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Low-energy proton stopping power of N2, O2 and water vapor and deviations from Bragg's rule

Technical Report ·
OSTI ID:6792624
; ;

A modified local plasma model, based on the works of Lindhard and Winther and Bethe, Brown, and Walske, is established. The Gordon-Kim model for molecular electron density is used to calculate stopping power of N2, O2, and water vapor for protons of energy ranging from 40 keV to 2.5 MeV, resulting in good agreement with experimental data. Deviations from Bragg's rule are evaluated and are discussed under the present theoretical model.

Research Organization:
National Aeronautics and Space Administration, Hampton, VA (USA). Langley Research Center
OSTI ID:
6792624
Report Number(s):
N-84-16956
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
BARYONS
CHARGED-PARTICLE TRANSPORT
CHEMICAL BONDS
ELECTRONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
FERMIONS
FLUIDS
FUNCTIONS
GASES
HADRONS
KEV RANGE
KEV RANGE 10-100
KEV RANGE 100-1000
LEPTONS
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 01-10
NITROGEN
NONMETALS
NUCLEONS
OXYGEN
PROTONS
RADIATION PROTECTION
RADIATION TRANSPORT
STOPPING POWER
VAPORS
WATER VAPOR
WAVE FUNCTIONS