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Published on: May 3, 2019
Precision measurement of photon emission probabilities in 177Lu
Deepa Seetharaman1, K Vijay Sai1, K Madhusudhana Rao2
1Department of Physics, Sri Sathya Sai Institute of Higher Learning, Prasanthinilayam, India.
None:
The beta emitting radioisotope 177Lu (t½ = 6.6443 d), one of emerging pharmaceutical radionuclides, is a useful tool for radio therapeutic applications. It has intense and well-spaced gamma rays in the low energy region, and can also be used for detector calibration in the low energy region. Six gamma rays with energies lying between 70 and 320 keV have been studied in this work using a large volume HPGe detector gamma spectroscopy system. Using the utility and analysis programs GTOL and GABS provided by ENSDF, the beta transition intensities of four beta groups to the daughter nucleus 177Hf, and the absolute emission probabilities of the six gamma rays emitted in the depopulation of excited levels in 177Hf were precisely determined. The values are in agreement with the earlier reports. This data will be a good addition to the information available on the decay of 177Lu for medical and other applications.
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