photoelectron X-ray satellite peaks

synonym: satellite peaks
https://doi.org/10.1351/goldbook.09346

Photoelectron peaks in a spectrum resulting from photoemission induced by characteristic minor X-ray lines associated with the X-ray spectrum of the anode material.

Example: Kα, Kα3,4, Kα5,6, and Kβ are all minor X-ray lines.
Source:
PAC, 2020, 92, 1781. (Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)) on page 1828 [Terms] [Paper]