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Beta-decay properties of Si-25 and P-26

  • L Achouri
  • , J Aysto
  • , R Beraud
  • , B Blank*
  • , G Canchel
  • , S Czajkowski
  • , P Dendooven
  • , A Ensallem
  • , J Giovinazzo
  • , N Guillet
  • , J Honkanen
  • , A Jokinen
  • , A Laird
  • , M Lewitowicz
  • , C Longour
  • , FD Santos
  • , K Perajarvi
  • , M Stanoiu
  • *Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    67 Citations (Scopus)

    Abstract

    The beta-decay properties of the neutron-deficient nuclei Si-25 and P-26 have been investigated at the GANIL/LISE3 facility by means of charged-particle and gamma-ray spectroscopy. The decay schemes obtained and the Gamow-Teller strength distributions are compared to shell-model calculations based on the USD interaction. B(GT) values derived from the absolute measurement of the beta-decay branching ratios give rise to a quenching factor of the Gamow-Teller strength of 0.6. A precise half-life of 43.7 (6) ms was determined for (26)p, the beta-(2)p decay mode of which is described.

    Original languageEnglish
    Pages (from-to)419-435
    Number of pages17
    JournalEuropean Physical Journal A
    Volume21
    Issue number3
    DOIs
    Publication statusPublished - Sept-2004

    Keywords

    • SD-SHELL NUCLEI
    • GAMOW-TELLER STRENGTH
    • DELAYED-PROTON DECAY
    • ENERGY-LEVELS
    • LIGHT-NUCLEI
    • 2ND-CLASS CURRENTS
    • ASYMMETRY
    • MG-21
    • RATES
    • A=20

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