New limits on naturally occurring electron capture of 123 Te

  title={New limits on naturally occurring electron capture of 123 Te},
  author={A. Alessandrello and C. Arnaboldi and C. Brofferio and S. Capelli and O. Cremonesi and E. Fiorini and A. Nucciotti and M. Pavan and G. Pessina and S. Pirr{\`o} and E. Previtali and M. Sisti and M. Vanzini and L. Zanotti and A. Giuliani and M. Pedretti and C. Bucci and C. Pobes},
  journal={Physical Review C},
  • A. Alessandrello, C. Arnaboldi, +15 authors C. Pobes
  • Published 2003
  • Physics
  • Physical Review C
  • Electron capture of ${}^{123}\mathrm{Te}$ from the K shell has been investigated in a new underground search with an array of 340-g ${\mathrm{TeO}}_{2}$ thermal detectors. We find that some previous indication of this decay could be attributed to electron capture (EC) of ${}^{121}\mathrm{Te}$ resulting from neutron activation of natural tellurium. There is therefore so far no evidence for EC of ${}^{123}\mathrm{Te}$ from the K shell with a 90% C.L. lower limit ${t}_{1/2}^{K}g5\ifmmode\times… CONTINUE READING
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