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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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The RAIN scale: A good intention that falls short
Radiation protection specialists agree that clear communication of radiation risks remains a vexing challenge that cannot be solved solely by finding new ways to convey technical information.
Earlier this year, an article in Nuclear News described a new radiation risk communication tool, known as the Radiation Index, or, RAIN (“Let it RAIN: A new approach to radiation communication,” NN, Jan. 2025, p. 36). The authors of the article created the RAIN scale to improve radiation risk communication to the general public who are not well-versed in important aspects of radiation exposures, including radiation dose quantities, units, and values; associated health consequences; and the benefits derived from radiation exposures.
M. Segev, S. Yiftah
Nuclear Science and Engineering | Volume 33 | Number 2 | August 1968 | Pages 147-150
Technical Paper | doi.org/10.13182/NSE68-A20652
Articles are hosted by Taylor and Francis Online.
Placzek proved that the collision density of neutrons coming from an energy point source and slowing down by isotropic elastic scattering in an infinite one-isotope nonabsorbing medium oscillates in a certain typical manner. It is proved in this paper that Placzek-type oscillations occur in one-isotope infinite media under the most general elastic scattering law and most general absorption law. In particular, the scattering need not be isotropic nor the absorption small or constant.
