The (0ν, EC, EC) double β decay of 54Fe was investigated. An upper limit on the half-life T>4.4×1020yr (at 68% confidence level) was derived.
DOI:https://doi.org/10.1103/PhysRevC.58.2566
©1998 American Physical Society
I. Bikit, M. Krmar, J. Slivka, M. Vesković, and Lj. Čonkić
I. Aničin
Vol. 58, Iss. 4 — October 1998
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