Precision tests of QED in strong fields:: experiments on hydrogen- and helium-like uranium

被引：13

作者：

Gumberidze, A. ^{[1
]}

Stoehlker, Th. ^{[1
]}

Banas, D. ^{[1
]}

Beckert, K. ^{[1
]}

Beller, P. ^{[1
]}

Beyer, H. F. ^{[1
]}

Bosch, F. ^{[1
]}

Cai, X. ^{[1
]}

Hagmann, S. ^{[1
]}

Kozhuharov, C. ^{[1
]}

Liesen, D. ^{[1
]}

Nolden, F. ^{[1
]}

Ma, X. ^{[1
]}

Mokler, P. H. ^{[1
]}

Steck, M. ^{[1
]}

Sierpowski, D. ^{[1
]}

Tashenov, S. ^{[1
]}

Warczak, A. ^{[1
]}

Zou, Y. ^{[1
]}

机构：

[1] Gesell Schwerionenforsch mbH, D-64291 Darmstadt, Germany

来源：

HCI 2006: 13TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF HIGHLY CHARGED IONS | 2007年 / 58卷

关键词：

D O I：

10.1088/1742-6596/58/1/013

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this contribution, we present an experimental study carried out at GSI Darmstadt devoted to investigation of quantum electrodynamical (QED) effects for the ground states in hydrogen- and helium-like uranium. In the experiment, X-ray spectra following radiative recombination of free electrons with bare and H-like uranium ions (U92+, U91+) were measured at the electron cooler of the ESR storage ring. Utilizing clean and favorable experimental conditions present at the electron cooler, we were able to obtain very accurate values for the ground-state binding energies from the observed X-ray transitions. When compared with theory, our results provide the most stringent test of bound-state QED for one- and two-electron systems in the strong-field regime.

引用

页码：87 / +

页数：2

共 14 条

[1] Measurement of the two-loop lamb shift in lithiumlike U89+ -: art. no. 233003 [J].

Beiersdorfer, P ;

Chen, H ;

Thorn, DB ;

Träbert, E .

PHYSICAL REVIEW LETTERS, 2005, 95 (23)

[2] MEASUREMENT OF THE GROUND-STATE LAMBSHIFT OF HYDROGENLIKE URANIUM AT THE ELECTRON COOLER OF THE ESR [J].

BEYER, HF ;

MENZEL, G ;

LIESEN, D ;

GALLUS, A ;

BOSCH, F ;

DESLATTES, R ;

INDELICATO, P ;

STOHLKER, T ;

KLEPPER, O ;

MOSHAMMER, R ;

NOLDEN, F ;

EICKHOFF, H ;

FRANZKE, B ;

STECK, M .

ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS, 1995, 35 (03) :169-175

[3] High Rydberg resonances in dielectronic recombination of Pb79+ -: art. no. 053201 [J].

Brandau, C ;

Bartsch, T ;

Hoffknecht, A ;

Knopp, H ;

Schippers, S ;

Shi, W ;

Müller, A ;

Grün, N ;

Scheid, W ;

Steih, T ;

Bosch, F ;

Franzke, B ;

Kozhuharov, C ;

Mokler, PH ;

Nolden, F ;

Steck, M ;

Stöhlker, T ;

Stachura, Z .

PHYSICAL REVIEW LETTERS, 2002, 89 (05) :053201/1-053201/4

[4]

HELMER RG, 1975, NUCL INSTRUM METHODS, V124, P107

[5]

INDELICATO P, 1998, COMMUNICATION

[6] MEASUREMENT OF 2-ELECTRON CONTRIBUTIONS TO THE GROUND-STATE ENERGY OF HELIUM-LIKE IONS [J].

MARRS, RE ;

ELLIOTT, SR ;

STOHLKER, T .

PHYSICAL REVIEW A, 1995, 52 (05) :3577-3585

[7] Two-electron lamb-shift calculations on heliumlike ions [J].

Persson, H ;

Salomonson, S ;

Sunnergren, P ;

Lindgren, I .

PHYSICAL REVIEW LETTERS, 1996, 76 (02) :204-207

[8] MEASUREMENT OF THE LAMB SHIFT IN LITHIUM-LIKE URANIUM (U89+) [J].

SCHWEPPE, J ;

BELKACEM, A ;

BLUMENFELD, L ;

CLAYTOR, N ;

FEINBERG, B ;

GOULD, H ;

KOSTROUN, VE ;

LEVY, L ;

MISAWA, S ;

MOWAT, JR ;

PRIOR, MH .

PHYSICAL REVIEW LETTERS, 1991, 66 (11) :1434-1437

[9] Towards a test of QED in investigations of the hyperfine splitting in heavy ions [J].

Shabaev, VM ;

Artemyev, AN ;

Yerokhin, VA ;

Zherebtsov, OM ;

Soff, G .

PHYSICAL REVIEW LETTERS, 2001, 86 (18) :3959-3962

[10] GROUND-STATE LAMB SHIFT FOR HYDROGENLIKE URANIUM MEASURED AT THE ESR STORAGE-RING [J].

STOHLKER, T ;

MOKLER, PH ;

BECKERT, K ;

BOSCH, F ;

EICKHOFF, H ;

FRANZKE, B ;

JUNG, M ;

KANDLER, T ;

KLEPPER, O ;

KOZHUHAROV, C ;

MOSHAMMER, R ;

NOLDEN, F ;

REICH, H ;

RYMUZA, P ;

SPADTKE, P ;

STECK, M .

PHYSICAL REVIEW LETTERS, 1993, 71 (14) :2184-2187

← 1 2 →