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Field correction factors for a PTW-31016 pinpoint ionization chamber for both flattened and unflattened beams. Study of the main sources of uncertainties

Autor
Puxeu, J.; Duch, M.; Nailon, W.; Cruz, M.; Ginjaume, M.
Tipus d'activitat
Article en revista
Revista
Medical physics
Data de publicació
2017-05-01
Volum
44
Número
5
Pàgina inicial
1930
Pàgina final
1938
DOI
https://doi.org/10.1002/mp.12189 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/105892 Obrir en finestra nova
URL
http://onlinelibrary.wiley.com/doi/10.1002/mp.12189/abstract Obrir en finestra nova
Resum
Purpose The primary aim of this study was to determine correction factors, math formula for a PTW-31016 ionization chamber on field sizes from 0.5 cm × 0.5 cm to 2 cm × 2 cm for both flattened (FF) and flattened filter-free (FFF) beams produced in a TrueBeam clinical accelerator. The secondary objective was the determination of field output factors, math formula over this range of field sizes using both Monte Carlo (MC) simulation and measurements. Methods math formula for the PTW-31016 cham...
Citació
Puxeu, J., Duch, M., Nailon, W., Cruz, M., Ginjaume, M. Field correction factors for a PTW-31016 pinpoint ionization chamber for both flattened and unflattened beams. Study of the main sources of uncertainties. "Medical physics", 1 Maig 2017, vol. 44, núm. 5, p. 1930-1938.
Paraules clau
Correction factors, Flattening filter-free, Monte Carlo, Output factors, Setup inaccuracies, Small fields
Grup de recerca
CREB - Centre de Recerca en Enginyeria Biomedica
DRM - Dosimetria i Radiofísica Mèdica

Participants