A1 Journal article (refereed)
Decay spectroscopy of 179 82 Pb 97 and evidence for a 9/2− intruder state in 179 81 Tl 98 (2017)


Badran, H., Scholey, C., Uusitalo, J., Auranen, K., Grahn, T., Greenlees, P., . . . Stolze, S. (2017). Decay spectroscopy of 179 82 Pb 97 and evidence for a 9/2− intruder state in 179 81 Tl 98. Physical Review C, 96 (6), 064314. doi:10.1103/PhysRevC.96.064314


JYU authors or editors


Publication details

All authors or editors: Badran, Hussam; Scholey, Catherine; Uusitalo, Juha; Auranen, Kalle; Grahn, Tuomas; Greenlees, Paul; Herzan, Andrej; Jakobsson, Ulrika; Julin, Rauno; Juutinen, Sakari; et al.

Journal or series: Physical Review C

ISSN: 2469-9985

eISSN: 2469-9993

Publication year: 2017

Volume: 96

Issue number: 6

Article number: 064314

Publisher: American Physical Society

Publication country: United States

Publication language: English

DOI: http://doi.org/10.1103/PhysRevC.96.064314

Open Access: Publication channel is not openly available

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/56584


Abstract

The very neutron-deficient isobars 179Pb and 179Tl have been produced using the fusion-evaporation reactions 104Pd(78Kr,xpyn), where x≤1 and y≥2. The gas-filled separator RITU was employed to transport and separate the recoiling nuclei of interest from the scattered beam and unwanted products. The GREAT spectrometer was used to study the decay properties through α−α and α−γ correlations, which has allowed the ground state of 179Pb to be assigned as Iπ=9/2−. The decay of 179Pb was measured to have an α-particle energy and half-life of Eα=7348(5)keV and t1/2=2.7(2) ms, respectively. A search for a νi13/2 state in 179Pb was performed, but only a limit of excitation energy and half-life was obtained. In 179Tl a t1/2=114+18−10 ns isomeric state, likely at an excitation energy of 904.5(9) keV, was identified and is tentatively assigned to be a 9/2− proton intruder state.


Free keywords: nuclear structures; decays


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Related projects

Muotojen rinnakkaiselo ja kollektiivisuus raskaissa ytimissä
Pakarinen, Janne
Academy of Finland
01/09/2012-31/08/2017


Ministry reporting: Yes

Reporting Year: 2017

JUFO rating: 2


Last updated on 2020-18-10 at 18:06