Positron annihilation in a simulated interstellar medium
- 1 July 1996
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Physics
- Vol. 74 (7-8) , 407-410
- https://doi.org/10.1139/p96-058
Abstract
The annihilation of positrons in a simulated interstellar medium consisting of molecular hydrogen and a small admixture of the polycyclic aromatic hydrocarbon, naphthalene, was studied in a Penning trap containing cold positrons. The experiments demonstrate the ability to distinguish two distinct components in the annihilation γ-ray spectra. The significance of the experiment for the analysis of γ-ray spectra of astrophysical origin is discussed.Keywords
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