Ground-state magnetization of {sup 209}Bi in a dynamic-correlation model
- Institut fuer Kernphysik, Technische Hochschule Darmstadt, Schlossgartenstr. 9, D-64289 Darmstadt (Germany)
The nuclear magnetization distribution and the magnetic moment of the ground state of {sup 209}Bi are calculated within a dynamic-correlation model. The obtained ground-state magnetization reproduces successfully the hyperfine structure splitting (HFS) of mesonic and electronic {sup 209}Bi. The evaluated nuclear radius and the electric charge distribution are also in very good agreement with experimental data. The dynamic model is based on the introduction of configuration mixing wave functions (CMWF), generated by breaking the particle-hole symmetry of the {sup 208}Pb closed-shell core via the two-body interaction. The 2-particle--1-hole states in this calculation are restricted to a 2{h_bar}{omega} configuration space in the protons and in the neutrons. The particle-hole excitations, introduced by this nonperturbative approximation are of collective character and therefore can also be associated with the creation of virtual bosons in the dynamic nuclear structure calculation. In the framework of this dynamic nuclear model it is possible to set a realistic limit for the nuclear contributions for calculations of the {sup 209}Bi{sup 82+} hyperfine structure splitting, and therefore to allow, for the first time, a test of QED corrections in the strong magnetic field of high-{ital Z} atoms.
- OSTI ID:
- 55140
- Journal Information:
- Physical Review, C, Journal Name: Physical Review, C Journal Issue: 6 Vol. 51; ISSN PRVCAN; ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
66 PHYSICS
BISMUTH 209
COLLECTIVE MODEL
CORRECTIONS
CORRELATIONS
EXCITATION
GROUND STATES
HYPERFINE STRUCTURE
LEAD 208
MAGNETIC MOMENTS
MAGNETIZATION
NEUTRONS
NUCLEAR MODELS
NUCLEAR RADII
NUCLEAR STRUCTURE
PARTICLE-HOLE MODEL
PROTONS
QUANTUM ELECTRODYNAMICS
SHELL MODELS
SYMMETRY BREAKING
WAVE FUNCTIONS
BISMUTH 209
COLLECTIVE MODEL
CORRECTIONS
CORRELATIONS
EXCITATION
GROUND STATES
HYPERFINE STRUCTURE
LEAD 208
MAGNETIC MOMENTS
MAGNETIZATION
NEUTRONS
NUCLEAR MODELS
NUCLEAR RADII
NUCLEAR STRUCTURE
PARTICLE-HOLE MODEL
PROTONS
QUANTUM ELECTRODYNAMICS
SHELL MODELS
SYMMETRY BREAKING
WAVE FUNCTIONS