]Godcold!

Screening parametrizations of line strengths

Semiempirical Methods

Overview of Data-Based Methods
The good clock
Transition probability rate data base
Isoelectronic sequences
H-like intrashell line strengths values
Transition hierarchies
Lifetimes at various hierachies
Multiple values
Wien model

Single Valence Electron Systems

Alkali-Metallike
Li-like Johnson
Hydrogenlike case
Comparison with Li
Li-like Corrected
Na-like Corrected
Li-Na Johnson
S(3/2-1/2):S(1/2,1/2)
PSD fs of Si XII
Cancellation Landscape

Two-Electron and Electron-Hole Systems*

Intrashell
Two-independent particles
Separate spin
Antisymmetricize space
Electron-electron interaction
Direct and exchange interaction
Slater parameters
Spin-orbit operator
nsnp Matrix
Data reduction
nsnp Mixing Angles
IsoPlot of Mixing Angles
Landé Interval Rule
Summary
Mg,Cd,Cd,Hg Sequences
Dirac Formulation
l-mixing at high Z CI
High Z CI
Be Sequence
Spin-orbit and jj coupling
Formulation
Radial-Angular Mixing Angles
Be sequence Joint Mixing Angles
Be Seq Corrections
Intershell, "Bears"
Be-like Grotrian and Decay
Differential lifetimes
3-Bears spectrum
Differential decay curve
Branching of Singlet
Z2S Plot for 3-Bears
Predictions
He-like Slope Law
2s3p and 3s4p mixing
Plunging levels
S-like avoided crossings
f-value crossings
Cancellations in 2s3p and 3s4p
Intershell, inert gaslike systems
Z2S Plot for Ne-Sequence
Predictions
Lasing action for Z=34
Mixing angles 2s3p, 2p53s
Ar-like Plunging Levels
Ar-like Mixing Angles
Theoretical line strengths

p2 and p4 configurations

p2 matrix
Data reductions
p2 levels
p2 and p4 Configurations
Ground term M1 transitions
Si Sequence
S Sequence

Pb Sequence

Pb Grotrian diagram
Eigenvectors
Bi II Grotrian
Data reduction
Pb Cancellations
Relativistic eigenvectors
Dirac Formulae
Data reduction