Effect of each component of a LINAC therapy head on neutron and photon spectra
R Khabaz - Applied Radiation and Isotopes, 2018 - Elsevier
Linear accelerators (LINACs) are widely applied in radiotherapy for their versatility and
flexibility. Monte Carlo simulations were made to find the neutron and photon spectra at the
isocenter (IC) of a LINAC operating at 10, 15, 18, and 24 MV by the MCNPX code. A detailed
model of the LINAC head, consisting of flattening filter, secondary collimator, primary
collimator, and multi-leaf collimator were used in the calculations. The effect of eliminating
any of these components on contamination of a neutron spectrum and a photon spectrum …
flexibility. Monte Carlo simulations were made to find the neutron and photon spectra at the
isocenter (IC) of a LINAC operating at 10, 15, 18, and 24 MV by the MCNPX code. A detailed
model of the LINAC head, consisting of flattening filter, secondary collimator, primary
collimator, and multi-leaf collimator were used in the calculations. The effect of eliminating
any of these components on contamination of a neutron spectrum and a photon spectrum …
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