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

Thomas JC; Achouri L; Aysto J; Beraud R; Blank B; Canchel G; Czajkowski S; Dendooven P; Ensallem A; Giovinazzo J

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

机译：Si-25和P-26的Beta衰减特性

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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.

机译：在GANIL / LISE3设施中，已通过带电粒子和伽马射线光谱学研究了中子缺陷核Si-25和P-26的β衰变特性。将获得的衰减方案和Gamow-Teller强度分布与基于USD相互作用的壳模型计算进行比较。从β衰变分支比的绝对测量值得出的B（GT）值导致Gamow-Teller强度的猝灭因子为0.6。确定了（26）p的43.7（6）ms的精确半衰期，其中描述了beta-（2）p衰减模式。

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《The European Physical Journal, A. Hadrons and Nuclei》 |2004年第3期|共17页
作者
Thomas JC; Achouri L; Aysto J; Beraud R; Blank B; Canchel G; Czajkowski S; Dendooven P; Ensallem A; Giovinazzo J;
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正文语种 eng
中图分类原子核物理学;
关键词
SD-SHELL NUCLEI; GAMOW-TELLER STRENGTH; DELAYED-PROTON DECAY; ENERGY-LEVELS; LIGHT-NUCLEI; 2ND-CLASS CURRENTS; ASYMMETRY; MG-21; RATES; A=20;

机译：SD-壳核;高勒强度;延迟质子衰变;能级;轻核;2级流;对称性;MG-21;速率;A = 20;

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

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