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• W1608642897 endingPage "152" @default.
• W1608642897 startingPage "125" @default.
• W1608642897 abstract "We discuss the cooperative electron β-nuclear processes in atoms and molecules, including the excitation, ionization, electronic rearrangement, induced by the nuclear reactions and β-decay. The relativistic many-body perturbation theory (PT) with the optimized Dirac–Kohn–Sham (DKS) zeroth approximation is used to calculate the β-decay parameters for a number of allowed (superallowed) transitions (33P–33S, 241Pu–241Am, etc.) and study a chemical bond effect on β-decay parameters. A few factors are taken into account: changing the integration limits in the Fermi function integral, energy corrections for different chemical substances and the possibility of the bound β-decay or other decay channels. We studied the electronic rearrangement induced by nuclear transmutation in the β-decay ${}_{rm{2}}^{rm{6}} {rm{He}}_{rm{4}} to ({}_3^6 {rm{Li}}_{rm{3}}^{rm{ + }} )^* + e^ - + bar nu _e $ . The half-life period T 1 / 2 for β-decay of tritium atom (ion) has been estimated while taking into account the bound β-decay channel and some other accompanying effects. The estimated values of T 1 / 2 for the tritium β-decay and free triton decay are (T 1 / 2)a=12.26 years (correction due to the electron-atomic effects (Δ T 1 / 2/T 1 / 2) a =0.82%) for the tritium atom and (T 1 / 2) t =12.36 years for the triton decay. These data are in physically reasonable agreement with experimental data. We first present the value T 1 / 2 in a case of the β-decay in the halogen-containing molecular tritium (3HCl): (T 1 / 2) m =12.28 years (3HCl) and the correction due to the chemical bond effect is (Δ T 1 / 2) am =0.024 (i.e. 0.20%)." @default.
• W1608642897 created "2016-06-24" @default.
• W1608642897 creator A5001396415 @default.
• W1608642897 creator A5015320676 @default.
• W1608642897 creator A5046401622 @default.
• W1608642897 date "2009-01-01" @default.
• W1608642897 modified "2023-10-18" @default.
• W1608642897 title "Electron-β-Nuclear Spectroscopy of Atoms and Molecules and Chemical Bond Effect on the β-Decay Parameters" @default.
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