Hannover 2003 – wissenschaftliches Programm
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A: Atomphysik
A 17: Postersitzung 2
A 17.20: Poster
Donnerstag, 27. März 2003, 16:00–18:30, Poster
Magnetic circular dichroism in the ion yield of laser polarized Chromium atoms at the 2p-edge — •Georg Prümper1, Sophie Kröger2, Ralf Müller2, Michael Martins3, Jens Viefhaus1, Peter Zimmermann2, and Uwe Becker1 — 1Fritz-Haber-Institut der MPG, Faradayweg 4-6, 14195 Berlin — 2Institut für Atomare Physik und Fachdidaktik, TU Berlin, Hardenbergstr. 36, 19623 Berlin — 3Institut für Experimentalphysik, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg
The effect of magnetic dichroism in the partial and total ion yield of chromium i.e. the absorption of laser polarized chromium vapor was observed for the first time in the gas phase. The measurements were performed at the 2p-edge and at photon energies above the 2p-edge using monochromatized synchrotron radiation of the electron storage ring BESSY II. Experimental results will be presented and the implications for the sum rules used as a standard tool to calculate the spin and orbital momentum in the solid state community will be discussed.