Electric charge of specified polarity in a beam passing in time interval
\(t\), divided by
\(t\).
Note: For beams in which the instantaneous current varies periodically with time, the time interval \(t\) is an integral number of periods.
Source:
PAC, 2020, 92, 1781. 'Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)' on page 1799 (https://doi.org/10.1515/pac-2019-0404)