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AIRFLY Experiment

Measurement of the fluorescence yield of electrons in air

The fluorescence yield of electrons in air is measured with the AIRFLY experiment. At accelerators in Argonne, USA and Frascati, Italy electrons with MeV energies are injected into different gases (nitrogen, nitrogen-oxygen mixtures, air). This yields nitrogen molecules in excited states. During their transition to the ground state fluorescence light is emitted. The intensity of this light is investigated as function of various parameters, like pressure, temperature, and humidity.

Diploma thesis Andreas Obermeier


Jörg R. Hörandel