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Dr Alberto M. Stefanini (INFN-LNL)02/10/2023, 16:10
Abstract
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The 12C + 16O reaction plays a particularly important role in both the carbon and oxygenburning
phases of stars. Fang et al. measured this reaction in a thick-target experiment a few years
ago, with both singles and particle-γ coincidence techniques down to a few nanobarns. However,
the lowest energy points suffer from large experimental uncertainties which prevent... -
Domenico Torresi (Istituto Nazionale di Fisica Nucleare)02/10/2023, 16:30
The second 0+ state of $^{12}$C at 7.654 Mev (the so-called Hoyle state) is one of the most studied states among all nuclei because of its well defined $\alpha$-cluster structure and for its strong astrophysical implications. Nevertheless, its structure still presents aspects to be
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clarified. In particular, the hypotheses of the presence of excitations of the Hoyle state date back to 1956... -
Matus Balogh (Istituto Nazionale di Fisica Nucleare)02/10/2023, 16:50
The aim of this letter of intent is to study the structure of 46Ca via the lifetime measurements of the low-lying excited states. Particularly, the lifetime of 2_1+, 4_1+ and 0_2+ states will represent a crucial result to investigate the structure of the competing low-lying configurations, shedding light on the phenomenon of shape coexistence, already established in other Ca isotopes. In order...
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Giorgia Pasqualato02/10/2023, 17:10
In the light Sn isotopes, a systematic deviation between the B(E2; $2_1^+ \to 0_{g.s.}^+)$ values and state-of-the-art theoretical calculations has been observed, and such a discrepancy becomes even more significant when comparing predictions and experimental results for the B(E2; $4_1^+ \to 2_1^+)$ strengths.
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Recent works have indicated the importance of the $4_1^+ \to 2_1^+$ transitions to...
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