Claes Fahlander
Professor emeritus
Isospin Symmetry and Proton Decay: Identification of the 10+ Isomer in 54Ni
Author
Summary, in English
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.
Department/s
- Nuclear physics
- Dept of Physical Geography and Ecosystem Science
Publishing year
2008
Language
English
Publication/Series
Physical Review C (Nuclear Physics)
Volume
78
Issue
2
Document type
Journal article
Publisher
American Physical Society
Topic
- Subatomic Physics
Status
Published
Project
- Isotope-selective Spectroscopy: Fast Timing R&D and fp-Shell Mirror Isomers
Research group
- Nuclear Structure
ISBN/ISSN/Other
- ISSN: 0556-2813