We obtained many more

1
(No Transcript)
2
(No Transcript)
3
(No Transcript)
4
(No Transcript)
5
(No Transcript)
6
(No Transcript)
7
(No Transcript)
8
(No Transcript)
9
(No Transcript)
10
(No Transcript)
11
(No Transcript)
12
(No Transcript)
13
(No Transcript)
14
(No Transcript)
15
(No Transcript)
16
We obtained many more lines than observed in EBIT
experiment.
17
(No Transcript)
18
Open core transitions for Fe XVIII
19
(No Transcript)
20
Energy levels and transition frequencies of
Hydrogen-Like ions.
NIST project, led by P. Mohr, to create an
interactive database for H-like ions.
The database will provide theoretical values of
energy levels and transition frequencies for n
1 to n 20 and all allowed values of l and j
Values based on current knowledge of relevant
theoretical contributions including
relativistic, QED, recoil, and nuclear size
effects. Fundamental constants
are taken from CODATA LSA 2002.
Uncertainties are carefully evaluated
We now work on H-like ions from He to Ne9
Web site will be published in the
beginning of 2005.
http//physics.nist.gov/PhysRefData/HLEL/index.htm
l
21
(No Transcript)
22
Contributions to energy level
The main contribution comes from the Dirac Energy

Others include

Relativistic Recoil
Self Energy
Vacuum Polarization
Two-photon Corrections
Three-photon Corrections
Finite Nuclear Size
Radiative-Recoil Correction
Nuclear Size Correction to Self Energy and
Vacuum Pol.
Nuclear Polarization
Nuclear Self Energy



23
Comparison with experimental Lamb-shift of H and
H-like ions.
The difference between theory and experimental
data is small
The error bars show theoretical uncertainty due
to the uncertainty in the nuclear radius.
0
24
Hydrogen energy levels
Frequency interval(s)
Reported value Theoretical value

(kHz)
(kHz) H(2S1/2 -
4S1/2) - 1/4 H(1S1/2 - 2S1/2)
4 797 338(10) 4 797 330(2)
H(2S1/2 - 4D5/2) - 1/4 H(1S1/2 - 2S1/2)
6 490 144(24) 6
490 128(2) H(2S1/2 - 8S1/2)
770 649 350 012.1(8.6)
770 649 350 015(3) H(2S1/2 - 8D3/2)
770 649
504 450.0(8.3) 770 649 504 448(3) H(2S1/2
- 8D5/2)
770 649 561 584.2(6.4) 770 649 561
577(3) H(2S1/2 - 12D3/2)
799 191 710 472.7(9.4)
799 191 710 481(3) H(2S1/2 - 12D5/2)
799 191 727
403.7(7.0) 799 191 727 408(3) H(2S1/2 -
6S1/2) - 1/4 H(1S1/2 - 3S1/2)
4 197 604(21) 4 197 599(3)
H(2S1/2 - 6D5/2) - 1/4 H(1S1/2 - 3S1/2)
4 699 099(10) 4
699 104(2) H(2S1/2 - 4P1/2) - 1/4 H(1S1/2 -
2S1/2) 4 664 269(15)
4 664 253(2) H(2S1/2 - 4P3/2) - 1/4
H(1S1/2 - 2S1/2) 6 035
373(10) 6 035 383(2) H(2S1/2 -
2P3/2)
9 911 200(12)
9 911 196(3) H(2P1/2 - 2S1/2)
1 057
845.0(9.0) 1 057 845(3)
H(2P1/2 - 2S1/2)
1 057 862(20)
1 057 845(3)
25
(No Transcript)
26
(No Transcript)
27
(No Transcript)
28
(No Transcript)
29
(No Transcript)