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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.
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Miniaturized circuit improves measurement of radiation dose absorbed in a scintillation crystal. The temperature coefficient of the field-effect transistor gate-source voltage in the isolation amplifier can be readily controlled.
Circuit, using a bialkali photomultiplier tube and liquid scintillator, eliminates disadvantages of Owen circuit. It distinguishes between recoil protons /energies of 200 keV/ and Compton electrons /energies of 20 keV/.
Atmospheric effects on wave propagation based on scintillation and heterodyne measurements
Cosmic gamma rays observation by balloon flight and satellite with scintillation detector, tabulating counting rates in pulse height channels relative to Crab Nebula
Particle spectrometer for Apollo measurements of trapped protons and electrons, using directional telescope composed of solid state and scintillation counters
NaI scintillation spectrometer response function matrices semiautomatic generation, using standard source spectra to obtain normalized Compton continua
Quark search in cosmic radiation near sea level, using scintillation counter telescope
Electron density irregularities convected past space probe relationship to radio intensity power spectrum scintillations
Ionospheric electron density disturbance heights measured via radio signal scintillation from earth satellite, using spaced receiver method
High energy alpha particle beam exposed to plastic scintillators, determining spallation cross section for C12/alpha, alpha n/C11
Scintillation and signal to noise ratio of heterodyne detection for carbon dioxide laser beam propagated over path 3.2 km to determine effects of atmospheric turbulence
Comparison of calculated and liquid scintillation measured fast neutron spectra in layered cylindrical shield of UOF2-water solution reactor
Trapped protons east-west asymmetry observations during Gemini 4 flight, using on-board high sensitivity plastic-scintillation spectrometer
Sensitive fast response scintillation electron detector for use with signal energy analyzer
Cosmic ray electron intensity and energy spectrum from nuclear emulsion-spark chamber combination detector triggered by scintillation and Cerenkov counters on high altitude balloon
Versatile pulse amplifier for use with scintillation counters, surface barrier detectors, proportional counters or channel electron multipliers
Proton recoil measurements of PuBe neutron source spectra, using pressurized hydrogen spherical proportional counter and liquid scintillator measurements
Fast neutron spectra in lead and water shielded reactor, comparing liquid scintillator measurements with discrete ordinates code calculations