1. Clarification of the three-body decay of 12C (12.71 MeV).
- Author
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Fynbo HO, Prezado Y, Bergmann UC, Borge MJ, Dendooven P, Huang WX, Huikari J, Jeppesen H, Jones P, Jonson B, Meister M, Nyman G, Riisager K, Tengblad O, Vogelius IS, Wang Y, Weissman L, Wilhelmsen Rolander K, and Aystö J
- Abstract
Using beta decays of a clean source of 12N produced at the IGISOL facility, we have measured the breakup of the 12C (12.71 MeV) state into three alpha particles with a segmented particle detector setup. The high quality of the data permits solving the question of the breakup mechanism of the 12.71 MeV state, a longstanding problem in few-body nuclear physics. Among existing models, a modified sequential model fits the data best, but systematic deviations indicate that a three-body description is needed.
- Published
- 2003
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