Elsevier

Nuclear Physics A

Volume 213, Issue 1, 8 October 1973, Pages 173-199
Nuclear Physics A

Das Niveauschema von 47V aus dem γ-zerfall von Analogresonanzen

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Abstract

A high-accuracy investigation of the level scheme of 47V has been performed using the 46Ti(p, γ)47V reaction. The γ-decay schemes of the strong (p, γ) resonances at Ep = 1546, 1549, 1565 and 1572 keV lead to 17 new energy levels in 47V with excitation energies between 2.7 and 5.1 MeV. From the (p,γ) angular distributions mixing ratios of the primary γ-transitions and Jπ values of the resonances and of many states populated in the γ-decay have been determined. The total width of the Ep = 1549, 1565 and 1572 keV resonances for γ-decay are found to be Γγ = 0.12, 0.15 and 0.03 eV, respectively. The Q-value of the 46Ti(p,γ)47V reaction is found to be 5168.6 keV. The two resonances at Ep = 1549 and 1565 keV, which have Jπ = 32, are interpreted as fine structure components of the analogue state of the E = 2.545 MeV Jπ = 32 level in 47Ti while the (72) resonance at Ep = 1546 keV might correspond to the E = 2.615 MeV 72 parent state in 47Ti. The analogue-antianalogue M1 transition strength of the split 32 analogue state is 0.01 single-particle units and fits well into our systematics of IAS → AIAS transitions in fp-shell nuclei.

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    Jetzt Max Planck Institut für Kernphysik, Heidelberg.

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