β decay of the proton-rich [Formula Presented] nucleus, [Formula Presented]

M. Oinonen, A. Jokinen, J. Äystö, P. Baumann, F. Didierjean, A. Huck, M. Huyse, A. Knipper, G. Marguier, Yu Novikov, M. Ramdhane, D. M. Seliverstov, P. Van Duppen, G. Walter

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

β decay of the [Formula Presented] nuclide [Formula Presented] has been studied at the ISOLDE PSB Facility at CERN. [Formula Presented] ions were produced in spallation reactions in a Nb foil using the 1 GeV proton beam and studied by means of β-delayed proton, β- and γ-ray spectroscopy. The half-life and the β-decay energy of [Formula Presented] were determined using the decay of protons and positrons. These results: [Formula Presented] and [Formula Presented] and the first observation of the β branch to the 207 keV level in [Formula Presented] makes the extension of the systematics of Gamow-Teller matrix elements of mirror nuclei up to [Formula Presented] possible. The Gamow-Teller strength of the same magnitude as that of the [Formula Presented]-shell mirror nuclei is observed for the ground-state transition.

Original languageEnglish
Pages (from-to)745-752
Number of pages8
JournalPhysical Review C - Nuclear Physics
Volume56
Issue number2
DOIs
StatePublished - 1 Jan 1997

Scopus subject areas

  • Nuclear and High Energy Physics

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