Experimental determination of some nuclear decay data in the decays of (177)Lu, (186)Re and (124)I.

A detailed experimental study of the radionuclides (177)Lu, (186)Re and (124)I was conducted at IFIN-HH, Radionuclide Metrology Laboratory. Absolute photon emission intensities in the decays of these radionuclides were measured by high-resolution gamma-ray spectrometry. Half-life measurements using a well-type ionization chamber were also performed. These new experimental results will be useful for the future updates of the existing nuclear decay data evaluations, offering reliable and accurate data for the users.