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25 April 2024

» arxiv » nucl-ex/0211013

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On the alpha activity of natural tungsten isotopes
F. A. Danevich ; A. Sh. Georgadze ; V. V. Kobychev ; S. S. Nagorny ; A. S. Nikolaiko ; O. A. Ponkratenko ; V. I. Tretyak ; S. Yu. Zdesenko ; Yu. G. Zdesenko ; P. G. Bizzeti ; T. F. Fazzini ; P. R. Maurenzig ;
Date:	14 Nov 2002
Journal:	Phys.Rev. C67 (2003) 014310
Subject:	nucl-ex
Abstract:	The indication for the alpha decay of 180-W with a half-life T1/2=1.1+0.8-0.4(stat)+-0.3(syst)x10^18 yr has been observed for the first time with the help of the super-low background 116-CdWO_4 crystal scintillators. In conservative approach the lower limit on half-life of 180-W has been established as T1/2>0.7x10^18 yr at 90% C.L. Besides, new T1/2 bounds were set for alpha decay of 182-W, 183-W, 184-W and 186-W at the level of 10^20 yr.
Source:	arXiv, nucl-ex/0211013
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