X-RAYS FROM RADIATIVE ELECTRON-CAPTURE OF FREE COOLING ELECTRONS FOR PRECISE LAMB-SHIFT MEASUREMENTS AT HIGH-Z-AU78+

Authors
BEYER HF LIESEN D BOSCH F FINLAYSON KD JUNG M KLEPPER O MOSHAMMER R BECKERT K EICKHOFF H FRANZKE B NOLDEN F SPADTKE P STECK M
Citation
Hf. Beyer et al., X-RAYS FROM RADIATIVE ELECTRON-CAPTURE OF FREE COOLING ELECTRONS FOR PRECISE LAMB-SHIFT MEASUREMENTS AT HIGH-Z-AU78+, Physics letters. A, 184(6), 1994, pp. 435-439
Citations number
17
Categorie Soggetti
Physics
Journal title
Physics letters. A → ACNP
ISSN journal
03759601
Volume
184
Issue
6
Year of publication
1994
Pages
435 - 439
Database
ISI
SICI code
0375-9601(1994)184:6<435:XFREOF>2.0.ZU;2-T
Abstract
Spontaneous capture of free cooling electrons by bare high-Z ions lead s to the emission of X rays which have been observed for the first tim e. The distinctive features of this X-ray source for precision spectro scopy of high-Z few-electron systems are demonstrated. They enabled a determination of the 1s Lamb shift of hydrogen-like Au78+ (212 +/- 15 eV) to an accuracy of 7%. This is more precise than any other measurem ent previously reported for a very heavy ion.