Beta-decay properties of25Siand26P.

Authors :: Thomas, J.-C.
Achouri, L.
Äystö, J.
Béraud, R.
Blank, B.
Canchel, G.
Czajkowski, S.
Dendooven, P.
Ensallem, A.
Giovinazzo, J.
Guillet, N.
Honkanen, J.
Jokinen, A.
Laird, A.
Lewitowicz, M.
Longour, C.
de Oliveira Santos, F.
Peräjärvi, K.
Stanoiu, M.
Source :: European Physical Journal A -- Hadrons & Nuclei; Sep2004, Vol. 21 Issue 3, p419-435, 17p
Publication Year :: 2004
Abstract: The β-decay properties of the neutron-deficient nuclei <superscript>25</superscript>Si and <superscript>26</superscript>P have been investigated at the GANIL/LISE3 facility by means of charged-particle and γ-ray spectroscopy. The decay schemes obtained and the GamowTeller strength distributions are compared to shell-model calculations based on the USD interaction. B(GT) values derived from the absolute measurement of the β-decay branching ratios give rise to a quenching factor of the GamowTeller strength of 0.6. A precise half-life of 43.7 (6) ms was determined for <superscript>26</superscript>P, the β-(2)p decay mode of which is described. [ABSTRACT FROM AUTHOR]