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Monopole oscillations in light nuclei with a molecular dynamics approach

Abstract : Collective monopole vibrations are studied in the framework of antisymmetrized version of molecular dynamics as a function of the vibration amplitude. The giant monopole resonance energy in ${}^{40}Ca$ is sensitive to the incompressibility of the effective interaction, in good agreement with complete TDHF calculations. The collective response of ${}^{12}C$, ${}^{16}O$ and ${}^{24}Mg$ is also studied. For these lighter nuclei which have an important contribution of an alpha-clustered component, different frequencies are observed corresponding to two different types of vibrations associated to breathing and moving of the underlying clusters. Possible connections with direct break-up into alpha clusters at high excitation energy are discussed.
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Contributor : Sandrine Guesnon <>
Submitted on : Monday, August 30, 2010 - 11:40:58 AM
Last modification on : Tuesday, June 29, 2021 - 9:14:02 AM

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T. Furuta, K. H. O. Hasnaoui, F. Gulminelli, Christophe Leclercq, A. Ono. Monopole oscillations in light nuclei with a molecular dynamics approach. Physical Review C, American Physical Society, 2010, 82, pp.034307. ⟨10.1103/PhysRevC.82.034307⟩. ⟨in2p3-00512379⟩



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