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Skyshine line-beam response functions for 20- to 100-MeV photons

Journal Article · · Nuclear Science and Engineering
OSTI ID:264345
; ;  [1]
  1. Kansas State Univ., Manhattan, KS (United States). Dept. of Nuclear Engineering
The line-beam response function, needed for skyshine analyses based on the integral line-beam method, was evaluated with the MCNP Monte Carlo code for photon energies from 20 to 100 MeV and for source-to-detector distances out to 1,000 m. These results are compared with point-kernel results, and the effects of bremsstrahlung and positron transport in the air are found to be important in this energy range. The three-parameter empirical formula used in the integral line-beam skyshine method was fit to the MCNP results, and values of these parameters are reported for various source energies and angles.
OSTI ID:
264345
Journal Information:
Nuclear Science and Engineering, Journal Name: Nuclear Science and Engineering Journal Issue: 2 Vol. 123; ISSN NSENAO; ISSN 0029-5639
Country of Publication:
United States
Language:
English

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