Berlin 2005 – scientific programme

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A: Atomphysik

A 13: Poster HU 2

A 13.22: Poster

Tuesday, March 8, 2005, 08:30–18:30, Poster HU

Rydberg series of Kr doubly excited states between 29 eV and 30 eV observed after excitation with extremely narrow bandwith monochromatized synchrotron radiation — •Stephan Klumpp¹, Lutz Werner¹, Sebastian Lucht¹, Hans Schmoranzer¹, Arno Ehresmann¹, Sascha Mickat², Sven Kammer², Rüdiger Schill², Karl-Heinz Schartner², Ivan D. Petrov³, Boris M. Lagutin³, Philip V. Demekhin³ und Victor L. Sukhorukov³ — ¹Fachbereich Physik, TU Kaiserslautern, Erwin-Schrödinger-Str., D-67663 Kaiserslautern, Germany — ²I. Physikalisches Institut, Justus-Liebig-Universität Giessen, D-35392 Giessen, Germany — ³Rostov State University of Transport Communications, 344038 Rostov-on-Don, Russia

Rydberg series of doubly excited states between exciting-photon energies of 29 eV to 30 eV were observed using photon-induced fluorescence spectroscopy (PIFS). For these experiments synchrotron radiation of extremely narrow bandwidth from the electron storage ring BESSY II, Berlin, at the new undulator beamline U125/2-10mNIM monochromatized by a normal incidence monochromator with a lever arm of 10 m and a grating of 1200 l/mm was used. It will be discused whether a part of the measured Rydberg series energies can be used as highly accurate marks for energy calibration.