A semiempirical method for the description of relative crossbeam dose profiles at depth from linear accelerators

A semiempirical method for the description of relative crossbeam dose profiles at depth from linear accelerators

A semiempirical method for the calculation of the relative crossbeam dose profiles at depth is described. The parameters required to set up the formulae and their dependence with field size and depth are investigated. Using the above method, measured crossbeam dose profiles at depth from two linear...

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Veröffentlicht in:Medical dosimetry : official journal of the American Association of Medical Dosimetrists 1997, Vol.22 (1), p.63-67
Hauptverfasser: Tsalafoutas, Ioannis, Xenofos, Stelios, Stamatelatos, Ion E.
Format: Artikel
Sprache:eng
Schlagworte:
Crossbeam profile
Humans
Linear accelerator
Megavoltage beam
Particle Accelerators
Radiometry
Radiotherapy
Radiotherapy Dosage
Radiotherapy Planning, Computer-Assisted
Radiotherapy, High-Energy
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Zusammenfassung:A semiempirical method for the calculation of the relative crossbeam dose profiles at depth is described. The parameters required to set up the formulae and their dependence with field size and depth are investigated. Using the above method, measured crossbeam dose profiles at depth from two linear accelerators, Philips (SL-18) and AEC (Therac-6) are reproduced. The results indicate that this method is applicable within a wide range of depths and field sizes.
ISSN:0958-3947
1873-4022
DOI:10.1016/S0958-3947(96)00153-7