Retroreflectors for increasing cold shield efficiency

Retrospectively determining the center of rotation of a scintill

Reverse sum quench measurement using a liquid scintillation coun

Rhenium lined Geiger-Mueller tube

Right/left assignment in drift chambers and proportional multiwi

Ring type single-photon emission CT imaging apparatus

Ring-down cavity spectroscopy cell using continuous wave excitat

Robust cover plate for radiation imager

Rodent discriminator lens

Room air monitor for radioactive aerosols

Room temperature solid state gamma or X-ray detectors

Room temperature two color infrared detector

Room-temperature, thin-film, PbS photoconductive detector harden

Rotating and warping projector/backprojector for converging-beam

Rotating articulation for a transmission attenuation...

Rotating detector system with coolant supply

Rotational-translational fourier imaging system

Rotational-translational fourier imaging system requiring...

Rugged alpha particle counter

Rugged interferometer