Suppressed electric quadrupole collectivity in Si32

Lying between 16O and 40Ca, the $sd$ shell is well described by robust phenomenological and ab initio nuclear theories. In this work, however, we highlight an unexplained reduction in electric-quadrupole strength in the rare isotope 32Si, studied through sub-barrier Coulomb excitation. It is found t...

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Veröffentlicht in:	Physical review. C 2024-01, Vol.109 (1)
Hauptverfasser:	Heery, J., Henderson, Jack, Hoffman, C. R., Hill, A. M., Beck, T., Cousins, C., Farris, P., Gade, A., Gillespie, S. A., Holt, J. D., Hu, B., Iwasaki, H., Kisyov, S., Kuchera, A. N., Longfellow, B., Müller-Gatermann, C., Poves, A., Rubino, E., Russell, R., Salinas, R., Sanchez, A., Weisshaar, D., Wu, C. Y., Wu, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	20 ≤ A ≤ 38 Ab initio calculations Collective levels Coulomb excitation Electromagnetic transitions Multipole matrix elements NUCLEAR PHYSICS AND RADIATION PHYSICS Radioactive beams Shell model Spectroscopic factors & electromagnetic moments
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