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Definition: Gamma distribution is a distribution that arises naturally in processes for which the waiting times between events are relevant. It can be thought of as a waiting time between Poisson distributed events. Probability density function: The waiting time until the hth Poisson event with a rate of change Î» is.
Shielding of Gamma Radiation. George E. Chabot, Jr., PhD, CHP. Introduction. In the discussion that follows, we assume that gamma rays are the radiation of interest. yields a wide and continuous distribution of photon energies. NCRP 2003, NCRP 2004), and these will not be explicitly discussed. is often referred to as the point kernel method.