23. Measuring Attenuation
Published on: 20/07/2026
How photon attenuation affects beam intensity and dose in therapy.
attenuationintensitylinear attenuation coefficientradiationdose
Radiation Therapy Physics
Concepts Review Blog
Sara Lorraine Gill, MSRS, CMD
Medical Dosimetrist and Educator
21. Pair Production
Published on: 18/07/2026
How high-energy photons create matter through pair production.
pair productionhigh energyphotonspositronelectronradiation
18. Transmission & Attenuation
Published on: 06/07/2026
Radiation can transmit, scatter, or absorb as it passes through matter. Learn how attenuation works — and why it's essential to understanding dose delivery in radiation therapy.
radiationelectromagnetic radiationattenuationtransmissionscatter radiationradiation absorption
17. Ionization & Excitation
Published on: 06/07/2026
Excitation vs. ionization: two ways radiation interacts with atoms. Learn how each process works and why ionization is the key to understanding how radiation deposits dose in tissue.
electronradiationelectromagnetic radiationionizationexcitationattenuationbremsstrahlung
Come say hello on social!
© Copyright 2026 RTPhysics | - Privacy Policy - Terms & Conditions