spectrometer response function

https://doi.org/10.1351/goldbook.09283
Number of particles detected with a spectrometer divided by the number of such particles per solid angle and per interval of the dispersing parameter available for measurement as a function of the dispersing parameter.
Source:
PAC, 2020, 92, 1781. (Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)) on page 1813 [Terms] [Paper]