Gamma-induced Positron Annihilation Spectroscopy

Gamma-induced Positron Annihilation Spectroscopy

Butterling, M.; Anwand, W.; Wagner, A.; Krause-Rehberg, R.

The setup and idea of the Gamma-induced Positron Spectroscopy (GiPS) using the superconducting LINAC ELBE is presented. Features of a setup using bremsstrahlung to create positrons by pair production as well as the advantages of the characteristics of the ELBE beam will be shown and discussed. The measurement of the positron and positronium lifetime of water at various temperatures is an example for investigation and the connection of theory and experiment and will also show the perfect function of the GiPS setup.

Keywords: Positron Annihilation Spectroscopy; Bremsstrahlung; Positronium

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Publ.-Id: 16445