The low-spin structure of one-proton, one-neutron 210Bi nucleus was investigated in cold-neutron capture reaction on 209Bi. The γ-coincidence measurements were performed with use of EXILL array consisted of 16 HPGe detectors. The experimental results were compared to shell-model calculations involving valence particles excitations. The 210Bi nucleus offers the potential to test the effective proton-neutron interactions because most of the states should arise from the proton-neutron excitations. Additionally, it was discovered that a few states should come from the couplings of valence particles to the 3- octupole vibration in 208Pb which provides also the possibility of testing the calculations involving the core excitations.

Excitations of one-valence-proton, one-valence-neutron nucleus 210Bi from cold-neutron capture / N. Cieplicka-Oryńczak, B. Fornal, S. Leoni, D. Bazzacco, A. Blanc, G. Bocchi, S. Bottoni, G. De France, M. Jentschel, U. Köster, P. Mutti, G. Simpson, T. Soldner, B. Szpak, C. Ur, W. Urban (AIP CONFERENCE PROCEEDINGS). - In: Nuclear Structure And Dynamics / [a cura di] M. Lipoglavsek, M. Milin, T. Niksic, S. Szilner, D. Vretenar. - [s.l] : American Institute of Physics, 2015. - ISBN 9780735413283. (( Intervento presentato al 3. convegno International Conference on Nuclear Structure and Dynamics : June, 14th - 19th tenutosi a Portoroz (Slovenia) nel 2015 [10.1063/1.4932297].

Excitations of one-valence-proton, one-valence-neutron nucleus 210Bi from cold-neutron capture

S. Leoni;G. Bocchi;S. Bottoni;
2015

Abstract

The low-spin structure of one-proton, one-neutron 210Bi nucleus was investigated in cold-neutron capture reaction on 209Bi. The γ-coincidence measurements were performed with use of EXILL array consisted of 16 HPGe detectors. The experimental results were compared to shell-model calculations involving valence particles excitations. The 210Bi nucleus offers the potential to test the effective proton-neutron interactions because most of the states should arise from the proton-neutron excitations. Additionally, it was discovered that a few states should come from the couplings of valence particles to the 3- octupole vibration in 208Pb which provides also the possibility of testing the calculations involving the core excitations.
Physics and Astronomy (all)
Settore FIS/04 - Fisica Nucleare e Subnucleare
Book Part (author)
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2434/565597
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