The Study of Dosimetric Characteristics of the XHA600D Medical Linear Accelerator Based on a Monte Carlo Code

Table 1

The main EGSnrc transport parameters used in this study.

EGSnrc transport parameters	Value
Maximum step size (SMAX)	5 cm
Maximum fractional energy loss/step (ESTEPE)	0.25
Maximum first elastic scattering moment per step (XIMAX)	0.5
Boundary crossing algorithm	EXACT
Electron-step algorithm	PRESTA-II
Brems angular sampling	KM
Brems cross sections	BH
Bound compton scattering	Norej
Compton cross sections	Default
Pair angular sampling	Simple
Pair cross sections	BH