30 June 2026 to 2 July 2026
Sala Conferenze di Palazzo del Monte di Pietà
Europe/Rome timezone

Investigation of $^{24}$Mg nuclear structure in the energy range relevant to carbon-burning in stars

1 Jul 2026, 12:00
15m
Sala Conferenze di Palazzo del Monte di Pietà

Sala Conferenze di Palazzo del Monte di Pietà

Piazza Duomo, 14 Padova (Italy)

Speaker

Federica Ercolano (Università degli studi di Napoli "Federico II", INFN Sezione di Napoli)

Description

The nuclear structure of $^{24}$Mg in the excitation energy region relevant to the $^{12}$C+$^{12}$C fusion reaction is crucial for constraining carbon-burning processes in massive stars. Although this reaction has been extensively studied over the past decades, significant uncertainties persist, particularly at center of mass energies below 2.5 MeV, where direct measurements are hindered by extremely low cross sections. In this context, indirect approaches providing detailed spectroscopic information on the compound nucleus $^{24}$Mg are essential.

In this contribution, we present a new dedicated experiment to be performed at the Oslo Cyclotron Laboratory (OCL) to investigate the excited states of $^{24}$Mg in the energy range 14-17 MeV via $\alpha$ inelastic scattering. Reaction products will be detected in coincidence using the Oslo Scintillator Array (OSCAR), the SiRi particle telescope, and the INFN OSCAR silicon hodoscope. The combined use of charged-particle and $\gamma$-ray spectroscopy will enable a reliable determination of the spin and parity of the populated states in $^{24}$Mg, as well as an estimate of the branching ratios of its decay channels.

Author

Federica Ercolano (Università degli studi di Napoli "Federico II", INFN Sezione di Napoli)

Co-authors

Antonino Di Leva (Università degli studi di Napoli "Federico II", INFN Sezione di Napoli) Daniele Dell'Aquila (Università degli studi di Napoli "Federico II", INFN Sezione di Napoli) Gianluca Imbriani (Università degli studi di Napoli "Federico II", INFN Sezione di Napoli) Ivano Lombardo (Università degli studi di Catania, INFN Sezione di Catania) Kevin Ching Wei Li (University of Oslo, Norwegian Nuclear Research Center) Mariano Vigilante (Università degli studi di Napoli "Federico II", INFN Sezione di Napoli) Vetle Wegner Ingeberg (University of Oslo, Norwegian Nuclear Research Center) Wanja Paulsen (University of Oslo, Norwegian Nuclear Research Center)

Presentation materials

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