Low energy γ- γ and e⁻- γ PAC measurements using APDs and the probe nuclei ⁸³Rb(⁸³Kr) and ^83mKr(⁸³Kr)

In the field of Perturbed Angular Correlation (PAC) measurements Avalanche Photo Diodes (APD) are rarely used, despite their favourable properties for fast counting purposes at low energies. This work demonstrates their application in combination with a simple and cheap custom build voltage sensitive preamplifier module. Using the PAC nuclei ⁸³Rb(⁸³Kr) and ^83mKr(⁸³Kr), the time resolution of the set-up is analysed and the feasibility of precise timing measurements is shown.