Dosimetric evaluation of irradiation geometry and potential air gaps in an acrylic miniphantom used for external audit of absolute dose calibration for a hybrid 1.5 T MR‐linac system

Introduction To investigate the impact of partial lateral scatter (LS), backscatter (BS) and presence of air gaps on optically stimulated luminescence dosimeter (OSLD) measurements in an acrylic miniphantom used for dosimetry audit on the 1.5 T magnetic resonance‐linear accelerator (MR‐linac) system...

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Veröffentlicht in:	Journal of applied clinical medical physics 2022-02, Vol.23 (2), p.e13503-n/a
Hauptverfasser:	Tyagi, Neelam, Subashi, Ergys, Michael Lovelock, Dale, Kry, Stephen, Alvarez, Paola Elisa, Hunt, Margie A, Lim, Seng Boh
Format:	Artikel
Sprache:	eng
Schlagworte:	1.5 T magnetic field Calibration Dosimetry electron return effect (ERE) Geometry Humans IROC Laboratories Magnetic fields Monte Carlo Method MR‐guided radiation therapy OSL Particle Accelerators Phantoms, Imaging Radiation Radiation Oncology Physics Radiometry
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