MEASUREMENT OF THE 2S(2)S(1/2)-2P(2)P(3/2) WAVELENGTH IN LI-LIKE NICKEL

被引：6
|
作者：
BUTTNER, R
STAUDE, U
NICOLAI, M
BRAUKHOFF, J
SCHARTNER, KH
FOLKMANN, F
MOKLER, PH
机构：
[1] AARHUS UNIV,INST PHYS & ASTRON,DK-8000 AARHUS C,DENMARK
[2] GSI DARMSTADT,GESELL SCHWERIONENFORSCH,D-64291 DARMSTADT,GERMANY
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1995年 / 98卷 / 1-4期
关键词：
D O I：
10.1016/0168-583X(95)00028-3
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The wavelength of the 2s(2)S(1/2)-2p(2)P(3/2) transition in Li-like Ni was measured, using for the first time beam-foil spectroscopy; Ni13+ ions at 5.95 MeV/u and 11.68 MeV/u UNILAC-energies were excited by 200 mu g/cm(2) and 100 mu g/cm(2) carbon foils. A value of 16.5366 nm has been obtained with an accuracy of 0.0024 nm, corresponding to 1.8% of the QED contribution to the 2s-2p transition energy. The experimental procedure, based on an in situ wavelength calibration and a Doppler shift correction, is described. A comparison of the result with values from measurements at tokamaks and with calculations is carried out.
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页码：41 / 44
页数：4
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