Phys.Rev. C 93, 055803 (2016)

R.Talwar, T.Adachi, G.P.A.Berg, L.Bin, S.Bisterzo, M.Couder, R.J.deBoer, X.Fang, H.Fujita, Y.Fujita, J.Gorres, K.Hatanaka, T.Itoh, T.Kadoya, A.Long, K.Miki, D.Patel, M.Pignatari, Y.Shimbara, A.Tamii, M.Wiescher, T.Yamamoto, M.Yosoi

Probing astrophysically important states in the ²⁶Mg nucleus to study neutron sources for the s process

NUCLEAR REACTIONS ²⁶Mg(α, α'), E=206 MeV; ²²Ne(⁶Li, d)²⁶Mg, E=82.3 MeV; measured Eα, Iα, E(d), I(d), σ(θ) using Grand Raiden (GR) spectrometer at RCNP-Osaka. ²⁶Mg; deduced α-unbound resonance energies, levels, J, π, α-spectroscopic factors, resonance strengths. Angular distributions for inelastic scattering analyzed by coupled channel code PTOLEMY and for transfer reactions by FRESCO code. ²²Ne(α, γ)²⁶Mg, ²²Ne(α, n)²⁵Mg, T₉=0.01-10; deduced astrophysical reaction rates from resonance parameters. Comparison with previous results. Relevance to slow neutron capture process (s process) in massive stars.

doi: 10.1103/PhysRevC.93.055803