Journal
PHYSICAL REVIEW LETTERS
Volume 113, Issue 23, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.113.232503
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Funding
- STFC Grant [ST/J000434/1]
- Trinity College, Cambridge
- STFC [ST/L000385/1, ST/J000434/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/L000385/1, ST/J000434/1] Funding Source: researchfish
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The Skyrme model has two Skyrmion solutions of baryon number 12, with D-3h and D-4h symmetries. The first has an equilateral triangular shape and the second an extended linear shape, analogous to the triangle and linear chain structures of three alpha particles. We recalculate the moments of inertia of these Skyrmions, and deduce the energies and spins of their quantized rotational excitations. There is a good match with the ground-state band of carbon-12, and with the recently established rotational band of the Hoyle state. The ratio of the root mean square matter radii also matches the experimental value.
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