Democratic decay of 6Be exposed by correlations
I. A. Egorova, R. J. Charity, L. V. Grigorenko, Z. Chajecki, D., Coupland, J. M. Elson, T. K. Ghosh, M. E. Howard, H. Iwasaki, M. Kilburn,, Jenny Lee, W. G. Lynch, J. Manfredi, S. T. Marley, A. Sanetullaev, R. Shane,, D. V. Shetty, L. G. Sobotka, M. B. Tsang, J. Winkelbauer
TL;DR
This study investigates the democratic decay mechanism of 6Be using high-resolution correlation measurements following neutron knockout reactions, confirming the validity of a three-cluster model over a broad energy range.
Contribution
It provides detailed experimental correlation data that validate a three-cluster theoretical model for 6Be decay mechanisms.
Findings
Correlation data agree with three-cluster model calculations
Validated the democratic decay mechanism of 6Be
Demonstrated the effectiveness of high-resolution correlation measurements
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.
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