Illinois Institute of Technology

2/2/01


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Table of Contents

Illinois Institute of Technology

Housekeeping

Interaction of Photons with Matter

Cross-Section and Attenuation

Energy Transferred and Absorbed

Photoelectric Effect

Cross-section falls off rapidly with Energy and is Z-dependent

Compton Scattering

Compton Scattering: Equations

Compton Scattering: Results

Compton Scattering: Special Cases

Compton Cross Section: Klein-Nishina formulation

Formulae for Cross-Sections

Compton Scattering Cross Section

Energy of Compton Electrons

Distribution of Energies

Effect of Binding Energy

Pair Production

Bremsstrahlung: Radiative Energy Loss

Significance of Bremsstrahlung

Output X-ray Spectrum of a Copper Target

Energy Transfer

Compton Processes in Tissue

Interaction of Charged Particles with Matter

Interaction of e- With Heavy Charged Particle

Dose and Kerma

Neutrons: Elastic Scatter

How to average cos2q:

<cos2q>, continued

Significance in Elastic Scatter

Inelastic Scatter

Neutrons: Other Mechanisms

Author: Andrew Howard

Email: howard@iit.edu

Home Page: http://www.imca.aps.anl.gov/

Other information:
Radiation Biophysics: Third Lecture

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