Nonequilibrium dynamics in the inner crust of a neutron star Daniel Pęcak (Institute of Physics of the Polish Academy of Sciences, Warsaw) Astronomical observations of neutron stars probe kilometer scales, while the underlying nuclear interactions act on femtometer scales, requiring effective models to bridge this gap. In the inner crust, a lattice of nuclei interacts …
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Cluster states at the crossroads : from Ab Initio description to exotic decays Louis Heitz (CEA/DAM, IJCLab) Clustering in nuclei can be viewed as the emergence of molecular-like substructures within the nuclear many-body system. In such cases, the complex dynamics of nucleons may be effectively described in terms of a few interacting clusters, providing a …
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Experimental and theoretical studies of β-delayed fission Silvia Bara (LPC Caen – MPBE) Beta-delayed fission (βDF) is a two-step process where a parent nucleus β-decays into a daughter nucleus that can then fission with a certain probability from an excited state [1]. The experimentally measured βDF probability (PβDF) is often very small and has been …
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Machine Learning for Light Hypernuclei Isaac Vidana (INFN – Catane) We employ a feed-forward artificial neural network (ANN) to extrapolate at large model spaces the results of ab-initio hypernuclear No-Core Shell Model calculations for the Λ separation energy BΛ of the lightest hypernuclei, Λ3H, Λ4H and Λ4He, obtained in computationally accessible harmonic oscillator basis spaces …
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Neutron star F-modes as a tool to probe dense nuclear matter Debarati Chatterjee (professeur à IUCA Inter-University Centre for Astronomy and Astrophysics, Pune, India) The direct detection of gravitational waves (GW) from neutron stars (NS) has opened up a new window to explore properties of dense nuclear matter beyond the scope of terrestrial experiments. While …
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Modeling Polarized X-ray Emission from Neutron Star Surfaces Hoa Dinh-Thi (Post-doctorante à Rice University (USA)) The intense magnetic fields of neutron stars (NSs) generate strong anisotropy and polarization of radiation emanating from their surfaces. These emission characteristics are sensitive to the emission locales and thus depend on principal geometry parameters, namely the angles between the …
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Seasonal Variations in Atmospheric Lepton Fluxes: Measurements with IceCube Karolin Hymon (Post-doctorante à l’institut de physique, Taiwan) The IceCube Neutrino Observatory provides precise measurements of high-energy atmospheric leptons—muons and neutrinos—at unprecedented statistics. These leptons originate from cosmic-ray interactions in the atmosphere, predominantly via pion and kaon decays. Seasonal temperature variations in the stratosphere modulate the …
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High precision calculations of the properties of nucleons using lattice QCD Rajan Gupta (Los Alamos National Laboratory) Simulations of lattice Quantum Chromodynamics (QCD) are providing increasingly precise predictions of QCD with growing computing power and novel algorithms that have addressed issues of critical slowing down. This talk will cover the calculations being done by the …
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Charge Radius of 54Ni and Slope Parameter in the Nuclear Equation of State Skyy Pineda (Post-doctorant MBPE) « The charge radius of the 54Ni nucleus was determined using collinear laser spectroscopy at the BEam COoler and LAser spectroscopy (BECOLA) facility [1,2] at the National Superconducting Cyclotron Laboratory at Michigan State University. The 54Ni charge radius, together …
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Experimental validation of a the Gaseous Proton Recoil Telescope for quasi-absolute neutron flux measurements for fission cross section Carole Chatel (IJCLab) The improvement of neutronics simulations makes their accuracy more sensitive to the precision of the input data, such as neutron-induced cross sections. Among the most important ones, fertile actinides fission cross sections play a …
Lire la suite de« Experimental validation of a the Gaseous Proton Recoil Telescope for quasi-absolute neutron flux measurements for fission cross section »
