An essential requirement for successful radiation therapy is that the discrepancies between
dose distributions calculated at the treatment planning stage and those delivered to the …

Purpose: Flattening filters (FFs) have been considered as an integral part of the treatment
head of a medical accelerator for more than 50 years. The reasons for the longstanding use …

The introduction of advanced techniques and technology in radiotherapy has greatly
improved our ability to deliver highly conformal tumor doses while minimizing the dose to …

For commissioning a linear accelerator for clinical use, medical physicists are faced with
many challenges including the need for precision, a variety of testing methods, data …

Background With radiotherapy having entered the era of image guidance, or image‐guided
radiation therapy (IGRT), imaging procedures are routinely performed for patient positioning …

BACKGROUND AND PURPOSE: The addition of gold nanoparticles (GNPs) to tumours
leads to an increase in dose due to their high density and energy absorption coefficient …

Purpose: To measure the photon and neutron out-of-treatment-field dose equivalents to
various organs from different treatment strategies (conventional vs. intensity-modulated …

The introduction into the BEAMnrc code of a new variance reduction technique, called
directional bremsstrahlung splitting (DBS), is described. DBS uses a combination of …

Purpose: To determine detector‐specific output correction factors,, in 6 MV small photon
beams for air and liquid ionization chambers, silicon diodes, and diamond detectors from …

Recent studies have proposed that light emitted by the Cherenkov effect may be used for a
number of radiation therapy dosimetry applications. There is a correlation between the …