RUI: Neutron Physics from 4HE to the Edge of the Dripline

奇异核是寿命短、几乎不稳定的系统，富含中子--氧-24、锂-12、铍-13。 对这种原子核的研究是国际核物理长期计划的一个关键组成部分。 这些原子核为我们提供了有关原子核结构的新信息。 美国对这项工作的承诺可以从国家超导回旋加速器实验室（NSCL）未来稀有同位素束设施（FRIB）的建设中看出。 这个奖项是为了支持莫纳合作的工作，一个由研究科学家，教师，博士后，研究生和本科生组成的小组。 我们研究了奇异核的结构与一个独特的实验系统，专门为这种工作，模块化中子阵列（莫纳），新的大面积多机构闪烁体阵列（丽莎），和扫描器带电碎片探测器系统，使用稀有同位素束在国家超导回旋加速器实验室（NSCL）和未来的光束在设施稀有同位素束。 我们致力于更好地理解轻但富中子核中的非束缚态。 通过敲除动力学和库仑解离，核结构的问题，特别是如何核结构的变化作为核稳定性的函数，得到解决。 我们的实验活动通知天体物理学界，因为我们的工作有助于确定恒星过程中的伽马中子速率。

Exotic nuclei are short-lived, barely stable systems rich with neutrons - Oxygen-24, Lithium-12, Beryllium-13. Studies of such nuclei are a key component to the international long-range plan for nuclear physics. These nuclei provide us with new information about the structure of the nucleus. The US commitment to this work can be seen in the construction of the future Facility for Rare Isotope Beams (FRIB) at the National Superconducting Cyclotron Laboratory (NSCL). This award is to support the work of the MoNA collaboration, a group comprised of research scientists, faculty, postdocs, graduate students, and undergraduates. We study the structure of exotic nuclei with a unique experimental system designed specifically for this kind of work, the Modular Neutron Array (MoNA), the new Large-area Multi-Institutional Scintillator Array (LISA), and the Sweeper charged-fragment detector system, using the rare isotope beams at the National Superconducting Cyclotron Laboratory (NSCL) and the future beams at the Facility for Rare Isotope Beams. We work to better understand unbound states in light but neutron-rich nuclei. Through both knock-out dynamics and Coulomb dissociation, nuclear structure questions, especially how nuclear structure changes as a function of nuclear stability, are addressed. Our experimental campaign informs the astrophysics community, since our work helps determine the gamma-neutron rates in stellar processes.