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  • John, P. R. (author)

Shape evolution in the neutron-rich osmium isotopes : Prompt gamma-ray spectroscopy of Os-196

  • Article/chapterEnglish2014

Publisher, publication year, extent ...

  • 2014
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-153388
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-153388URI
  • https://doi.org/10.1103/PhysRevC.90.021301DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-233099URI

Supplementary language notes

  • Language:English
  • Summary in:English

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

Notes

  • QC 20141010
  • The shape transition in the neutron-rich Os isotopes is studied by investigating the neutron-rich Os-196 nucleus through in-beam gamma-ray spectroscopy using a two-proton transfer reaction from a Pt-198 target to a Se-82 beam. The beam-like recoils were detected and identified with the large-acceptance magnetic spectrometer PRISMA, and the coincident gamma rays were measured with the advanced gamma tracking array (AGATA) demonstrator. The de-excitation of the low-lying levels of the yrast-band of Os-196 were identified for the first time. The results are compared with state-of-the-art beyond-mean-field calculations, performed for the even-even Os188-198 isotopes. The new results suggest a smooth transition in the Os isotopes from a more axial rotational behavior towards predominately vibrational nuclei through triaxial configurations. An almost perfect gamma-unstable/triaxial rotor yrast band is predicted for Os-196 which is in agreement with the experimentally measured excited states.

Subject headings and genre

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

  • Modamio, V. (author)
  • Valiente-Dobon, J. J. (author)
  • Mengoni, D. (author)
  • Lunardi, S. (author)
  • Rodriguez, T. R. (author)
  • Bazzacco, D. (author)
  • Gadea, A. (author)
  • Wheldon, C. (author)
  • Alexander, T. (author)
  • de Angelis, G. (author)
  • Ashwood, N. (author)
  • Barr, M. (author)
  • Benzoni, G. (author)
  • Birkenbach, B. (author)
  • Bizzeti, P. G. (author)
  • Bizzeti-Sona, A. M. (author)
  • Bottoni, S. (author)
  • Bowry, M. (author)
  • Bracco, A. (author)
  • Browne, F. (author)
  • Bunce, M. (author)
  • Camera, F. (author)
  • Cederwall, BoKTH,Kärnfysik(Swepub:kth)u15ywilj (author)
  • Corradi, L. (author)
  • Crespi, F. C. L. (author)
  • Desesquelles, P. (author)
  • Eberth, J. (author)
  • Farnea, E. (author)
  • Fioretto, E. (author)
  • Goergen, A. (author)
  • Gottardo, A. (author)
  • Grebosz, J. (author)
  • Grente, L. (author)
  • Hess, H. (author)
  • Jungclaus, A. (author)
  • Kokalova, Tz. (author)
  • Korichi, A. (author)
  • Korten, W. (author)
  • Kusoglu, A. (author)
  • Lenzi, S. (author)
  • Leoni, S. (author)
  • Ljungvall, J. (author)
  • Maron, G. (author)
  • Meczynski, W. (author)
  • Melon, B. (author)
  • Menegazzo, R. (author)
  • Michelagnoli, C. (author)
  • Mijatovic, T. (author)
  • Million, B. (author)
  • Molini, P. (author)
  • Montagnoli, G. (author)
  • Montanari, D. (author)
  • Napoli, D. R. (author)
  • Nolan, P. (author)
  • Oziol, Ch. (author)
  • Podolyak, Zs. (author)
  • Pollarolo, G. (author)
  • Pullia, A.Uppsala universitet,Institutionen för fysik och astronomi (author)
  • Quintana, B. (author)
  • Recchia, F. (author)
  • Reiter, P. (author)
  • Roberts, O. J. (author)
  • Rosso, D. (author)
  • Sahin, E. (author)
  • Salsac, M. -D (author)
  • Scarlassara, F. (author)
  • Sferrazza, M. (author)
  • Simpson, J. (author)
  • Soderstrom, P. -A (author)
  • Stefanini, A. M. (author)
  • Stezowski, O. (author)
  • Szilner, S. (author)
  • Theisen, Ch. (author)
  • Ur, C. A. (author)
  • Walshe, J. (author)
  • KTHKärnfysik (creator_code:org_t)

Related titles

  • In:Physical Review C. Nuclear Physics90:2, s. 021301-0556-28131089-490X

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