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SMITH, Robin, KOKALOVA, Tz, WHELDON, C, BISHOP, J. E., FREER, M, CURTIS, N and PARKER, D. J. (2017). New Measurement of the Direct 3α Decay from the 12C Hoyle State. Physical Review Letters, 119, p. 132502.
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Abstract
Excited states in certain atomic nuclei possess an unusual structure, where the dominant degrees of freedom are those of α clusters rather than individual nucleons. It has been proposed that the diffuse 3α system of the 12C Hoyle state may behave like a Bose-Einstein condensate, where the α clusters maintain their bosonic identities. By measuring the decay of the Hoyle state into three α particles, we obtained an upper limit for the rare direct 3α decay branch of 0.047%. This value is now at a level comparable with theoretical predictions and could be a sensitive probe of the structure of this state.
| Item Type: | Article |
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| Research Institute, Centre or Group - Does NOT include content added after October 2018: | Sheffield Institute of Education |
| Departments - Does NOT include content added after October 2018: | Faculty of Science, Technology and Arts > Department of Engineering and Mathematics |
| Identification Number: | https://doi.org/10.1103/PhysRevLett.119.132502 |
| Page Range: | p. 132502 |
| Depositing User: | Robin Smith |
| Date Deposited: | 11 Oct 2017 11:11 |
| Last Modified: | 18 Mar 2021 02:18 |
| URI: | https://shura.shu.ac.uk/id/eprint/16973 |
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