Graduate Thesis Or Dissertation
 

Gamma decays and level structure of ¹⁸⁶Ir

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/gb19fb145

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  • ¹⁸⁶Ir gamma transitions are studied via the reaction Hf (¹⁴N, xn) Au at ¹⁴N beam energy 130 MeV. The beta decay chain of Au is Au + Pt + Ir + Os. Singles and coincidence data are from measurements by Ge gamma-ray detectors. Conversion electrons are measured by Si(Li) detector. The energy and intensity of all the gamma rays are analyzed. The energy uncertainties are less than 0.1 keV. Multipolarities of some gamma transitions are found from conversion electron spectrum. Those gamma transitions from ¹⁸⁶Ir excited states are identified. There are so many gamma peaks in the spectrum grouping together that maybe there are still more gamma transitions from ¹⁸⁶Ir that are hidden. The gamma transitions of ¹⁸⁶Ir presented here add more information to the previous results.
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