The decay of proton-rich nuclei in the mass A = 36 – 56 region

In a series of experiments at the SISSI/LISE3 facility of GANIL conducted between 1999 and 2004, we have collected decay information for proton-rich nuclei between 36Ca and 56Zn. The data allowed us to study the decay properties of 26 nuclei. The main experimental information obtained for all nuclei...

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Bibliographic Details
Published in:Nuclear physics. A 2007-01, Vol.792 (1), p.18-86
Main Authors: Dossat, C., Adimi, N., Aksouh, F., Becker, F., Bey, A., Blank, B., Borcea, C., Borcea, R., Boston, A., Caamano, M., Canchel, G., Chartier, M., Cortina, D., Czajkowski, S., de France, G., de Oliveira Santos, F., Fleury, A., Georgiev, G., Giovinazzo, J., Grévy, S., Grzywacz, R., Hellström, M., Honma, M., Janas, Z., Karamanis, D., Kurcewicz, J., Lewitowicz, M., López Jiménez, M.J., Mazzocchi, C., Matea, I., Maslov, V., Mayet, P., Moore, C., Pfützner, M., Pravikoff, M.S., Stanoiu, M., Stefan, I., Thomas, J.C.
Format: Article
Language:English
Subjects:
39<=A<=58
BRANCHING RATIO
DECAY
Decay by proton emission
GANIL CYCLOTRON
HALF-LIFE
MULTIPLETS
nuclear energy levels
Nuclear Experiment
NUCLEI
Other topics in radioactive decay and in-beam spectroscopy
PARTICLE ACCELERATORS
Physics
Properties of nuclei
PROTONS
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Summary:In a series of experiments at the SISSI/LISE3 facility of GANIL conducted between 1999 and 2004, we have collected decay information for proton-rich nuclei between 36Ca and 56Zn. The data allowed us to study the decay properties of 26 nuclei. The main experimental information obtained for all nuclei is their β-decay half-life and their total β-delayed proton emission branching ratio. For many nuclei, individual proton groups and γ rays were identified and allowed us to establish first partial decay schemes for some of the nuclei studied. In addition, mass-excess values have been determined for some of the nuclei by means of the isobaric multiplet mass equation. For 50Ni, the decay via β-delayed two-proton emission could be tentatively identified. The decay of 49Ni allowed for the first time to identify the first 2 + state in 48Fe. The experimental data are confronted to model predictions for the half-life and the mass-excess values.
ISSN:0375-9474
DOI:10.1016/j.nuclphysa.2007.05.004