New limits on the $\beta^{+}$EC and ECEC processes in $^{120}$Te

A S Barabash; F Hubert; Ph Hubert; V Umatov

doi:10.1088/0954-3899/34/7/012

New limits on the $\beta^{+}$EC and ECEC processes in $^{120}$Te

Nuclear Experiment 2008-11-26 v2

Authors: A S Barabash , F Hubert , Ph Hubert , V Umatov

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Abstract

New limits on the double beta processes for $^{120}$ Te have been obtained using a 400 cm $^3$ HPGe detector and a source consisting of natural Te0 $_2$ powder. At a confidence level of 90% the limits are $0.19\times 10^{18}$ y for the $\beta^+$ EC $(0\nu + 2\nu)$ transition to the ground state, $0.75\times 10^{18}$ y for the ECEC $(0\nu + 2\nu)$ transition to the first 2 $^+$ excited state of $^{120}$ Sn (1171.26 keV) and $(0.19-0.6)\times 10^{18}$ y for different ECEC( $0\nu$ ) captures to the ground state of $^{120}$ Sn.

Cite

@article{arxiv.nucl-ex/0703020,
  title  = {New limits on the $\beta^{+}$EC and ECEC processes in $^{120}$Te},
  author = {A S Barabash and F Hubert and Ph Hubert and V Umatov},
  journal= {arXiv preprint arXiv:nucl-ex/0703020},
  year   = {2008}
}

Comments

9 pages, 4 figures; v2: minor changes

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