SEARCH · Search NASA
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Solar particle propagation in magnetic fields revealing anisotropies in proton flux analyzed from Pioneer VI space probe data
Solar modulation and time variation of differential energy spectrum and flux of primary helium nuclei in 30 to 90 mev/nucleon energy range
Chemical abundances and energy spectra of nuclei in galactic radiation measured in interplanetary space by OGO-I satellite
Minority carrier trapping centers introduced by irradiation of n-type germanium analyzed, particularly effect of donor species on production, recovery and annealing of defects
Balloon flight data on upper limit solar gamma ray spectrum from quiet sun
Analytic representation of nonelastic cross sections and particle emission spectra from nucleon-nucleus collisions in 25 to 400MeV energy range
Monte Carlo method for evaluation of high energy neutron exposure hazards
Neutron energy spectra measured as function of neutron emission angle and ion bombardment energy
Spectra of outgoing protons for various targets using scintillation counter, interpreting data by means of impulse-approximation calculation
Relativistic photoelectric cross section for two electrons of K-shell computed, using numerical program
Fast neutron activation cross sections of Se and Fe measured, noting subshell closure effect and isomer ratio
Inelastic differential scattering cross sections and angular distribution of Ni first-excited- state protons determined by distorted wave calculation
Low pressure gas Cerenkov detector and spectrometer coupled into charged particle telescope for cosmic ray electron spectrum measurements, discussing efficiency and instrument calibration
Study of detection sensitivities of 73 radioactive elements using fast unmoderated neutrons includes experiments for irradiation, cooling and counting conditions. The gamma ray emission spectra is used to identify the unknown material.
FORTRAN computer program for cross sections, and particle emission analysis in nucleon-nucleus collisions
Transmission, and backscatter coefficients for electron irradiated aluminum, and stainless steel foils
Neutron gamma activation methods for determining chemical composition of soil samples
Angular and energy distribution measurements of electrons transmitted through thick silicon targets