Device to display disintegrations of positrons using barycentric

Details Device to display disintegrations of positrons using barycentric Device to display disintegrations of positrons using barycentric

1991-03-05

1992-09-29

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

25036302, 25036301, G01T 1164

Patent

active

051515997

ABSTRACT:
Device to display disintegrations of positrons and comprising at least one pair of scintillators (28) sensitive to gamma radiations and disposed opposite each other, photoelectron multiplier units (30) each associated with one scintillator, devices (34) for the barycentric measurement of the position of scintillations in the scintillators, devices (36) for determining the times of flight of the gamma radiations detected in coincidence in each of the paired scintillators, devices (38) for localizing positron disintegrations, and an image display system (40).

REFERENCES:
patent: 4150292 (1979-04-01), Ter-Pogossian
patent: 4755680 (1979-04-01), Logan
patent: 4864140 (1989-09-01), Rogers et al.
Ph. Garderet, E. Campagnolo, "Image Reconstruction Using Time of Flight Information in the LETI positron Tomography System," Workshop on Time-of-Flight Tomography (Washington University, St. Louis, Mo., May 17-19, 1982) pp. 97-100.
R. Allemand, R. Campagnolo, P. Garderet, R. Gariod, M. Laval, M. Moszynski, E. Tournier, J. Vacher, "Time-of-Flight Method for Positron Tomographic Imaging and State-of-the-Art of Detector Technology for Emission Tomography," Diagnostic Imaging Medicine PISA (Italy, Oct. 11-24, 1981).

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