Atomic Electron Correlation in Nuclear Electron Capture

The effect of electron-electron Coulomb correlation on orbital-electron capture by the nucleus has been treated by the multiconfigurational Hartree-Fock approach. The theoretical Be-7 L /K capture ratio is found to be 0.086, and the Ar-37 M/L ratio, 0.102. Both ratios are smaller than the independen...

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Veröffentlicht in:	Phys. Rev. Lett.; (United States) 1978-05, Vol.40 (22), p.1423-1426
Hauptverfasser:	Chen, Mau Hsiung, Crasemann, Bernd
Format:	Artikel
Sprache:	eng
Schlagworte:	651312 > Nuclear Properties & Reactions, A=6-19, Theoretical-- Radioactive Decay-- (-1987) ALKALINE EARTH ISOTOPES ARGON 37 ARGON ISOTOPES BASIC INTERACTIONS BERYLLIUM 7 BERYLLIUM ISOTOPES BETA DECAY BETA DECAY RADIOISOTOPES COULOMB FIELD DAYS LIVING RADIOISOTOPES DECAY ELECTRIC FIELDS ELECTRON CAPTURE DECAY ELECTRON CAPTURE RADIOISOTOPES ELECTRON-ELECTRON INTERACTIONS EVEN-ODD NUCLEI FUNCTIONS HARTREE-FOCK METHOD INTERACTIONS ISOTOPES K CAPTURE L CAPTURE LEPTON-LEPTON INTERACTIONS LEPTONIC DECAY LIGHT NUCLEI MATRIX ELEMENTS NUCLEAR PHYSICS AND RADIATION PHYSICS NUCLEI PARTICLE DECAY PARTICLE INTERACTIONS RADIOISOTOPES SINGLE-PARTICLE MODEL WAVE FUNCTIONS WEAK INTERACTIONS WEAK PARTICLE DECAY 651412 > Nuclear Properties & Reactions, A=20-38, Theoretical-- Radioactive Decay-- (-1987)
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Zusammenfassung:	The effect of electron-electron Coulomb correlation on orbital-electron capture by the nucleus has been treated by the multiconfigurational Hartree-Fock approach. The theoretical Be-7 L /K capture ratio is found to be 0.086, and the Ar-37 M/L ratio, 0.102. Both ratios are smaller than the independent-particle predictions. Measurements exist for the Ar M/L ratio, and agreement between theory and experiment is excellent.
ISSN:	0031-9007
DOI:	10.1103/PhysRevLett.40.1423