Berlin 2001 – scientific programme
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MO: Molekülphysik
MO 9: Photoionisation I (joint session A and MO)
MO 9.8: Talk
Thursday, April 5, 2001, 17:30–17:45, H1012
Investigation of the 1s Cascade Decay of Mg with Photoelectron-Photoion-Coincidence Measurements — •Nico Schmidt, Birgit Kanngießer, Sandra Brünken, Kai Godehusen, Wolfgang Malzer, and Peter Zimmermann — Institut für Atomare und Analytische Physik, Technische Universität Berlin, Hardenbergstr. 36, D-10623 Berlin, Germany
We have investigated the 1s decay of free Mg atoms with a photoelectron- photoion coincidence method at the new U41-PGM beamline of BESSY II. As Mg is the first element in the periodic table showing a cascade decay for the 1s radiative transition, also the Mg 2p and 2s decay was investigated. With our final ion-charge resolving electron spectroscopy, an advanced version of the photoelectron-photoion coincidence method, branching ratios and transition probabilities were determined for the whole cascade decay.
The results are compared to measurements on solids and to calculated values.
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