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New lifetime limits on the charge non-conserving (CNC) electron capture with excitation of the 417.9 keV nuclear level in the 127 I are established by using the coincidence technique. The analysed exposure is 0.87 ton × yr, collected deep underground at the Gran Sasso National Laboratory of the INFN by the highly radiopure DAMA/LIBRA setup (≈250 kg of highly radiopure NaI(Tl)). The new limit on the mean life is τ > 1.2 × 10 24 yr (90 % C.L.), about one order of magnitude larger than thosedoi:10.1140/epjc/s10052-012-1920-6 fatcat:2fypcay7gffu7hz4jbk7goorsi