In this article we formulate the problem of modeling the distribution of gamma noise in detectors. We exactly solve for the gamma noise distribution in the important special case of an exponential pulse height distribution. More generally, we also present and prove the relationship between the moments of the gamma noise distribution and the underlying pulse height distribution. A simple method is presented for computing the unknown parameters of the pulse height distribution given gamma noise data at varying event rates.
Joseph H. Nonnast,
"Statistical models of gamma noise in infrared detectors", Proc. SPIE 4823, Photonics for Space Environments VIII, (11 November 2002); doi: 10.1117/12.454653; https://doi.org/10.1117/12.454653