Democratic decay of 6Be exposed by correlations

Abstract

The interaction of an E/A=70 - MeV 7Be beam with a Be target was used to populate levels in 6Be following neutron knockout reactions. The three-body decay of the ground and first excited states into the alpha+p+p exit channel were detected in the High Resolution Array. Precise three-body correlations extracted from the experimental data allowed us to obtain insight into the mechanism of the three-body democratic decay. The correlation data are in a good agreement with a three-cluster-model calculation and thus validate this theoretical approach over a broad energy range.

5 pages, 7 figures; Corrected typos

References in corpus (5)

• Radioactive decays at limits of nuclear stability
• Two-proton radioactivity
• Three-body decay of ${}^6$Be
• Distinction between sequential and direct three-body decays
• Isovector soft dipole mode in 6Be

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