Yield measurements for resonances above the multi-α threshold in 20Ne

Tzanka Kokalova Wheldon, M. Freer, N. Curtis, N.I. Ashwood, M. Barr, J.D. Malcolm, C. Wheldon, V.A. Ziman, S. Almaraz-Calderon, A. Aprahamian, B. Bucher, M. Couder, X. Fang, F. Jung, W. Lu, A. Roberts, W.P. Tan, P. Copp, S.R. Lesher

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3 Citations (Scopus)


The reaction 16O(α,20Ne), has been studied with beam energies from 23.0 to 29.0 MeV in 100-keV steps. Resonant states in 20Ne have been populated which are above the multi-α decay threshold and that decay via 8Be + 8Be + α and 8Be + 12C(02+). An array of four silicon-strip detectors was used for the detection of four of the five emitted α particles, enabling the full reconstruction of the kinematics. The normalized yields have been obtained, with indications of significant strength above 24.5 MeV arising from several possible resonances.
Original languageEnglish
JournalPhysical Review C
Issue number5
Publication statusPublished - 29 May 2013


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