nth-generation product ion spectrum

https://doi.org/10.1351/goldbook.12511
Mass spectrum recorded from any mass spectrometer in which the appropriate scan function can be set to record the appropriate generation product ion or ions of m/z selected precursor ions.
Source:
PAC, 2013, 85, 1515. (Definitions of terms relating to mass spectrometry (IUPAC Recommendations 2013)) on page 1573 [Terms] [Paper]