Abstract
A slow-positron source has been installed in the therminal of an electrostatic 6.5 MeV accelerator and provides a monoenergetic positron beam in the few-MeV range. It will be used to operate a “fast” positron lifetime spectrometer based onβ + γ coincidences. The properties of the beam, the expected performance of the spectrometer, its advantages over conventionalγγ lifetime measurements, a number of intended applications, as well as recent positron-electron scattering experiments and plans for positron channelling and channelling-radiation studies are outlined.
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This paper is based on a talk given by W.B. at the Int. Symp. “Production of Low-Energy Positrons with Accelerators and Applications”, held at Justus-Liebig-Universität Giessen, FRG, September 25–27, 1986
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Bauer, W., Maier, K., Major, J. et al. The positron beam at the stuttgart pelletron accelerator and its applications toβ +γ positron lifetime measurements. Appl. Phys. A 43, 261–267 (1987). https://doi.org/10.1007/BF00635181
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DOI: https://doi.org/10.1007/BF00635181