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H.M. Gerstenberg, J.W. Hansen, J.J. Coyne, J. Zoetelief, Calculations of the Relative Effectiveness of Alanine for Neutrons with Energies up to 17.1 MeV, Radiation Protection Dosimetry, Volume 31, Issue 1-4, 1 June 1990, Pages 85–89, https://doi.org/10.1093/rpd/31.1-4.85
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Abstract
The relative effectiveness (RE) of alanine has been calculated for neutrons using the RE of alanine for charged particles. The neutrons interact with one or more of the elements (hydrogen, carbon, nitrogen and oxygen) that compose the alanine. These interactions produce spectra of secondary charged particles consisting of ions of H, D, He, Be, B, C, N, and O. From a combination of the calculated secondary charged particle spectra generated by the slowing down neutrons, and the calculated RE of the ions produced, a RE for the neutrons can be obtained. In addition, lineal energy spectra were determined for neutrons with energies up to 17.1 MeV interacting with alanine. An analytical code was used to calculate these spectra for a 1 µm diameter alanine cell surrounded by an alanine medium. For comparison, similar calculations were made for muscle tissue. Finally, the calculated differential RE was folded with dose distributions to obtain RE-weighted distributions for alanine.