The Monte Carlo (MC) method has been shown through many research studies to calculate
accurate dose distributions for clinical radiotherapy, particularly in heterogeneous patient …

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 …

A recent paper analyzed the sensitivity to various simulation parameters of the Monte Carlo
simulations of nine beams from three major manufacturers of commercial medical linear …

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

This article presents the implementation of several variance reduction techniques that
dramatically improve the simulation efficiency of ion chamber dose and perturbation factor …

Based on previous publications on a triple Gaussian analytical pencil beam model and on
Monte Carlo calculations using Monte Carlo codes GEANT-Fluka, versions 95, 98, 2002 …

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 …

The presented virtual energy fluence (VEF) model of the patient‐independent part of the
medical linear accelerator heads, consists of two Gaussian‐shaped photon sources and one …

Dose calculation plays an important role in the accuracy of radiotherapy treatment planning
and beam delivery. The Monte Carlo (MC) method is capable of achieving the highest …

The scope of this study was to estimate total scatter factors of the three smallest collimators
of the Cyberknife radiosurgery system (5–10 mm in diameter), combining experimental …