Eur.Phys.J. A 55, 4 (2019)

D.Kahl, P.J.Woods, Y.Fujita, H.Fujita, K.Abe, T.Adachi, D.Frekers, T.Ito, N.Kikukawa, M.Nagashima, P.Puppe, D.Sera, T.Shima, Y.Shimbara, A.Tamii, J.H.Thies

s-wave resonances for the ¹⁸F(p, α)¹⁵O reaction in novae

NUCLEAR REACTIONS ¹⁸F(p, α)¹⁵O;¹⁹F(³He, t)¹⁹Ne, E=140 MeV/nucleon; measured Et, It(θ); deduced peaks of discrete excited states in ¹⁹Ne; deduced ¹⁹F, ¹⁹Ne levels, J, π, deduced ΔL=0 state at 6.13 MeV which could significantly affect ¹⁸F(p, α) astrophysical S-factor, suggested mirror pairs of states. Levels compared with published data. ¹⁸F(p, α), E(cm)=0-1 MeV; calculated astrophysical S-factor with different interference signs between L=0 states with possibility of changing temperatures (50-350 MK); deduced resonance parameters (energy, (α- and p-width, ANC)). S-factor compared with other calculations.

doi: 10.1140/epja/i2019-12682-9