Positrons can be produced by bombarding high-current and high-energy electrons into a target made of heavy metal, such as tungsten. However, not only positrons but also substantially equal numbers of ...
Fig. 1. The electron plus positron spectrum measured by DAMPE. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions ...
Positron Annihilation Spectroscopy (PAS) is a highly sensitive, non-destructive method for probing atomic-scale imperfections in a broad spectrum of materials, from metals and ceramics to polymers and ...
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