Compton Scattering
A gamma ray interaction in which the gamma ray collides with an electron, transferring part of its energy to the electron while itself being scattered at a reduced energy. It occurs with high probability at intermediate gamma ray energies (between 75 keV and 10 MeV in sedimentary formations). The total reduction due to Compton scattering depends on the electron density of the material, forming the basis for the density log.
