system resolution

https://doi.org/10.1351/goldbook.09389
Energy resolution or depth resolution measured in a backscattering spectrum for a monoenergetic incident-ion beam.
Source:
PAC, 2020, 92, 1781. 'Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)' on page 1836 (https://doi.org/10.1515/pac-2019-0404)