Electron-Electron Interaction in Strong Electromagnetic Fields: The Two-Electron Contribution to the Ground-State Energy in He-like Uranium | Zendy

A. Gumberidze | Zendy; Th. Stöhlker | Zendy; D. Banaś | Zendy; K. Beckert | Zendy; P. Béller | Zendy; H. F. Beyer | Zendy; F. Bosch | Zendy; Xianlei Cai | Zendy; S. Hagmann | Zendy; C. Kozhuharov | Zendy; D. Liesen | Zendy; F. Nolden | Zendy; X. Ma | Zendy; P. H. Mokler | Zendy; A. Oršić-Muthig | Zendy; M. Steck | Zendy; D. Sierpowski | Zendy; S. Tashenov | Zendy; A. Warczak | Zendy; Y. Zou | Zendy

Open Access

Electron-Electron Interaction in Strong Electromagnetic Fields: The Two-Electron Contribution to the Ground-State Energy in He-like Uranium

Author(s) -

A. Gumberidze,

Th. Stöhlker,

D. Banaś,

K. Beckert,

P. Béller,

H. F. Beyer,

F. Bosch,

Xianlei Cai,

S. Hagmann,

C. Kozhuharov,

D. Liesen,

F. Nolden,

X. Ma,

P. H. Mokler,

A. Oršić-Muthig,

M. Steck,

D. Sierpowski,

S. Tashenov,

A. Warczak,

Y. Zou

Publication year - 2004

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.92.203004

Subject(s) - electron , atomic physics , physics , uranium , ion , ionization , ground state , radiative transfer , ionization energy , nuclear physics , quantum mechanics

Radiative recombination transitions into the ground state of cooled bare and hydrogenlike uranium ions were measured at the storage ring ESR. By comparing the corresponding x-ray centroid energies, this technique allows for a direct measurement of the electron-electron contribution to the ionization potential in the heaviest He-like ions. For the two-electron contribution to the ionization potential of He-like uranium we obtain a value of 2248+/-9 eV. This represents the most accurate determination of two-electron effects in the domain of high-Z He-like ions, and the accuracy reaches already the size of the specific two-electron radiative QED corrections.

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