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The accurate measurement of weak three-photon annihilation by a simple triple coincidence technique
Authors:C. Dauwe
Affiliation:(1) Département de Physique, Université Nationale du Zaire, Kinshasa, Zaire;(2) Laboratorium voor Magnetisme, Rijksuniversiteit Gent, Proeftuinstraat 86, Belgium
Abstract:
The method of triple coincidence is optimized for the detection of the orthopositronium decay. Two positron sources 86-Ge and 22-Na, are compared. The influence of sandwich thickness is described and a method for the correction for those effects is given. This work is supported by the International Atomic Energy Agency, Vienna, through research contract 2516/R.B.
Keywords:29 78.70
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