Analytical Dose Evaluation of Neutron and Secondary Gamma-Ray Skyshine from Nuclear Facilities

Katsumi Hayashi; Takashi Nakamura

doi:dx.doi.org/10.13182/NSE85-A17309

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Home / Publications / Journals / Nuclear Science and Engineering / Volume 91 / Number 3

Analytical Dose Evaluation of Neutron and Secondary Gamma-Ray Skyshine from Nuclear Facilities

Katsumi Hayashi, Takashi Nakamura

Nuclear Science and Engineering / Volume 91 / Number 3 / November 1985 / Pages 332-348

Technical paper / dx.doi.org/10.13182/NSE85-A17309

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The skyshine dose distributions of neutron and secondary gamma rays were calculated systematically using the Monte Carlo method for distances up to 2 km from the source. The energy of source neutrons ranged from thermal to 400 MeV; their emission angle from 0 to 90 deg from the vertical was treated with a distribution of the direction cosine containing five equal intervals.