Shape of 12C

We have examined the hypothesis by Bijker and Iachello who asserted that 12 C has an internal structure with three α particles arranged in a triangular shape, leading to the formation of the ground rotational band consisting of 0 + , 2 + , 3 - , 4 ± and 5 - states. Following this idea, we reconstruc...

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Bibliographic Details
Published in:The European physical journal. A, Hadrons and nuclei Hadrons and nuclei, 2024-03, Vol.60 (3)
Main Authors: Kimura, Masaaki, Taniguchi, Yasutaka
Format: Article
Language:English
Subjects:
Hadrons
Heavy Ions
Nuclear Fusion
Nuclear Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Regular Article - Theoretical Physics
The Nuclear Many-Body Problem
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Summary:We have examined the hypothesis by Bijker and Iachello who asserted that 12 C has an internal structure with three α particles arranged in a triangular shape, leading to the formation of the ground rotational band consisting of 0 + , 2 + , 3 - , 4 ± and 5 - states. Following this idea, we reconstructed the intrinsic shape of 12 C using experimental electron scattering data with minimal theoretical assumption. Our sole assumption was that the observed 0 1 + , 2 1 + , 3 1 - , and 4 2 + states share a common internal structure, forming a rotational spectrum. The reconstructed intrinsic density showed a beautiful triangular shape with three peaks implying α cluster formation in the ground band.
ISSN:1434-601X
DOI:10.1140/epja/s10050-024-01302-w