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In-beam gamma-ray spectroscopy of very neutron-rich nuclei: excited states in 46S and 48Ar
- Source :
- Physical review letters. 102(18)
- Publication Year :
- 2009
-
Abstract
- We report on the first in-beam gamma-ray spectroscopy study of the very neutron-rich nucleus 46S. The N=30 isotones 46S and 48Ar were produced in a novel way in two steps that both necessarily involve nucleon exchange and neutron pickup reactions 9Be(48Ca,48K)X followed by 9Be(48K,48Ar+gamma)X at 85.7 MeV/u midtarget energy and 9Be(48Ca,46Cl)X followed by 9Be(46Cl,46S+gamma)X at 87.0 MeV/u midtarget energy, respectively. The results are compared to large-scale shell-model calculations in the sd-pf shell using the SDPF-NR effective interaction and Z-dependent modifications.
Details
- ISSN :
- 00319007
- Volume :
- 102
- Issue :
- 18
- Database :
- OpenAIRE
- Journal :
- Physical review letters
- Accession number :
- edsair.pmid..........6dab78b74ee1e5fe3a34bf497d62d934