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Eli Piasetzky (Tel Aviv University)03/09/2019, 14:00InvitedTalk
Electron scattering experiments demonstrate that about 20% of the nucleons in nuclei have momentum greater than the nuclear Fermi momentum. This is predominantly due to close-proximity neutron-proton pairs, which interact via a strong short-range force. I will discuss these close-nucleon in few body systems and their importance to the study of nucleon-nucleon interaction, neutron stars, and...
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Dr Mehdi Drissi (University of Surrey)03/09/2019, 14:30NucleiTalk
The current paradigm to describe the nuclear interaction is within the frame of Chiral Effective Field Theory (χEFT) which organizes contributions to nuclear observables in a series of decreasing importance. Within this framework the leading contribution already requires to solve exactly the many-body Schrödinger equation with a particular Hamiltonian. Nevertheless, such calculations are...
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Dr Pierre Arthuis (University of Surrey)03/09/2019, 14:55NucleiTalk
The last few decades in nuclear structure theory have seen a rapid expansion of ab initio theories, aiming at describing the properties of nuclei starting from the inter-nucleonic interaction. Limited for a long time to very light nuclei, they are now able to access nuclei with up to A ~ 100 particles. Such an expansion relied both on the tremendous growth of computing power and novel formal...
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Nir Barnea (The Hebrew University)03/09/2019, 15:20NucleiTalk
Few years ago it was suggested by S. Tan that the properties of cold and dilute quantum gases depend on a new characteristic quantity, the ``contact'', that describes the probability of two particles coming close to each other. Generalizing this concept to nuclear physics interesting relations between e.g. the 1-body, 2-body momentum distributions, and the 2-body density can be derived. In my...
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