Angular and Energy Distributions of Electrons Produced in Arbitrary Biomaterials by Proton Impact

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Título: Angular and Energy Distributions of Electrons Produced in Arbitrary Biomaterials by Proton Impact
Autor/es: Vera Gomis, Pablo de | García Molina, Rafael | Abril, Isabel
Grupo/s de investigación o GITE: Interacción de Partículas Cargadas con la Materia
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Física Aplicada
Palabras clave: Effects of ionizing radiation on biological systems | Interactions of particles and radiation with matter | Impact phenomena | DNA
Área/s de conocimiento: Física Aplicada
Fecha de publicación: 5-ene-2015
Editor: American Physical Society
Cita bibliográfica: Physical Review Letters. 2015, 114: 018101. doi:10.1103/PhysRevLett.114.018101
Resumen: We present a simple method for obtaining reliable angular and energy distributions of electrons ejected from arbitrary condensed biomaterials by proton impact. Relying on a suitable description of the electronic excitation spectrum and a physically motivated relation between the ion and electron scattering angles, it yields cross sections in rather good agreement with experimental data in a broad range of ejection angles and energies, by only using as input the target composition and density. The versatility and simplicity of the method, which can be also extended to other charged particles, make it especially suited for obtaining ionization data for any complex biomaterial present in realistic cellular environments.
Patrocinador/es: The authors recognize the financial support from the Spanish Ministerio de Economía y Competitividad and the European Regional Development Fund (Project No. FIS2010–17225). PdV acknowledges financial support from the European Union’s FP7-People Program (Marie Curie Actions) within the Initial Training Network No. 608163 "ARGENT". Support from the European COST Action MP1002 NanoIBCT is gratefully acknowledged.
URI: http://hdl.handle.net/10045/43989
ISSN: 0031-9007 (Print) | 1079-7114 (Online)
DOI: 10.1103/PhysRevLett.114.018101
Idioma: eng
Tipo: info:eu-repo/semantics/article
Derechos: © 2015 American Physical Society
Revisión científica: si
Versión del editor: http://dx.doi.org/10.1103/PhysRevLett.114.018101
Aparece en las colecciones:INV - IPCM - Artículos de Revistas

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