit. Centre de Recherche sur les Ions, les Matériaux et la Photonique; Francia
dc.description.fil
Fil: Poignant, Floriane. Universite Claude Bernard Lyon 1. Institut de Physique Nucléaire de Lyon.; Francia
dc.description.fil
Fil: Beuve, Michael. Universite Claude Bernard Lyon 1. Institut de Physique Nucléaire de Lyon.; Francia
dc.description.fil
Fil: Galassi, Mariel Elisa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Física de Rosario. Universidad Nacional de Rosario. Instituto de Física de Rosario; Argentina. Universidad Nacional de Rosario. Facultad de Ciencias Exactas, Ingeniería y Agrimensura; Argentina
dc.journal.title
Physica Medica
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S112017972100226X
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.ejmp.2021.06.006
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