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Dosimetric response of radiochromic films to protons of low energies in the Bragg peak region

Opened Access Dosimetric response of radiochromic films to protons of low energies in the Bragg peak region

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Autor: Quesada Molina, José Manuel
Espino Navas, José Manuel
Gallardo Fuentes, María Isabel
Cortés Giraldo, Miguel Antonio
Battaglia, Maria Cristina
Miras, H.
Lallena Rojo, Antonio Miguel
Guirado, D.
Schardt, D.
Departamento: Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Fecha: 2016-06-21
Publicado en: Physical Review Accelerators and Beams, 19 (6)
Tipo de documento: Artículo
Resumen: One of the major advantages of proton or ion beams, applied in cancer treatment, is their excellent depth-dose profile exhibiting a low dose in the entrance channel and a distinct dose maximum (Bragg peak) near the end of range in tissue. In the region of the Bragg peak, where the protons or ions are almost stopped, experimental studies with low-energy particle beams and thin biological samples may contribute valuable information on the biological effectiveness in the stopping region. Such experiments, however, require beam optimization and special dosimetry techniques for determining the absolute dose and dose homogeneity for very thin biological samples. At the National Centre of Accelerators in Seville, one of the beam lines at the 3 MV Tandem Accelerator was equipped with a scattering device, a special parallel-plate ionization chamber with very thin electrode foils and target holders for cell cultures. In this work, we present the calibration in absolute dose of EBT3 films [Gafch...
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Cita: Quesada Molina, J.M., Espino Navas, J.M., Gallardo Fuentes, M.I., Cortés Giraldo, M.A., Battaglia, M.C., Miras, H.,...,Schardt, D. (2016). Dosimetric response of radiochromic films to protons of low energies in the Bragg peak region. Physical Review Accelerators and Beams, 19 (6)
Tamaño: 677.3Kb
Formato: PDF

URI: http://hdl.handle.net/11441/63834

DOI: 10.1103/PhysRevAccelBeams.19.064701

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