Open AccessMcSKY: A hybrid Monte-Carlo lime-beam code for shielded gamma skyshine calculations
Author(s) -
J. Kenneth Shultis,
Richard E. Faw,
Mark H. Stedry,
W. Scott Hall
Publication year - 1994
Language(s) - English
Resource type - Reports
DOI - 10.2172/101043
Subject(s) - shielded cable , monte carlo method , electromagnetic shielding , point source , physics , collimated light , shields , shield , detector , photon , optics , line source , gamma ray , beam (structure) , nuclear physics , computational physics , engineering , electrical engineering , geology , mathematics , petrology , laser , statistics , quantum mechanics
McSKY evaluates skyshine dose from an isotropic, monoenergetic, point photon source collimated into either a vertical cone or a vertical structure with an N-sided polygon cross section. The code assumes an overhead shield of two materials, through the user can specify zero shield thickness for an unshielded calculation. The code uses a Monte-Carlo algorithm to evaluate transport through source shields and the integral line source to describe photon transport through the atmosphere. The source energy must be between 0.02 and 100 MeV. For heavily shielded sources with energies above 20 MeV, McSKY results must be used cautiously, especially at detector locations near the source
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