Measurement of the angular distribution of Dielectronic Recombination into highly charged Krypton ions

28th International Conference on Photonic, Electronic and Atomic Collisions

Amaro, Pedro^1 ; Shah, Chintan^1 ; Tashenov, Stanislav^1 ; Beilmann, Christian^1,2 ; Bernitt, Sven^2 ; Lopez-Urrutia, Jose R. Crespo^2 ; Fritzsche, Stephan^3,4 ; Kovtun, Oleksiy^1 ; Rudolph, Jan K.^2 ; Steinbrügge, Rene^2 ; Surzhykov, Andrey^4,5

Ruprecht-Karls-Universität Heidelberg, 69120, Germany^1

Max-Planck-Institut Fr Kernphysik, Heidelberg

69117, Germany^2

Friedrich Schiller University Jena, 07743, Germany^3

Helmholtz Institute Jena, 07743, Germany^4

GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt

64291, Germany^5

关键词: Angular momentum vector;    Dielectronic recombinations;    Electron beam ion traps;    Krypton ions;    Photon emissions;    X-ray lines;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/488/6/062030/pdf
DOI  :  10.1088/1742-6596/488/6/062030

来源: IOP

【 摘 要 】

Angular distribution of x-rays emitted in the process of Dielectronic Recombination (DR) was studied at the Electron Beam Ion Trap. For this the photon emission spectra were observed along and perpendicular the electron beam propagation direction. X-ray line intensities differ drastically between the two acquired spectra. This indicates a strong alignment of the total angular momentum vector of the excited states populated by DR with respect to the electron beam propagation direction.