TY - JOUR AU - Riisager, K. AU - Forstner, O. AU - Borges, M. J. G. AU - Briz Monago, José Antonio AU - Carmona Gallardo, Mariano AU - Fraile Prieto, Luis Mario AU - Fynbo, H.O.U. AU - Giles, T. AU - Gottberg, A. AU - Heinz, A. AU - Johansen, J.G. AU - Jonson, B. AU - Kurcewicz, J. AU - Lund, M.V. AU - Nilsson, T. AU - Nyman, G. AU - Rapisarda, E. AU - Steier, P. AU - Tengblad, O. AU - Thies, R. AU - Winkler, S.R. PY - 2014 DO - 10.1016/j.physletb.2014.03.062 SN - 03702693 UR - https://hdl.handle.net/20.500.14352/34570 T2 - Physics Letters B AB - We have observed β−-delayed proton emission from the neutron-rich nucleus 11Be by analyzing a sample collected at the ISOLDE facility at CERN with accelerator mass spectrometry (AMS). With a branching ratio of (8.3±0.9)· 10−6 the strength of this... LA - eng M2 - 305 PB - Elsevier KW - Beta decay KW - Halo nucleus KW - 11Be TI - Be11(βp), a quasi-free neutron decay? TY - journal article VL - 732 ER -