Absolute α-induced thick-target gamma-ray yields for the elemental analysis of light elements

A systematic study of the absolute thick-target yields of prompt γ-rays following 4He+ bombardment has been carried out at Esub(α) = 2.4 MeV for the elements Z = 3-9, 11-14. The spectra of interest are depicted and a table of the most suitable γ-rays for elemental analysis is given. The detection limits are given under practical measuring arrangements. The advantage of the method is its good sensitivity for the detection of Li, Be, B and F on the ppm level even in samples containing high concentrations of other light elements such as Na, Mg and Al. (orig.)