Abstract
A luminescent chamber, consisting of a homogeneous Cs J-Tl-scintillator and a four-stage magnetically focussed image intensifier, has been built. Using large aperture lenses for the imaging of the intensifier output screen to the photographic film, the light spot from a single photoelectron of the intensifier front-photocathode can easily be photographed. Intensification and resolution of the intensifier are about 106 and 0·1 mm respectivly. The conditions for seeing tracks of minimum ionising particles and the problems of spacial and time-resolution, of the depth of sharpness and the possibilities of stereo-viewing are discussed. Photographs of 400 MeV-positron tracks are shown. The density of image spots in this case is 20–40 per cm track length. A comparison of the luminescent chamber with other track chambers is discussed.
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Ich danke Herrn Professor Dr. W.Paul für die Anregung zu dieser Arbeit und den Herren Dipl.-Phys. R.Giesk und Dipl.-Phys. P.Brinckmann für die Hilfe beim Bau und Betrieb der Lumineszenzkammer. Die Arbeit wurde vom Bundesministerium für Atomforschung unterstützt.
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Gildemeister, O. Eine Lumineszenzkammer. Z. Physik 174, 525–535 (1963). https://doi.org/10.1007/BF01380635
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DOI: https://doi.org/10.1007/BF01380635