Nucl. Instrum. Meth. A 1038, 166921 (2022)

Q. H. Zhao, X. X. Han, H. B. Wang, Y. Dong, Y. H. Li, M. Luo, J. Q. Guo, J. D. Liu, H. J. Zhang∗, B.J. Ye*, A new digital positron annihilation lifetime spectrometer for a single piece of micron-thickness film, Nucl. Instrum. Meth. A 1038, 166921 (2022).