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Isospin Symmetry and Proton Decay: Identification of the 10+ Isomer in 54Ni

Författare:
  • Dirk Rudolph (Professor)
  • Robert Hoischen
  • Margareta Hellström (Docent)
  • S. Pietri
  • Zs. Podolyák
  • P. H. Regan
  • A. B. Garnsworthy
  • S. J. Steer
  • F. Becker
  • P. Bednarczyk
  • L. Caceres
  • P. Doornenbal
  • J. Gerl
  • M. Górska
  • J. Grebosz
  • I. Kojouharov
  • N. Kurz
  • W. Prokopowicz
  • H. Schaffner
  • H. J. Wollersheim
  • Lise-Lotte Andersson (Ms)
  • L. Atanasova
  • D. L. Balabanski
  • M. A. Bentley
  • A. Blazhev
  • C. Brandau
  • J. R. Brown
  • Claes Fahlander
  • Emma Johansson
  • A. Jungclaus
  • S. M. Lenzi
Publiceringsår: 2008
Språk: Engelska
Sidor:
Publikation/Tidskrift/Serie: Physical Review C
Volym: 78
Nummer: 2
Dokumenttyp: Artikel
Förlag: American Physical Society

Sammanfattning

The gamma decays from an isomeric 10+ state at 6457 keV in the nucleus 54Ni have been identified using the GSI fragment separator in conjunction with the RISING Ge-detector array. The state is interpreted as the isobaric analog of the 6527-keV 10+ isomer in 54Fe. The results are discussed in terms of isospin-dependent shell-model calculations. Clear evidence is presented for a discrete l = 5 proton decay branch into the first excited 9/2- state of the daughter 53Co. This decay is the first of its kind observed following projectile fragmentation reactions.

Disputation

Nyckelord

  • Physics and Astronomy

Övriga

Published
Yes
  • Nuclear Structure
  • ISSN: 0556-2813

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