photons_in_water

Simulation of a photon pencil beam and interactions in a 2D water region

Data files

Attenuation coefficients:

• Source: https://physics.nist.gov/PhysRefData/XrayMassCoef/ComTab/water.html
• attenuation_coefficients.npy is a 2D array with columns: Energy (MeV) | μ/ρ (cm²/g) | μ_en/ρ (cm²/g)

Cross sections:

• Source: https://physics.nist.gov/PhysRefData/Xcom/html/xcom1.html
• cross_sections.npy is a 2D array with columns: Energy (MeV) | Rayleigh (cm²/g) | Compton (cm²/g) | photoelectric absorption (cm²/g) | pair production in nuclear field (cm²/g) | pair production in electron field (cm²/g) | total (cm²/g)