The Half-Life of the Beta Decay 115In (9/2+) -> 115Sn (3/2+)
The half-life of the rare beta- decay of 115In (9/2+) to 115Sn (3/2+) was determined by measuring the subsequent 497.334(22) keV gamma-ray emission in a high-purity indium sample. The measurements were carried out by means of ultralow-level gamma-ray spectrometry in the HADES underground laboratory, using three different high-purity germanium detectors. The value of the partial half-life for this low-Q- beta transition was measured to be 4.3(5) ×1020 yr.
ANDREOTTI Erica;
HULT Mikael;
GONZALEZ DE ORDUNA Raquel;
MARISSENS Gerd;
WIESLANDER E.;
MISIASZEK M.;
2011-12-01
AMER PHYSICAL SOC
JRC61071
0556-2813,
http://link.aps.org/doi/10.1103/PhysRevC.84.044605,
https://publications.jrc.ec.europa.eu/repository/handle/JRC61071,
10.1103/PhysRevC.84.044605,
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