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Comparison of theoretical models for the electronic stopping power of low-velocity heavy ions. [100-keV /sup 7/Li/sup +/ on Z = 6 to 34 targets and 800-keV /sup 14/N/sup +/ on Z /sup +/ 6 to 52 targets]

Journal Article · · Phys. Rev., A; (United States)
; ; ;
Calculations of the electronic stopping power for low-velocity (v < Z/sup 2///sup 3//sub 1/v/sub 0/, v/sub 0/=e/sup 2//h) heavy ions, based upon three models, are performed for two systems for which experimental data are available: 800-keV /sup 14/N/sup +/ ions incident on amorphous solid targets from carbon to tellurium and 100-keV /sup 7/Li/sup +/ ions incident on amorphous targets from carbon to selenium. The results of the models are compared with each other and with the experimental data. The models are found to offer qualitatively better fits to the oscillatory experimental data than the smooth curves of the Lindhard-Scharff theory, with a particular modification of the Firsov theory favored for predictive calculations. All the models, as implemented here, require a parameter to be determined by fitting the calculated curves to the experimental points.
Research Organization:
Naval Surface Weapons Center, White Oak, Silver Spring, Maryland 20910
OSTI ID:
7097078
Journal Information:
Phys. Rev., A; (United States), Journal Name: Phys. Rev., A; (United States) Vol. 16:2; ISSN PLRAA
Country of Publication:
United States
Language:
English

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Related Subjects

654001* -- Radiation &amp; Shielding Physics-- Radiation Physics
Shielding Calculations &amp; Experiments
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALI METAL ISOTOPES
AMORPHOUS STATE
ATOMIC IONS
ATOMIC NUMBER
CHARGED PARTICLES
CHARGED-PARTICLE TRANSPORT
ENERGY LOSSES
ENERGY RANGE
HEAVY IONS
IONS
ISOTOPES
KEV RANGE
KEV RANGE 100-1000
LIGHT NUCLEI
LITHIUM 7
LITHIUM IONS
LITHIUM ISOTOPES
NITROGEN 14
NITROGEN IONS
NITROGEN ISOTOPES
NUCLEI
ODD-EVEN NUCLEI
ODD-ODD NUCLEI
RADIATION TRANSPORT
RANGE
STABLE ISOTOPES
STOPPING POWER