Search for the α + 6He decay of 10Be via the 16O(18O, 10Be*)24Mg reaction

Abstract

A search for the α + 6He decay of 10Be has been performed using the Li2O(18O,α6He) reaction at 80 and 100 MeV. An array of two Si-Si-CsI telescopes was used for the coincident detection of the breakup fragments. No evidence for the 16O(18O,α6He)24 Mg reaction was obtained, the cross-section being determined as σ< 1.9 νb and <3.9 νb at 80 and 100 MeV, respectively. The α + 15N decay of 19F was observed via the 7Li(18O, α15N)6He reaction. For the 19F excitation energy and centre-of-mass scattering angle ranges covered, the cross-sections are σ = (31.7 6.6) νb at 80 MeV and (31.8 6.6) νb at 100 MeV. © 2009 IOP Publishing Ltd.