Single-nucleon transfer reactions on18F

19Ne levels studied with the18F(d,n)Adekola1, Brune2, Bardayan3 et al. 2012Phys. Rev. CSelf Cite

“…The results from the breakup of 19 Ne to α + 15 O particles focusing on levels close to the proton threshold have been previously published [15,16]. The present manuscript presents analysis of states in 19 Ne that appear in both p and α decay channels in the excitation energy range of 6.9 ≤ E x ≤ 8.4 MeV that corresponds to ∼0.5 -2.0 MeV above the proton threshold.…”

“…Dufour and Descouvemont [13] predict an s-wave state around 1.5 MeV above the proton threshold with decay widths of Γ p = 157 keV and Γ α = 139 keV that such a state has yet to be confirmed supports the need for additional studies of the level structure of 15 O particles. However, at higher excitation energies, the states become broader and breakup into the p + 18 F channel becomes stronger.…”

“…The detailed description of the experimental approach is in Refs. [15,16]. The measurements of the 18 F(d, n) reaction were performed at ORNL's HRIBF utilizing a 150-MeV isotopically-pure 18 F beam to bombard a 716-µg/cm 2 CD 2 target.…”

“…19 Ne is required to determine the 18 F(p, α) 15 O reaction rate, which predominantly destroys the long-lived radionuclide 18 F in nova outbursts. The reaction rate is dominated by s-and p-wave resonances in 19 Ne arising from states near the proton threshold at 6411 keV.…”

Resonances in19Ne with relevance to the astrophysically important18F(p,Mountford1, Murphy2, Achouri3 et al. 2012Phys. Rev. C

“…S-and p-wave resonances just above and below the 18 F+p threshold at 6411 keV have proven difficult to measure, although some recent progress has been made [3]. The impact of interference between states of the same spin-parity is still unclear, although again, some recent progress has been made [4].…”