A study of 28Si(α, γ)32S resonances below Eα = 3.83 MeV |
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Authors: | DWO Rogers WR Dixon RS Storey |
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Institution: | National Research Council of Canada, Ottawa K1A OR6, Canada |
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Abstract: | The γ-decays of eleven resonances in the 28Si(α,γ)32S reaction below Eα = 3.83 MeV have been studied using a large Ge(Li) detector. Results for branching ratios differ considerably from previous NaI work. The previous discrepancy in radiative strengths for the 2.61 MeV resonance is explained by this data. The strengths of the first five resonances at Eα = 1.77, 1.99, 2.19, 2.37 and 2.42 MeV appear to be (39 ± 13)% lower than previously reported. Spin-parities of l?, 2+ and 2+ have been assigned to the levels at 8.50, 8.69 and 8.86 MeV respectively. The radiative width of the Ep = 1.467 MeV, Jπ = 3? resonance in the 31P(p,γ)32S reaction has also been measured. |
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Keywords: | Nuclear reactions |
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