Experimental study on the Ag L-shell X-ray production cross-sections with thick-target method induced by positrons up to 9 keVY. Wu, Z. Y. Zhang, X. G. Xia, M. X. Xu, C. H. Chang, S. Liang, Z. X. Ke, B. Y. Wang and P. ZhangEPL, 127 5 (2019) 53001DOI: https://doi.org/10.1209/0295-5075/127/53001