Charge radii of thallium isotopes near the 𝑁=126 shell closure
IDS Collaboration. (2024). Charge radii of thallium isotopes near the 𝑁=126 shell closure. Physical Review C, 110(3), Article 034315. https://doi.org/10.1103/physrevc.110.034315
Published in
Physical Review CAuthors
Date
2024Copyright
© Published by the American Physical Society
The changes in the mean-squared charge radius of 209Tl𝑔 (𝑁=128) and 207Tl𝑚 (𝑁=126) relative to 205Tl have been measured for the first time using the in-source laser resonance-ionization spectroscopy technique with the Laser Ion Source and Trap (LIST) at ISOLDE (CERN). The application of the LIST suppresses the dominant background from isobaric francium isotopes and allows access to thallium nuclides with 𝐴⩾207. The characteristic kink in the charge radii at the 𝑁=126 neutron shell closure, as well as the odd-even effect similar to that in the adjacent bismuth, lead, and mercury isotopic chains, have been observed. The self-consistent theory of finite Fermi systems based on the energy density functional by Fayans et al. reproduces the behavior of charge radii in these isotopic chains near 𝑁=126. The comparison with calculations in the framework of the relativistic mean field (RMF) approach is also presented. In the case of the Fayans functional it is a specific form of pairing interaction with the dependence on the density gradient that is essential to provide agreement with the experimental charge radii. In particular, the kink is reproduced without the inversion of 𝑔9/2 and 𝑖11/2 neutron single-particle states, which is a prerequisite to correctly describe the kink in the RMF models.
...
Publisher
American Physical Society (APS)ISSN Search the Publication Forum
2469-9985Keywords
Publication in research information system
https://converis.jyu.fi/converis/portal/detail/Publication/243058035
Metadata
Show full item recordCollections
Related funder(s)
European CommissionFunding program(s)
MSCA Innovative Training Networks (ITN); Research infrastructures, HE
The content of the publication reflects only the author’s view. The funder is not responsible for any use that may be made of the information it contains.
Additional information about funding
The research leading to these results has received funding from the European Union’s Horizon Europe Research and Innovation Programme under Grant Agreement No. 101057511. The work was supported by the STFC Grants No. ST/V001035/1, No. ST/V001108/1, No. ST/V001027/1, and No. ST/P004598/1, by the Romanian Nucleu Project No. PN 23 21 01 02 and IFA Grant No. CERN/ISOLDE, by the Research Foundation Flanders (FWO, Belgium), by BOF KU Leuven (Grant No. C14/22/104), by the Spanish funding agency MICIN/AEI 10.13039/501100011033 (FEDER, EU) via Projects No. RTI2018-098868-B-I00 and No. PID2021-126998OB-I00, by German BMBF under Contract No. 05P21PKCI1 and Verbundprojekt 05P2021, and by the Polish National Science Center under Grant No. 2020/39/B/ST2/02346, by the Polish Ministry of Education and Science under Contract No. 2021/WK/07. M.A. acknowledges funding from the European’s Union Horizon 2020 Research and Innovation Program under Grant Agreement No. 861198 project ‘LISA’ (Laser Ionization and Spectroscopy of Actinides) Marie Skłodowská-Curie Innovative Training Network (ITN). ...License
Related items
Showing items with similar title or keywords.
-
First Exploration of Monopole-Driven Shell Evolution above the N = 126 shell closure : new Millisecond Isomers in 213Tl and 215Tl
Yeung, T. T.; Morales, A. I.; Wu, J.; Liu, M.; Yuan, C.; Nishimura, S.; Phong, V. H.; Fukuda, N.; Tain, J. L.; Davinson, T.; Rykaczewski, K. P.; Yokoyama, R.; Isobe, T.; Niikura, M.; Podolyák, Zs.; Alcalá, G.; Algora, A.; Allmond, J. M.; Agramunt, J.; Appleton, C.; Baba, H.; Caballero-Folch, R.; Calvino, F.; Carpenter, M. P.; Dillmann, I.; Estrade, A.; Gao, T.; Griffin, C. J.; Grzywacz, R. K.; Hall, O.; Hirayama, Y.; Hue, B. M.; Ideguchi, E.; Kiss, G. G.; Kokubun, K.; Kondev, F. G.; Mizuno, R.; Mukai, M.; Nepal, N.; Nurhafiza, M. N.; Ohta, S.; Orrigo, S. E. A.; Pallàs, M.; Park, J.; Rasco, B. C.; Rodríguez-García, D.; Sakurai, H.; Sexton, L.; Shimizu, Y.; Suzuki, H.; Vitéz-Sveiczer, A.; Takeda, H.; Tarifeno-Saldivia, A.; Tolosa-Delgado, A.; Victoria, J. A.; Watanabe, Y. X.; Yap, J. M. (American Physical Society, 2024)Isomer spectroscopy of heavy neutron-rich nuclei beyond the N=126 closed shell has been performed for the first time at the Radioactive Isotope Beam Factory of the RIKEN Nishina Center. New millisecond isomers have been ... -
Isotope shifts from collinear laser spectroscopy of doubly charged yttrium isotopes
Vormawah, L. J.; Vilén, Markus; Beerwerth, R.; Campbell, P.; Cheal, B.; Dicker, A.; Eronen, Tommi; Fritzsche, S.; Geldhof, Sarina; Jokinen, Ari; Kelly, S.; Moore, Iain; Reponen, Mikael; Rinta-Antila, Sami; Stock, S. O.; Voss, Annika (American Physical Society, 2018)Collinear laser spectroscopy has been performed on doubly charged ions of radioactive yttrium in order to study the isotope shifts of the 294.6-nm 5s2S1/2→5p2P1/2 line. The potential of such an alkali-metal-like transition ... -
Effective axial-vector coupling in beta decay of mass region A = 100 - 134 isotopes
Pirinen, Pekka (2014)Tutkielmassa tarkastellaan massa-alueen A = 100 - 134 ytimien käyttäytymistä beetahajoamisessa käyttäen QRPA-formalismia. Tavoitteena oli tutkia heikon vuorovaikutuksen efektiivisen aksiaalivektorikytkentävakion gA ... -
Detailed spectroscopy of the neutron-deficient bismuth isotopes ¹⁹³,¹⁹⁵Bi
Herzáň, Andrej (University of Jyväskylä, 2015)Two experiments aiming to study the shape coexistence and competing structures in 193Bi and 195Bi isotopes have been performed at the Accelerator laboratory of the University of Jyv askyl a, Finland (JYFL). Many new ... -
Decay spectroscopy of the very neutron-deficient lead and thallium isotopes 178,179Pb and ¹⁷⁹Tl
Badran, Hussam (University of Jyväskylä, 2018)This thesis reports on the production of the very neutron-deficient isotopes 178,179Pb and 179Tl, using heavy-ion fusion-evaporation reactions. The gas-filled separator RITU and the GREAT spectrometer at its focal plane ...