Nuclear Physics Experiments with the Electro-Weak Probe

俄亥俄州大学小组计划的中能核实验计划旨在回答以下问题：亚原子物质如何在质子或中子内部组织起来？与质子或中子结构相关的基本相互作用是否已完全了解？国家核物理评估和展望研究理事会2013年的报告承认，这两个问题是当今核物理的核心。具体来说，PI的研究重点是研究质子和中子的内部结构。自然界四种基本力之一的强力支配着这种内部结构。PI还将通过寻找粒子物理学标准模型之外的物理来研究我们对自然基本力的理解的局限性。他们将在托马斯杰斐逊国家加速器设施（JLab）中使用电子束与核目标相撞。PI Roche和King，三名研究生和三名本科生将执行该奖项支持的研究。该计划的更广泛影响是多方面的，包括培训下一代科学家，提高少数民族科学家的形象（特别是指导STEM中的女性），并通过对高中生的STEM教育吸引公众。俄亥俄州小组将致力于两个实验，致力于使用广义帕顿分布框架研究核子的内部结构。实验E12-19-006测量带电π介子生产中的L-T分离：该小组将分析其在2021年和2022年获得的数据。实验E12-13-010将使用中性粒子光谱仪测量光子的电产生;罗氏是该实验的共同发言人。它的数据采集将于2023年开始。该小组将在颁奖期间收集数据并进行早期分析。此外，King还将协调下一代奇偶违反实验（MOLLER）的分析软件开发。该奖项反映了NSF的法定使命，并通过使用基金会的知识价值和更广泛的影响审查标准进行评估，被认为值得支持。

The medium-energy nuclear experimental program planned by the Ohio University group aims to answer the questions: How does subatomic matter organize itself inside a proton or neutron? and are the fundamental interactions relating to the structure of proton or neutron fully understood? The 2013 report of the National Research Council on the Assessment of and Outlook for Nuclear Physics recognizes both of those questions as central to today’s nuclear physics. Specifically, the PI’s research focuses on studying the internal structure of protons and neutrons. The strong force, one of Nature’s four fundamental forces, governs this internal structure. The PIs will also study the limits of our understanding of Nature’s fundamental forces by looking for physics beyond the Standard Model of particle physics. They will work with an electron beam colliding with a nuclear target at the Thomas Jefferson National Accelerator Facility (JLab). PIs Roche and King, three graduate students, and three undergraduate students will perform the research supported by this award. The broader impacts of the program are multifold, including training the next generation of scientists, raising the profile of minority scientists (especially mentoring women in STEM), and engaging the public through STEM education for High School students. The Ohio group will work on two experiments dedicated to the study of the internal structure of the nucleon using the Generalized Parton Distribution framework. Experiment E12-19-006 measures L-T separation in charged pion production: the group will analyze its data acquired in 2021 and 2022. Experiment E12-13-010 will measure the electroproduction of a photon using the Neutral Particle Spectrometer; Roche is a co-spokesperson of this experiment. Its data-taking will start in 2023. The group will take data and perform their early analysis during this award. In addition, King will coordinate the analysis software development for the next generation of Parity Violation experiments known as MOLLER. Members of the group will also participate in the Hall A SBS experimental program.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.