Phys.Rev. C 112, 035801 (2025)

N.Iwasa, K.Ichimura, S.Ishikawa, M.Egeta, T.Haginouchi, S.Ishio, S.Matsue, S.Kubono, K.Nishio, K.Hirose, H.Makii, R.Orlandi, F.Suzaki, J.Smallcombe

Experimental determination of the resonance width and the branching ratio Γ_p1/Γ_p0 for the 19.40-MeV state in ⁸Be for studying the ⁷Be(n, p₁)⁷Li^* reaction relevant to the cosmological lithium problem

NUCLEAR REACTIONS ⁷Li(³He, d), E=28 MeV; measured reaction products; deduced σ(θ, E), energy levels, resonance parameters, σ. Comparison with available data. The high-resolution spectrometer ENMA at the Tandem accelerator facility of the Japan Atomic Energy Agency (JAEA) at Tokai.

doi: 10.1103/jhgx-cht5