RT Journal Article
T1 Numerical modeling of air-vented parallel plate ionization chambers for ultra-high dose rate applications
A1 Paz Martín, José
A1 Schüller, Andreas
A1 Bourgouin, Alexandra
A1 González Castaño, Diego Miguel
A1 Gómez Fernández, Nicolás
A1 Pardo Montero, Juan
A1 Gómez Rodríguez, Faustino
K1 Dosimetry
K1 Parallel plate ionization chamber
K1 Ultra high dose rate
K1 FLASH radiotherapy
K1 Recombination correction factor
AB Purpose: air-vented ionization chambers have been the secondary standard for radiation dosimetry since the origins of radiation metrology. However, the feasibility of their use in ultra-high dose rate pulsed beams has been a matter of discussion, as large losses are caused by ion recombinations and no suitable theoretical model is available for their correction. The theories developed by Boag and his contemporaries since the 1950s, which have provided the standard ion recombination correction factor in clinical dosimetry, do not provide an accurate description when used under the limit conditions of ultra-high dose rates (UHDRs). Moreover, the high-ion recombination effects of ionization chambers under extreme dose-rate applications are an obstacle to the development of adequate dosimetry standards
PB Elsevier
YR 2022
FD 2022
LK http://hdl.handle.net/10347/29381
UL http://hdl.handle.net/10347/29381
LA eng
NO Physica Medica 103 (2022) 147-156
NO This work has received funding from the EMPIR programme project 18HLT04 UHDpulse co-financed by the Participating States and from the European Union’s Horizon 2020 research and innovation programme
DS Minerva
RD 24 abr 2026