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Verhandlungen
Verhandlungen
DPG

Berlin 2001 – scientific programme

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A: Atomphysik

A 5: Posters Tuesday (Photoionisation, Multi Photon Processes)

A 5.19: Poster

Tuesday, April 3, 2001, 12:30–15:00, AT3

An Experiment for Studies of Ionisation in Negative Ions — •jason greenwood and gerry collins — Department of Pure and Applied Physics, Queen’s University Belfast, Belfast, BT7 1NN, UK

A versatile experimental apparatus is currently being set up for the investigation of inner shell ionisation in negative ions. Negative ions produced from a cesium sputter ion source will undergo interactions with a crossed beam. Initially an electron beam will be used but future experiments will use synchrotron soft X-ray radiation for single photon ionisation and intense lasers for multi-photon ionisation. The processes will be studied by final charge state analysis of the ion beam and by energy analysis of emitted Auger electrons using a cylindrical mirror analyser.

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