Accuracy of the EGSnrc Monte Carlo Code System
Accuracy of the EGSnrc Monte Carlo Code System
Accuracy of the EGSnrc Monte Carlo Code System
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3/47<br />
How accurately can we calculate ion<br />
chamber response? The Fano test<br />
Fano’s <strong>the</strong>orem<br />
Under conditions <strong>of</strong> charged particle equilibrium <strong>the</strong><br />
electron fluence in a medium is independent <strong>of</strong> <strong>the</strong><br />
density.<br />
Fano cavity chamber,<br />
- full build up wall<br />
- cavity ei<strong>the</strong>r: gas <strong>of</strong> wall material or wall material<br />
- perfect CPE => no attenuation or scattered photons
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