1. The Hoyle Family: The search for alpha-condensate states in light nuclei
- Author
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Smith, R., Bishop, J., Hirst, J., Kokalova, Tz., and Wheldon, C.
- Subjects
Nuclear Experiment ,Nuclear Theory - Abstract
Our present understanding of the structure of the Hoyle state in $^{12}$C and other near-threshold states in $\alpha$-conjugate nuclei is reviewed in the framework of the $\alpha$-condensate model. The $^{12}$C Hoyle state, in particular, is a candidate for $\alpha$-condensation, due to its large radius and $\alpha$-cluster structure. The predicted features of nuclear $\alpha$-particle condensates are reviewed along with a discussion of their experimental indicators, with a focus on precision break-up measurements. Two experiments are discussed in detail, firstly concerning the break-up of $^{12}$C and then the decays of heavier nuclei. With more theoretical input, and increasingly complex detector setups, precision break-up measurements can, in principle, provide insight into the structures of states in $\alpha$-conjugate nuclei. However, the commonly-held belief that the decay of a condensate state will result in $N$ $\alpha$-particles is challenged. We further conclude that unambiguously characterising excited states built on $\alpha$-condensates is difficult, despite improvements in detector technology., Comment: Submitted to Few-Body Systems on 9th November 2019
- Published
- 2020
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