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Stopping powers of solids for low-energy protons

Conference ·
OSTI ID:6565959
;
Electron gas models are useful approximations for describing the valence electron response of a solid to the passage of a charged particle. A simple free-electron gas model was used by Fermi and Teller to estimate the time required for a mesotron to be stopped in various solids. More recent work has employed the Lindhard dielectric response function, or approximations thereto, for calculations of the valence electron contributions to energy loss per unit pathlength for protons. Such calculations have generally shown rather poor agreement with experimental data for low-energy protons (velocity small compared to the Fermi velocity, v<
Research Organization:
Oak Ridge National Lab., TN (USA)
DOE Contract Number:
AC05-84OR21400
OSTI ID:
6565959
Report Number(s):
CONF-8404190-1; ON: DE85001123
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
BARYONS
CHARGED-PARTICLE TRANSPORT
ELECTRON GAS
ELEMENTARY PARTICLES
ENERGY LOSSES
ENERGY TRANSFER
FERMIONS
HADRONS
LET
LOSSES
NUCLEONS
PROTONS
RADIATION TRANSPORT
SOLIDS
STOPPING POWER