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

NT项目旨在提供核结构和反应的第一性原理计算，并使用最先进的少体和多体方法量化不确定性。这是解释现有数据的关键，为未来的实验提供指导，并帮助在原子和粒子物理实验中与核物理接口搜索新物理。在少体方面，主要目标是提供改进的μ子原子兰姆位移的核结构修正的计算，并获得第一个计算的超精细分裂在H3D和H3He+的核结构修正。 在多体方面，目标是改进光核反应的计算，并使用耦合团簇理论进行轻子-核碰撞的新计算。中子皮厚度的理论研究，并在一般情况下，电磁过程中的少体和多体核系统将补充在各个层次上目前的CRC 1044实验的努力与急需的核理论组成部分。

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.