First observation of coherence in a highly charged ion

29th International Conference on Photonic, Electronic, and Atomic Collisions

Tashenov, S.^1 ; Banas, D.^2 ; Beyer, H.^3 ; Brandau, C.^4,5 ; Fritzsche, S.^6,7 ; Gumberidze, A.^4,5 ; Hagmann, S.^3 ; Hillenbrand, P.-M.^3 ; Jörg, H.^1 ; Kojouharov, I.^3 ; Kozhuharov, Ch.^3 ; Lestinsky, M.^3 ; Litvinov, Yu.A.^1,3 ; Maiorova, A.V.^8 ; Schaffner, H.^3 ; Shabaev, V.M.^8 ; Spillmann, U.^3 ; Stöhlker, Th.^6,9 ; Surzhykov, A.^6 ; Trotsenko, S.^3,6

Physikalisches Institut der Universität Heidelberg, Heidelberg

69120, Germany^1

Institute of Physics, Jan Kochanowski University, Kielce

25-406, Poland^2

GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt

64291, Germany^3

ExtreMe Matter Institute EMMI and Research Division, GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt

64291, Germany^4

FIAS Frankfurt Institute for Advanced Studies, Frankfurt am Main

60438, Germany^5

Helmholtz-Institut Jena, Jena

07743, Germany^6

Theoretisch-Physikalisches Institut, Universität Jena, Jena

07743, Germany^7

St. Petersburg State University, St. Petersburg

198504, Russia^8

Institut für Optik und Quantenelektronik, Universität Jena, Jena

07743, Germany^9

关键词: Angular correlations;    Highly charged ions;    Radiative recombination;    Spin orbit interactions;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/635/2/022096/pdf
DOI  :  10.1088/1742-6596/635/2/022096

来源: IOP

【 摘 要 】

We report the first observation of correlated x rays emitted by a heavy highly charged ion such as hydrogenlike uranium in the process of radiative recombination. The angular correlations between these x rays for the first time revealed a coherence of the populated state in this ion. The results also indicate a strong contribution of the spin-orbit interaction in radiative recombination.