Small‐field dosimetry used in advance treatment technologies poses challenges due to loss
of lateral charged particle equilibrium (LCPE), occlusion of the primary photon source, and …

An addendum to the AAPMˈs TG‐51 protocol for the determination of absorbed dose to
water in megavoltage photon beams is presented. This addendum continues the procedure …

Monte Carlo (MC) simulations play an important role in radiotherapy, especially as a method
to evaluate physical properties that are either impossible or difficult to measure. For …

Purpose: The scope of this study was to determine a complete set of correction factors for
several detectors in static small photon fields for two linear accelerators (linacs) and for …

Monte Carlo (MC) simulation of dose to water and dose to detector has been used to
calculate the correction factors needed for dose calibration and output factor measurements …

Purpose: To use EGSnrc Monte Carlo simulations to directly calculate beam quality
conversion factors,, for 32 cylindrical ionization chambers over a range of beam qualities …

The International Commission on Radiation Units and Measurements - Hans-Georg Menzel,
2012 Skip to main content Scheduled maintenance on Monday, November 20th, with …

The IAEA is currently coordinating a multi-year project to update the TRS-398 Code of
Practice for the dosimetry of external beam radiotherapy based on standards of absorbed …

Purpose: To quantify detector perturbation effects in megavoltage small photon fields and
support the theoretical explanation on the nature of quality correction factors in these …

Precise and reliable monitoring of the particle rate is of great importance at accelerator
facilities worldwide. In this article we describe the standard beam monitor calibration …