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Anthea Francesca Fantina (Grand Accélérateur National d'Ions Lourds (GANIL))7/4/23, 8:30 AMMC11 La matière nucléaire : du laboratoire au cosmosContribution orale
Neutron stars are unique laboratories to probe matter in extreme conditions that cannot be currently reproduced on Earth. Nuclear physics experiments, in tandem with astrophysical observations, can give valuable insight into the properties of dense matter encountered in these stellar objects.
In this contribution, various constraints on the equation of state of dense matter will be...
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Diego GRUYER (LPC Caen)7/4/23, 8:49 AMMC11 La matière nucléaire : du laboratoire au cosmosContribution orale
The study of fragmentation reactions produced in heavy-ion collisions has permitted major advances in the understanding of the dynamics and thermodynamics of nuclear matter and is still one of the most promising tools to constrain its equation of state. This fundamental property in nuclear physics is also a crucial ingredient in the understanding of various astrophysical objects or phenomenon:...
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Hoa Dinh Thi (LPC Caen)7/4/23, 9:08 AMMC11 La matière nucléaire : du laboratoire au cosmosContribution orale
Proto-neutron stars are born hot, with temperatures exceeding few $10^{10} $K. In these conditions, the crust of the proto-neutron star is expected to be made of a Coulomb liquid and composed of an ensemble of different nuclear species. In this work, we perform a study of the beta-equilibrated proto-neutron-star crust in the liquid phase in a self-consistent multi-component approach, which...
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Matteo Bugli (UniTo - CEA Saclay)7/4/23, 9:22 AMMC11 La matière nucléaire : du laboratoire au cosmosContribution orale
The gravitational collapse of massive stars that reach the end of their lives leads to the onset of powerful core-collapse supernova (CCSN) explosions that can be observed at cosmological distances.
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Moreover, these events are the main formation sites of neutron stars and black holes of stellar size, which are not only unique laboratories to study the properties of matter in extreme physical... -
Béatrice Ramstein7/4/23, 9:41 AMMC11 La matière nucléaire : du laboratoire au cosmosContribution orale
Les collisions d’ions lourds sont un outil unique pour étudier les propriétés de la matière hadronique, régies par la Chromodynamique Quantique (QCD), la théorie fondamentale de l’interaction forte. Suivant l’énergie des faisceaux, différentes régions du diagramme de phase de la QCD, en termes de température (T) et potentiel baryochimique (muB) peuvent être explorées.
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Pour des grandes... -
Rémi BOUGAULT (LPCCaen/ENSICaen)7/4/23, 10:00 AMMC11 La matière nucléaire : du laboratoire au cosmosContribution orale
Light nuclear clusters are expected to be ubiquitously present in astrophysical environments and play an important role in different astrophysical phenomena, but the estimation of their abundancy requires to correctly estimate the in-medium modification of their binding energy. This can be achieved in a phenomenological way, if theoretical models are calibrated to experimental data from...
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Luigi Scurto (University of Coimbra, LPC Caen)7/4/23, 10:14 AMMC11 La matière nucléaire : du laboratoire au cosmosContribution orale
In this work, we compute the structure and composition of the inner crust of a neutron star in the presence of a strong magnetic field, such as it can be found in magnetars.
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To determine the geometry and characteristics of the crust inhomogeneities, we consider the compressible liquid drop model, where surface and Coulomb terms are included in the variational equations, and we compare our...
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