Article

Hyperfine Interactions

, Volume 223, Issue 1, pp 157-166

High-precision half-life measurements of atomic nuclei

  • B. BlankAffiliated withCentre d’Études Nucléaires de Bordeaux Gradignan - Université Bordeaux 1 - UMR 5797 CNRS/IN2P3 Email author 
  • , A. BacquiasAffiliated withCentre d’Études Nucléaires de Bordeaux Gradignan - Université Bordeaux 1 - UMR 5797 CNRS/IN2P3
  • , G. CanchelAffiliated withCentre d’Études Nucléaires de Bordeaux Gradignan - Université Bordeaux 1 - UMR 5797 CNRS/IN2P3
  • , J. GiovinazzoAffiliated withCentre d’Études Nucléaires de Bordeaux Gradignan - Université Bordeaux 1 - UMR 5797 CNRS/IN2P3
  • , T. Kurtukian NietoAffiliated withCentre d’Études Nucléaires de Bordeaux Gradignan - Université Bordeaux 1 - UMR 5797 CNRS/IN2P3
  • , I. MateaAffiliated withCentre d’Études Nucléaires de Bordeaux Gradignan - Université Bordeaux 1 - UMR 5797 CNRS/IN2P3
  • , J. SouinAffiliated withCentre d’Études Nucléaires de Bordeaux Gradignan - Université Bordeaux 1 - UMR 5797 CNRS/IN2P3

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Abstract

In a series of measurements performed at the IGISOL facility at the Accelerator Laboratory of the University of Jyväskylä, the half-lives of 26Si, 29P, 30,31S, 42Ti and 62Ga were measured with high precision. These half-lives are important ingredients for tests of the weak-interaction standard model and allow, together with other experimental inputs and theoretical correction terms, the determination of the vector coupling constant of the weak interaction. The IGISOL method used in Jyväkylä is an ideal tool for these measurements as it allows to access all elements without distinction of their chemical properties.

Keywords

High-precision half-life measurements Weak interaction Conserved vector current