Disentangling decaying isomers and searching for signatures of collective excitations in β decay
Guadilla, V., Fallot, M., Algora, A., Tain, J. L., Agramunt, J., Äystö, J., Briz, J. A., Cucoanes, A., Eronen, T., Estienne, M., Fraile, L. M., Ganioǧlu, E., Gelletly, W., Gorelov, D., Hakala, J., Jokinen, A., Jordan, D., Kankainen, A., Kolhinen, V., . . . Zakari-Issoufou, A.A. (2020). Disentangling decaying isomers and searching for signatures of collective excitations in β decay. In INPC2019 : 27th International Nuclear Physics Conference (Article 012134). IOP Publishing Ltd. Journal of Physics : Conference Series, 1643. https://doi.org/10.1088/1742-6596/1643/1/012134
Julkaistu sarjassa
Journal of Physics : Conference SeriesPäivämäärä
2020Tekijänoikeudet
© Authors, 2020
In this contribution we summarize the recent study of the β decay of neutron-rich nuclei with isomeric states close in energy to the ground states. The disentanglement of each pair of β-decaying states was achieved by applying different strategies and using the purification capabilities of the JYFLTRAP double Penning trap system at the Ion Guide Isotope Separator On-Line facility in Jyvaskyla. The Total Absorption γ-ray Spectroscopy technique was employed to determine the β intensity probabilities populating the excited states in the daughter nuclei. Previously undetected β intensity was found and we have already evaluated the impact of part of these results on reactor summation calculations. The possibility to populate states associated with the Pygmy Dipole Resonance in the β decay of 96gsY has also been investigated thanks to the sensitivity of our technique to high-lying strength in the daughter nuclei.
Julkaisija
IOP Publishing LtdKonferenssi
International Nuclear Physics ConferenceKuuluu julkaisuun
INPC2019 : 27th International Nuclear Physics ConferenceISSN Hae Julkaisufoorumista
1742-6588Asiasanat
Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/47783087
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Rahoittaja(t)
Euroopan komissioRahoitusohjelmat(t)
EU:n 7. puiteohjelma (FP7)
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Lisätietoja rahoituksesta
This work has been supported by the CNRS challenge NEEDS and the associated NACRE project, as well as by the Spanish Ministerio de Economía y Competitividad under Grants No. FPA2011-24553, No. AIC-A-2011-0696, No. FPA2014-52823-C2-1-P, No. FPA2015-65035-P, No. FPI/BES-2014-068222, No. FPA2017-83946-C2-1-P and the program Severo Ochoa (SEV-2014-0398), by the Spanish Ministerio de Educación under t ...
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