Published in
Elsevier, Nuclear Physics A, (875), p. 1-7
DOI: 10.1016/j.nuclphysa.2011.11.008
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Probing the nuclide 180W for neutrinoless double-electron capture exploration
,
S. Eliseev,
E. Minaya Ramirez,
F. Herfurth,
E. Minaya Ramirez,
Yu N. Novikov,
Y.-U. N. Novikov,
L. Schweikhard,
V. M. Shabaev,
I. I. Tupitsyn ,
S. Wycech,
K. Zuber,
N. A. Zubova
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Abstract
The mass difference of the nuclides 180W and 180Hf has been measured with the Penning-trap mass spectrometer SHIPTRAP to investigate 180W as a possible candidate for the search for neutrinoless doubleelectron capture. The Q-value was measured to 143.20(27)keV. This value in combination with the calculations of the atomic electron wave functions and other parameters results in a half-life of the 0+ → 0+ ground-state to ground-state double-electron capture transition of approximately 5⋅10E27 years/^2.