JYFL-ACCLAB-JM29 In-beam spectroscopy and recoil-beta tagging study of the Tz = -1 nucleus 70Kr


Auranen, Kalle; Briscoe, Andrew; Kankainen, Anu; Pakarinen, Janne; Greenlees, Paul; Ge, Zhuang; Julin, Rauno; Romero Fernández, Jorge; Uusitalo, Juha; Grahn, Tuomas; Rahkila, Panu; Saren, Jan et al. (2024). JYFL-ACCLAB-JM29 In-beam spectroscopy and recoil-beta tagging study of the Tz = -1 nucleus 70Kr. V. 22.2.2021. University of Jyväskylä. https://doi.org/10.23729/48d8d431-e698-4fb0-8cc0-01735a3fb11b.


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All authors: Auranen, Kalle; Briscoe, Andrew; Kankainen, Anu; Pakarinen, Janne; Greenlees, Paul; Ge, Zhuang; Julin, Rauno; Romero Fernández, Jorge; Uusitalo, Juha; Grahn, Tuomas; Rahkila, Panu; Saren, Jan; Luoma, Minna; Tolosa Delgado, Alvaro; Ojala, Joonas; Raggio, Andrea; Illana Sison, Andres; Joukainen, Henna; Ruotsalainen, Panu; Jutila, Henri; Louko, Jussi; Stryjczyk, Marek; Zimba, George; Zadvornaya, Alexandra; de Angelis, Giacomo; Jenkins, David; Wadsworth, Robert

Contact information: jyfl-acclab-data@jyu.fi

Funders: European Commission; Research Council of Finland

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Availability and identifiers

Availability: Direct download (Embargo date: 31/12/2024)

Publication year: 2024

DOI identifier in original repository: https://doi.org/10.23729/48d8d431-e698-4fb0-8cc0-01735a3fb11b


Description of the dataset

Description: Excited states in the 70Kr and 70Br nuclei were populated via the 40Ca(32S,2n)70Kr and 40Ca(32S,pn)70Br fusion-evaporation reactions at the Accelerator Laboratory of the University of Jyväskylä. The 2+ -> 0+ and 4+ -> 2+ transitions in 70Kr have been found to be 881(1) keV and (tentatively) 1037(2) keV, respectively. Several new gamma-ray transitions were also identified in 70Br, and the T = 1 band has been tentatively extended up to J=10+. The newly observed transitions in 70Kr and 70Br resolve discrepancies in the previously reported results for these nuclei. The experimental Coulomb, triplet, and mirror energy differences are compared with the results of two independent shell-model calculations. The comparisons aim to investigate the shape evolution and the role of the isospin breaking interactions in this mass region.

Language: English

Free keywords: nuclear spectroscopy; recoil-decay tagging; recoil-beta tagging; isospin-symmetry breaking; N=Z nuclei

Keywords (YSO): nuclear physics

Fields of science: 114 Physical sciences

Follow-up groups: Accelerator Laboratory (Department of Physics PHYS, JYFL) JYFL-ACCLAB; Accelerator and Subatomic Physics (University of Jyväskylä JYU)

Do you deal with data concerning special categories of personal data in your research?: No


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Last updated on 2024-21-05 at 15:24