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12C states populated in 10B+10B reactions

Jelavić Malenica, Deša; Milin, Matko; Blagus, Saša; Di Pietro, A.; Figuera, P.; Lattuada, M.; Miljanić, Ðuro; Musumarra, A.; Pellegriti, M. G.; Prepolec, Lovro; Scuderi, V.; Skukan, Natko; Soić, Neven; Szilner, Suzana; Torresi, D.; Uroić, Milivoj (2019) 12C states populated in 10B+10B reactions. Physical Review C, 99 (6). ISSN 2469-9985

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The 10 B+ 10 B reactions are measured with 50 and 72 MeV beams. The large spin of both beam and target nuclei (Jπ = 3 + ) is particularly suitable for the population of high spin states in the exit channels. Population and decay of different states in 12 C is studied through sequential decay reactions. The 12C excitation energy spectrum obtained from the 10B(10B, 8Be) reaction shows a number of both known and new states. In particular, a new state at Ex = 24.4MeV is observed to be strongly populated in the triple α-particle coincidences. The rarely seen state at Ex = 30.3 MeV is found to be strong in the d + 10 B decay channel, reinforcing the previous suggestions that it has the exotic 2α+2d molecular structure.

Item Type: Article
Uncontrolled Keywords: nuclear reactions; nuclear structure; Hoyle state; nuclear molecules; light nuclei
Subjects: NATURAL SCIENCES > Physics
NATURAL SCIENCES > Physics > Nuclear Physics
Divisions: Division of Experimental Physics
Depositing User: Deša Jelavić Malenica
Date Deposited: 03 Dec 2020 13:13

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