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Neutron and photon production from thick targets bombarded by 30-MeV p, 33-MeV d, 65-MeV /sup 3/He, and 65-MeV. cap alpha. ions: Experiment and comparison with cascade Monte Carlo calculations

Journal Article · · Phys. Rev. C; (United States)
; ; ; ;

The energy spectra of neutrons and photons emitted by thick targets of carbon, iron, copper, and lead at angles of 0, 15, 30, 45, 75, and 135 deg to the incident beam of 33-MeV deuteron, 65-MeV /sup 3/He, and 65-MeV alpha ions were obtained by unfolding the pulse height distributions measured with an NE-213 scintillator. The angular distributions of neutrons above 4 MeV and photons above 1.5 MeV were obtained by integrating the measured spectra. The total neutron yield was obtained by estimating the neutron yield below a few MeV by fitting the spectra measured above that energy to the Maxwellian distribution and showed good agreement with other experimental results. The measured spectra were analyzed by the thick-target radiation transport Monte Carlo code based on the intranuclear-cascade-evaporation model. The validity of the model was tested at the lower projectile energy limit through this comparison.

Research Organization:
Department of Nuclear Engineering, Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto, Japan
OSTI ID:
6777360
Journal Information:
Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 29:4; ISSN PRVCA
Country of Publication:
United States
Language:
English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA REACTIONS
ANGULAR DISTRIBUTION
BARYON REACTIONS
BARYONS
CARBON
CHARGED-PARTICLE REACTIONS
COMPOUND-NUCLEUS REACTIONS
COPPER
DATA
DEUTERON REACTIONS
DISTRIBUTION
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
EVAPORATION MODEL
EXPERIMENTAL DATA
FERMIONS
HADRON REACTIONS
HADRONS
HELIUM 3 REACTIONS
INFORMATION
IRON
LEAD
MASSLESS PARTICLES
MATHEMATICAL MODELS
METALS
MEV RANGE
MEV RANGE 10-100
MONTE CARLO METHOD
NEUTRON SPECTRA
NEUTRONS
NONMETALS
NUCLEAR CASCADES
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUCLEONS
NUMERICAL DATA
PARTICLE PRODUCTION
PHOTONS
PROTON REACTIONS
SPECTRA
TRANSITION ELEMENTS