Phys.Rev.Lett. 108, 202501 (2012)

O.S.Kirsebom, M.Alcorta, M.J.G.Borge, M.Cubero, C.Aa.Diget, L.M.Fraile, B.R.Fulton, H.O.U.Fynbo, D.Galaviz, B.Jonson, M.Madurga, T.Nilsson, G.Nyman, K.Riisager, O.Tengblad, M.Turrion

Improved Limit on Direct α Decay of the Hoyle State

NUCLEAR REACTIONS ¹¹B(³He, d), E not given; measured reaction products, deuteron spectrum, Eα, Iα. ¹²C; deduced σ(θ), α-decay branches of the Hoyle state, two-step process, resonance widths. Comparison with available data.

doi: 10.1103/PhysRevLett.108.202501