Radiative corrections to hyperfine structure in hydrogen

1964 ◽  
Vol 34 (1) ◽  
pp. 77-80 ◽  
Author(s):  
D. E. Zwanziger
Keyword(s):  
Hyperfine Structure ◽  
Radiative Corrections

Radiative corrections to the hyperfine-structure splitting of hydrogenlike systems

1998 ◽  
Vol 58 (2) ◽  
pp. 1055-1069 ◽  
Author(s):  
P. Sunnergren ◽  
H. Persson ◽  
S. Salomonson ◽  
S. M. Schneider ◽  
I. Lindgren ◽  
...  
Keyword(s):  
Hyperfine Structure ◽  
Radiative Corrections ◽  
Structure Splitting

Order-α4R∞contributions to positronium hyperfine structure from radiative corrections to two-photon virtual annihilation

1979 ◽  
Vol 19 (5) ◽  
pp. 1886-1892 ◽  
Author(s):  
Vu K. Cung ◽  
Alberto Devoto ◽  
Thomas Fulton ◽  
Wayne W. Repko
Keyword(s):  
Hyperfine Structure ◽  
Radiative Corrections ◽  
Two Photon

scholarly journals HYPERFINE STRUCTURE PARAMETERS FOR COMPLEX ATOMS WITHIN RELATIVISTIC MANY-BODY PERTURBATION THEORY

2021 ◽  
pp. 52-59
Author(s):  
M. Makushkina ◽  
O. Antoshkina ◽  
O. Khetselius
Keyword(s):  
Perturbation Theory ◽  
Hyperfine Structure ◽  
Finite Size ◽  
Structure Parameters ◽  
Radiative Corrections ◽  
Correlation Effects ◽  
Many Body ◽  
Radium Isotope ◽  
Hartree Fock ◽  
Many Body Perturbation Theory

The calculational results for the hyperfine structure (HFS) parameters for the Mn atom (levels of the configuration 3d64s) and  the results of advanced calculating the HFS constants and nuclear quadrupole moment for the radium isotope are obtained on the basis of computing within the relativistic many-body perturbation theory formalism with a correct and effective taking into account the exchange-correlation, relativistic, nuclear and radiative corrections. Analysis of the data shows that an account of the interelectron correlation effects is crucial in the calculation of the hyperfine structure parameters.  The fundamental reason of physically reasonable agreement between theory and experiment is connected with the correct taking into account the inter-electron correlation effects, nuclear (due to the finite size of a nucleus), relativistic and radiative corrections. The key difference between the results of the relativistic Hartree-Fock Dirac-Fock and many-body perturbation theory methods calculations is explained by using the different schemes of taking into account the inter-electron correlations as well as nuclear and radiative ones.

Second-Order Radiative Corrections to Hyperfine Structure

1952 ◽  
Vol 86 (6) ◽  
pp. 876-888 ◽  
Author(s):  
Norman M. Kroll ◽  
Franklin Pollock
Keyword(s):  
Hyperfine Structure ◽  
Second Order ◽  
Radiative Corrections
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