Energy losses and their straggling of H/sup +/ and He/sup +/ ions of several hundred keV energy after passing through metal and polystyrene films
Journal Article
·
· Sov. Phys. - JETP (Engl. Transl.); (United States)
OSTI ID:6694450
We measured the energy losses and their straggling for H/sup +/ ions with energies from approx.120 to 480 keV and for He/sup +/ ions with energies from approx.150 to 1300 keV in thin films of Al, Cu, Ag, Au, and polystyrene (C/sub 8/H/sub 8/)/sub m/. The data obtained on the energy-loss straggling are discussed on the basis of the existing theories. It is shown that in the investigated ion-energy regions an important role (and in the case of the He ions, a dominant one) is played by additional straggling mechanisms due to fluctuations of the ion charges and to the correlations of the energy losses when the ion interacts simultaneously with several electrons of the medium. Allowance for these mechanisms improves considerably the agreement between the calculation results and the experimental data.
- Research Organization:
- Nuclear Physics Research Institute
- OSTI ID:
- 6694450
- Journal Information:
- Sov. Phys. - JETP (Engl. Transl.); (United States), Journal Name: Sov. Phys. - JETP (Engl. Transl.); (United States) Vol. 51:5; ISSN SPHJA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
654001* -- Radiation & Shielding Physics-- Radiation Physics
Shielding Calculations & Experiments
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALUMINIUM
CATIONS
CHARGED PARTICLES
CHARGED-PARTICLE TRANSPORT
COPPER
CORRELATIONS
DATA
ELEMENTS
ENERGY LOSSES
ENERGY RANGE
EXPERIMENTAL DATA
FILMS
GOLD
HELIUM IONS
HYDROGEN IONS
HYDROGEN IONS 1 PLUS
INFORMATION
IONS
KEV RANGE
KEV RANGE 100-1000
LOSSES
METALS
MEV RANGE
MEV RANGE 01-10
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYMERS
POLYOLEFINS
POLYSTYRENE
POLYVINYLS
RADIATION TRANSPORT
SILVER
TRANSITION ELEMENTS
Shielding Calculations & Experiments
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALUMINIUM
CATIONS
CHARGED PARTICLES
CHARGED-PARTICLE TRANSPORT
COPPER
CORRELATIONS
DATA
ELEMENTS
ENERGY LOSSES
ENERGY RANGE
EXPERIMENTAL DATA
FILMS
GOLD
HELIUM IONS
HYDROGEN IONS
HYDROGEN IONS 1 PLUS
INFORMATION
IONS
KEV RANGE
KEV RANGE 100-1000
LOSSES
METALS
MEV RANGE
MEV RANGE 01-10
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYMERS
POLYOLEFINS
POLYSTYRENE
POLYVINYLS
RADIATION TRANSPORT
SILVER
TRANSITION ELEMENTS