Elsevier

Nuclear Physics A

Volume 413, Issue 2, 30 January 1984, Pages 311-322
Nuclear Physics A

Levels in 23Na excited by the 19F(α, α)19F, 19F(α, γ)23Na and 19F(α, p)22Ne reactions

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Abstract

Excitation functions have been measured at five angles for the 19F(α, α)19F scattering process up to Eα = 3.7 MeV. The yield curves for the 19F(α, γ)23Na, 19F(α, p0)22Ne and 19F(α, p1γ)22Ne reactions were also obtained in simultaneous measurements. A multi-level R-matrix calculation was used to analyse the elastic scattering data, yielding parameters for 16 resonances. Sixty resonances corresponding to levels in 23Na were seen in the different reactions. A comparison of resonance energy and total width data is given.

The 19F(α, γ)23Na reaction below Eα = 2.3 MeV was studied also with thick-target measurements. Decay schemes are given for two resonances. The α-particle strength is discussed.

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