Phys.Rev. C 99, 034301 (2019)

M.La Cognata, M.Fisichella, A.Di Pietro, P.Figuera, V.Z.Goldberg, S.Cherubini, J.P.Fernandez-Garcia, M.Gulino, L.Lamia, D.Lattuada, M.Lattuada, R.G.Pizzone, G.G.Rapisarda, S.Romano, R.Sparta, C.Spitaleri, D.Torresi, A.Tumino, M.Zadro

Observation of ¹⁵N α resonant structures in ¹⁹F using the thick target in inverse kinematics scattering method

NUCLEAR REACTIONS ⁴He(¹⁵N, α), E=40.23 MeV; measured Eα, Iα, differential σ(θ) using ΔE-E silicon telescopes for α detection and surface barrier detectors for ¹⁵N-like recoils at the LNL-Catania Tandem accelerator facility. ¹⁹F; deduced levels, resonances, J, π, α-widths, proton widths and potential α-cluster states using R-matrix analysis using AZURE2 code. Comparison with previous experimental data, and with literature data for mirror nucleus ¹⁹Ne. Relevance to models of stars in different evolutionary stages, such as the asymptotic giant branch (AGB) stars asymptotic giant branch (AGB).

doi: 10.1103/PhysRevC.99.034301