IMPORTANCE SAMPLING IN MONTE CARLO SHIELDING CALCULATIONS. I. NEUTRON PENETRATION THROUGH THICK HYDROGEN SLABS
Journal Article
·
· Nuclear Science and Engineering (U.S.)
OSTI ID:4686586
It is proposed that importance sampling may be carried out using an approximate analytic form for the importance function. An altered Boltzmann kernel may then be computed. Choosing from this altered kernel is faciiitated, in part, by particle splitting. The method is carried out in detail for neutron penetration in hydrogen slabs. Results are given for dose buildup and energy spectrum for siab depths up to 179 mean free paths for 8.1 Mev neutrons. (auth)
- Research Organization:
- United Nuclear Corp., White Plains, N.Y.
- NSA Number:
- NSA-17-028411
- OSTI ID:
- 4686586
- Journal Information:
- Nuclear Science and Engineering (U.S.), Journal Name: Nuclear Science and Engineering (U.S.) Vol. Vol: 16; ISSN NSENA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
ABSORPTION
BUILDUP
CROSS SECTIONS
DECAY
ELECTROMAGNETIC WAVES
ELECTRONS
ENERGY
ENERGY RANGE
HYDROGEN
INFRARED RADIATION
LOSSES
MATHEMATICS
MEAN FREE PATH
MONTE CARLO METHOD
MUONS
NEUTRINOS
NEUTRONS
NUMERICALS
PERTURBATION THEORY
PHOTONS
PHYSICS
PIONS
PLATES
QUANTUM MECHANICS
RADIATION DOSES
RADIATIONS
SAMPLING
SENSITIVITY
SHIELDING
SPECTRA
TRANSIENTS
BUILDUP
CROSS SECTIONS
DECAY
ELECTROMAGNETIC WAVES
ELECTRONS
ENERGY
ENERGY RANGE
HYDROGEN
INFRARED RADIATION
LOSSES
MATHEMATICS
MEAN FREE PATH
MONTE CARLO METHOD
MUONS
NEUTRINOS
NEUTRONS
NUMERICALS
PERTURBATION THEORY
PHOTONS
PHYSICS
PIONS
PLATES
QUANTUM MECHANICS
RADIATION DOSES
RADIATIONS
SAMPLING
SENSITIVITY
SHIELDING
SPECTRA
TRANSIENTS