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The 116,118,120,122,124In nuclei have been popu- lated as fission fragments in reactions induced by heavy ions. Level schemes have been built from γ-rays detected using the Gammasphere array. Medium-spin states of 118,120In69,71 nuclei have been identified for the first time, while the level schemes of 116,122,124In67,73,75 were enriched. The observed states at lower excitations and at medium spin can be described by the coupling of the proton g9/2 hole to the neutron or neutron-hole in the h11/2 orbital. This coupling can now be followed in all odd-odd In isotopes from 104In to 126Inmore » « lessFree, publicly-accessible full text available January 1, 2027
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Free, publicly-accessible full text available July 1, 2027
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Abstract The observation ofγrays from the decay of44Ti in the remnants of core-collapse supernovae (CCSNe) provides crucial information regarding the nucleosynthesis occurring in these events, as44Ti production is sensitive to CCSNe conditions. The final abundance of44Ti is also sensitive to specific nuclear input parameters, one of which is the57Ni(p,γ)58Cu reaction rate. A precise rate for57Ni(p,γ)58Cu is thus critical if44Ti production is to be an effective probe into CCSNe. To experimentally constrain the57Ni(p,γ)58Cu rate, the structure properties of58Cu were measured via the58Ni(3He,t)58Cu*(γ) reaction using GODDESS (GRETINA ORRUBA Dual Detectors for Experimental Structure Studies) at Argonne National Laboratory’s ATLAS facility. Details of the experiment, ongoing analysis, and plans are presented.more » « less
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