back scatter coefficient

in in situ microanalysis
Number of @[email protected] generated per @[email protected] for a given specimen and experimental condition. It depends on (mean) @[email protected] of the excited area of the sample, @[email protected] between electron beam and sample surface, primary electron energy and thickness of the sample.
PAC, 1983, 55, 2023. (Nomenclature, symbols and units recommended for in situ microanalysis (Provisional)) on page 2026 [Terms] [Paper]