- HZDR e- accelerator ELBE with adjustable repetition rate of about 10-20 MHz , produce bremsstrahlung
- Convert hard X-rays into electron-positron pairs inside the sample of interest Wait for positron annihilation.
- Detect energy and time of arrival of both annihilation quanta
- Reconstruct image of annihilation sites and gate on positron lifetime.
for Material Analysis with Positron Life Time Spectroscopy