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Home Raw Reverence Simply Wired Some Science About

Poor Little Kid's Space

Simply Wired

Look Inside Radiation Tracks

Medical Image Processing

Photon Interactions

Part I

Photon interactions with matter Not vacuum Interactions with matter Scattering vs absorption Photonuclear collisions Cross-sections I Cross-sections II Cross-sections III Cross-sections of different interaction types Cross-sections plots annotated Photoelectric absorption Pair production Different angle 3D plots rotated Min and max Attenuation coefficients Ratios of attenuation coefficients A different view Plots from a different view 2D plot Dominant interactions Hydrogen vs iridium Effects of density Linear vs mass attenuation coefficients Cross section, mass attenuation coefficient, linear attenuation coefficient, mean free path Contributing components Get a feel Would plots look different?3D plots of the 4 quantities Photonuclear cross sections Photons either disappear or re-appear Secondary electrons Radiation shower Photons on tungsten A sample history: part I A sample history: part II A sample history: part III A sample history: part IV A sample history: part V A sample history: part VI A sample history: part VII Radiation cascade

Part II

Part III

Monte Carlo Radiation Transport

FLUKA

Radiotherapy

Machine Learning

Astronomy

Cross section, mass attenuation coefficient, linear attenuation coefficient, mean free path

Linear vs mass attenuation coefficients

Contributing components

© 2005-2026 Mary PW Chin