theoretical scattered-ion intensity

symbol: $I_{\rm{i}}(\theta)$

https://doi.org/10.1351/goldbook.09390

Calculated intensity for probe ions scattered into a specified solid angle at a given direction.

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)