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  • Ojala, JoonasUniversity of Jyväskylä (author)

Reassigning the shapes of the 0+ states in the 186Pb nucleus

  • Article/chapterEnglish2022

Publisher, publication year, extent ...

  • 2022-08-18
  • Springer Science and Business Media LLC,2022

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:9f8fd47e-4bcc-4679-9299-4eb52f5ba770
  • https://lup.lub.lu.se/record/9f8fd47e-4bcc-4679-9299-4eb52f5ba770URI
  • https://doi.org/10.1038/s42005-022-00990-4DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Across the physics disciplines, the 186Pb nucleus is the only known system, where the two first excited states, together with the ground state, form a triplet of zero-spin states assigned with prolate, oblate and spherical shapes. Here we report on a precision measurement where the properties of collective transitions in 186Pb were determined in a simultaneous in-beam γ-ray and electron spectroscopy experiment employing the recoil-decay tagging technique. The feeding of the 02+ state and the interband 22+→21+ transition have been observed. We also present direct measurement of the energies of the electric monopole transitions from the excited 0+ states to the 0+ ground state. In contrast to the earlier understanding, the obtained reduced transition probability B(E2;21+→02+) value of 190(80) W.u., the transitional quadrupole moment ∣Qt(21+→02+)∣=7.7(33) eb and intensity balance arguments provide evidence to reassign the 02+ and 03+ states with predominantly prolate and oblate shape, respectively. Our work demonstrates a step-up in experimental sensitivity and paves the way for systematic studies of electric monopole transitions in this region. These electric monopole transitions probe the nuclear volume in a unique manner and provide unexploited input for development of the next-generation energy density functional models.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Pakarinen, JanneUniversity of Jyväskylä (author)
  • Papadakis, PhilipposThe Cockcroft Institute,University of Jyväskylä (author)
  • Sorri, JuhaUniversity of Jyväskylä (author)
  • Sandzelius, MikaelUniversity of Jyväskylä (author)
  • Cox, Daniel M.Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,University of Jyväskylä,University of Liverpool(Swepub:lu)da3731co (author)
  • Auranen, KalleUniversity of Jyväskylä (author)
  • Badran, HussamUniversity of Jyväskylä (author)
  • Davies, Paul J.University of York (author)
  • Grahn, TuomasUniversity of Jyväskylä (author)
  • Greenlees, Paul T.University of Jyväskylä (author)
  • Henderson, JackUniversity of Surrey,University of York (author)
  • Herzáň, AndrejInstitute of Physics, Slovak Academy of Sciences,University of Jyväskylä (author)
  • Herzberg, Rolf DietmarUniversity of Liverpool (author)
  • Hilton, JoshuaUniversity of Jyväskylä,University of Liverpool (author)
  • Jakobsson, UlrikaUniversity of Jyväskylä (author)
  • Jenkins, David G.University of York (author)
  • Joss, David T.University of Liverpool (author)
  • Julin, RaunoUniversity of Jyväskylä (author)
  • Juutinen, SakariUniversity of Jyväskylä (author)
  • Kibédi, TiborAustralian National University (author)
  • Konki, JoonasUniversity of Jyväskylä (author)
  • Lane, Gregory J.Australian National University (author)
  • Leino, MattiUniversity of Jyväskylä (author)
  • Liimatainen, JarkkoUniversity of Jyväskylä (author)
  • McPeake, Christopher G.University of Liverpool,University of Jyväskylä (author)
  • Neuvonen, OlaviUniversity of Jyväskylä (author)
  • Page, Robert D.University of Liverpool (author)
  • Parr, EdwardUniversity of Liverpool (author)
  • Partanen, JariUniversity of Jyväskylä (author)
  • Peura, PauliUniversity of Jyväskylä (author)
  • Rahkila, PanuUniversity of Jyväskylä (author)
  • Revill, JohnUniversity of Liverpool (author)
  • Ruotsalainen, PanuUniversity of Jyväskylä (author)
  • Sarén, JanUniversity of Jyväskylä (author)
  • Scholey, CatherineUniversity of Jyväskylä (author)
  • Stolze, SannaUniversity of Jyväskylä (author)
  • Uusitalo, JuhaUniversity of Jyväskylä (author)
  • Ward, AndrewUniversity of Liverpool (author)
  • Wadsworth, RobertUniversity of York (author)
  • University of JyväskyläThe Cockcroft Institute (creator_code:org_t)

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  • In:Communications Physics: Springer Science and Business Media LLC5:12399-3650

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