Abstract.
The breakup of 12C states into three α-particles is discussed in the context of the continuum three-body problem. New information from the β-decay of 12N populating 0+, 1+, and 2+ states in 12C is presented. The breakup mechanism of the 1+ state at 12.71 MeV is clarified, the spin of the “10.3 MeV state” is determined as 0+, and evidence for a previously unknown 2+ state at 14.1(2) MeV is given.
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Fynbo, H. Resonances in 12C and Their Breakup to the 3α Final State. Few-Body-Systems 34, 27–32 (2004). https://doi.org/10.1007/s00601-004-0054-2
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DOI: https://doi.org/10.1007/s00601-004-0054-2