Interaction with tissue
3 important questions on Interaction with tissue
What does is mean that attenuation a stochastic process is?
Each photon has a certain chance of transmission
What are the photo-electric absorption and the compton scattering?
- Photoelectric effect => ejection electron inner shell (phonon is absorbed) => release of energy because of another electron will fill the hole => the release of energy scattering but coherent.
- Compton scattering => ejection of electron in the outer shell => less energy release, the photon still has energy => travels further through the patient as a compton electorn=> the scattering is incoherent.
Photoelectric effects resembles ...? Is this important in tissue?
Characteristic radiation => negligible in tissue
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