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  • Bark, R A (author)

Coexistence of triaxial and prolate shapes in Ir-171

  • Article/chapterEnglish1999

Publisher, publication year, extent ...

  • 1999
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-178606
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-178606URI
  • https://doi.org/10.1016/S0375-9474(99)00319-XDOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

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

Notes

  • NV 20160114
  • Excited states in Ir-171 have been observed for the first time. Gamma-rays were assigned to the nucleus by the recoil-decay tagging method, The ground-state band has a structure consistent with an h(11/2) proton coupled to a core of large triaxial deformation. At high spins, a bandcrossing occurs which is interpreted as a change in shape to a prolate deformation, Band-mixing calculations are performed for Ir171-175. These show that shape-coexistence between triaxial and prolate states in these nuclei follows the same systematics found in their Pt and Os neighbours. The systematics are also compared with deformations calculated for Ir171-179 using the code "Ultimate Cranker". Dipole bands were also observed, but tilted axis cranking calculations suggest that they are associated with a collective rotation.

Subject headings and genre

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

  • Tormanen, S (author)
  • Bäck, Torbjörn (author)
  • Cederwall, Bo (author)
  • Odegard, S W (author)
  • Cocks, J F C (author)
  • Helariutta, K (author)
  • Jones, P (author)
  • Julin, R (author)
  • Juutinen, S (author)
  • Kankaanpaa, H (author)
  • Kettunen, H (author)
  • Kuusiniemi, P (author)
  • Leino, M (author)
  • Muikku, M (author)
  • Rahkila, P (author)
  • Savelius, A (author)
  • Bergstrom, M (author)
  • Ingebretsen, F (author)
  • Maj, A (author)
  • Mattiuzzi, M (author)
  • Mueller, W (author)
  • Riedinger, L L (author)
  • Saitoh, T (author)
  • Tjom, P O (author)

Related titles

  • In:Nuclear Physics A657:2, s. 113-1330375-94741873-1554

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