Abstract
The S-parameter, introduced by MacKenzie et al., is now widely used to describe annihilation gamma-ray lineshapes recorded with Ge(Li) spectrometers. This paper discusses four descriptive parameters, their statistical properties and their sensitivity to positron trapping.
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References
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Campbell, J.L. Annihilation gamma-ray lineshape parameters. Appl. Phys. 13, 365–369 (1977). https://doi.org/10.1007/BF00882612
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DOI: https://doi.org/10.1007/BF00882612