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  • Parr, E.University of the West of Scotland (author)

Single-particle states and parity doublets in odd- Z Ac 221 and Pa 225 from α -decay spectroscopy

  • Article/chapterEnglish2022

Publisher, publication year, extent ...

  • 2022

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:49cb9a66-97b9-4d24-a681-490a0a2e5a21
  • https://lup.lub.lu.se/record/49cb9a66-97b9-4d24-a681-490a0a2e5a21URI
  • https://doi.org/10.1103/PhysRevC.105.034303DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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Classification

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

Notes

  • Low-lying states in the odd-Z isotopes Ac13289221 and Pa13491225 have been studied using α-particle and αγ-coincidence spectroscopy in the Pa225→Ac221→Fr217 decay chain. Ground-state spin and parity assignments of Iπ = 5/2- are proposed for both Ac221 and Pa225, with the odd proton occupying the ω = 5/2 orbital of the quadrupole-octupole deformed shell model in both nuclei. In Ac221, excited states in the bands based on the ω = 5/2 and ω = 3/2 orbitals have been identified, including proposed parity-doublet states. The results suggest that reflection-asymmetric deformation of the ground state persists in the odd-A members of the isotope chains down to N = 132 for Ac and N = 134 for Pa, before reaching the transitional region at N = 130.

Subject headings and genre

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

  • Smith, J. F.University of the West of Scotland (author)
  • Greenlees, P. T.University of Jyväskylä (author)
  • Butler, P. A.University of Liverpool (author)
  • Auranen, K.University of Jyväskylä (author)
  • Chapman, R.University of the West of Scotland (author)
  • Cox, D. 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(Swepub:lu)da3731co (author)
  • Cullen, D. M.University of Manchester (author)
  • Gaffney, L. P.University of Liverpool,University of the West of Scotland (author)
  • Grahn, T.University of Jyväskylä (author)
  • Gregor, E. T.University of the West of Scotland (author)
  • Grocutt, L.University of the West of Scotland (author)
  • Herzáň, A.Institute of Physics, Slovak Academy of Sciences,University of Jyväskylä (author)
  • Herzberg, R. D.University of Liverpool (author)
  • Hodge, D.University of Manchester (author)
  • Jakobsson, U.University of Jyväskylä (author)
  • Julin, R.University of Jyväskylä (author)
  • Juutinen, S.University of Jyväskylä (author)
  • Keatings, J. M.University of the West of Scotland (author)
  • Konki, J.University of Jyväskylä (author)
  • Leino, M.University of Jyväskylä (author)
  • McKee, P. P.University of the West of Scotland (author)
  • McPeake, C.University of Liverpool (author)
  • Mengoni, D.INFN Section of Padova (author)
  • Mistry, A. K.Technical University of Darmstadt,University of Liverpool (author)
  • Singh, B. S.NaraUniversity of Manchester,University of the West of Scotland (author)
  • O'Neill, G. G.University of Liverpool (author)
  • Pakarinen, J.University of Jyväskylä (author)
  • Papadakis, P.University of Jyväskylä (author)
  • Partanen, J.University of Jyväskylä (author)
  • Peura, P.University of Jyväskylä (author)
  • Rahkila, P.University of Jyväskylä (author)
  • Ruotsalainen, P.University of Jyväskylä (author)
  • Sandzelius, M.University of Jyväskylä (author)
  • Sarén, J.University of Jyväskylä (author)
  • Scheck, M.University of the West of Scotland (author)
  • Scholey, C.University of Jyväskylä (author)
  • Siciliano, M.INFN Section of Padova,University of Jyväskylä,Argonne National Laboratory (author)
  • Smolen, M.University of the West of Scotland (author)
  • Sorri, J.University of Jyväskylä (author)
  • Spagnoletti, P.University of the West of Scotland (author)
  • Spohr, K. M.University of the West of Scotland,Horia Hulubei National Institute for Physics and Nuclear Engineering (IFIN-HH) (author)
  • Stolze, S.University of Jyväskylä (author)
  • Taylor, M. J.University of Manchester (author)
  • Uusitalo, J.University of Jyväskylä (author)
  • University of the West of ScotlandUniversity of Jyväskylä (creator_code:org_t)

Related titles

  • In:Physical Review C105:32469-9985

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