ion beam analysis 

Initialism: IBA
https://doi.org/10.1351/goldbook.08732
Measurement principle in which elementary particles resulting from nuclear reactions of charged particles with nuclei in a material are applied in order to measure the amount and depth distribution of elements in materials.
Source:
PAC, 2021, 93, 69. (Vocabulary of radioanalytical methods (IUPAC Recommendations 2020)) on page 83 [Terms] [Paper]