Theoretical nuclear physics from first principles ((09) N02#)

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Project NT aims at providing first principles calculations of nuclear structure and reactions with quantified uncertainties using state-of-the-art few- and many-body methods. This is key to interpret existing data, provide guidance for future experiments and help searches of new physics in atomic and particle physics experiments at the interface with nuclear physics. On the few-body front, the major goal is to provide improved calculations of nuclear structure corrections to the Lamb shift in muonic atoms and to obtain first calculations of nuclear structure corrections to the hyperfine splitting in 𝜇D and 𝜇3He+. On the many-body front, the aim is to perform improved calculations of photonuclear reactions and novel computations of lepton-nucleus collisions using coupled-cluster theory. Theoretical studies of neutron-skin thickness and, in general, of electromagnetic processes in few- and many-body nuclear systems will complement at various levels the present CRC 1044 experimental efforts with a much needed nuclear theory component.