Borge, M.J.G.4; Fraile, L.M.5; Fynbo, Hans Otto Uldall8; Jonson, B.6; Kirsebom, Oliver Sølund8; Nilsson, T.6; Nyman, G.6; Possnert, G.7; Riisager, Karsten8; Tengblad, O.4
1 Department of Physics and Astronomy, Science and Technology, Aarhus University2 Aarhus University3 Department of Physics and Astronomy, Faculty of Science, Aarhus University, Aarhus University4 CSIS5 Universidad Complutese6 Chalmers Tekniska Högskola7 Uppsala University8 Department of Physics and Astronomy, Science and Technology, Aarhus University
Beta-delayed proton emission may occur at very low rates in the decays of the light nuclei 11Be and 8B. This paper explores the potential physical significance of such decays, estimates their rates and reports on first attempts to detect them: an experiment at ISOLDE/CERN gives a branching ratio for 11Be of (2.5 ± 2.5) × 10−6 and an experiment at JYFL a 95% confidence upper limit of 2.6 × 10−5 for 8B.
Journal of Physics G: Nuclear and Particle Physics, 2013, Vol 40, Issue 3