Monte Carlo modeling of small photon fields: Quantifying the impact of focal spot size on source occlusion and output factors, and exploring miniphantom design for small-field measurements

Medical Physics

Volumn 36, Issue 7, 2009, Pages 3132-3144

  Scott, Alison J D ^a,b   Nahum, Alan E ^a,b   Fenwick, John D ^a,b  

^a CLATTERBRIDGE CENTRE FOR ONCOLOGY   (United Kingdom)

^b UNIVERSITY OF LIVERPOOL   (United Kingdom)

Author keywords

Focal spot; Monte Carlo; Output factor; Small field; Source occlusion

Indexed keywords

DOSIMETRY; ELECTRON BEAMS; ELECTRONS; LINEAR ACCELERATORS; PHANTOMS; PHOTONS;

EXPERIMENTAL METHODS; FOCAL SPOT; INCIDENT ELECTRON BEAMS; MONTE CARLO CALCULATION; OUTPUT FACTORS; SMALL-FIELD; SOURCE OCCLUSION; SPOT-SIZE DEPENDENCE;

MONTE CARLO METHODS;

ARTICLE; CALCULATION; ELECTRON BEAM; INTENSITY MODULATED RADIATION THERAPY; LINEAR ACCELERATOR; MEASUREMENT; MEDICAL INSTRUMENTATION; MODEL; MONTE CARLO METHOD; PHANTOM; PHOTON; PRIORITY JOURNAL; QUANTITATIVE ANALYSIS; RADIATION DOSE;

EID: 67649625514     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.3152866     Document Type: Article

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