positron lifetime spectrometry

synonym: positron annihilation lifetime spectrometry (PALS)
initialism: PLS
https://doi.org/10.1351/goldbook.08752
Measurement method of positron annihilation analysis in which the time interval between the emission of positrons from a radioactive source and the detection of gamma rays due to the annihilation of these positrons with electrons from the surrounding matter is the lifetime of the positron or positronium.
Source:
PAC, 2021, 93, 69. (Vocabulary of radioanalytical methods (IUPAC Recommendations 2020)) on page 92 [Terms] [Paper]