Electroweak Symmetry Breaking and Physics Beyond the Standard Model

电弱对称性破缺和超越标准模型的物理

• 批准号: 1519045
• 负责人: R Sekhar Chivukula
• 金额: $ 51万
• 依托单位: Michigan State University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2015
• 资助国家: 美国
• 起止时间: 2015-09-01 至 2019-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1519045&HistoricalAwards=false
• 关键词: Electroweak; Symmetry; Breaking; Physics; Beyond

This award funds the research activities of Professors R. Sekhar Chivukula and Elizabeth H. Simmons at Michigan State University.The research funded under this grant focuses on uncovering the origins of the masses of the elementary subatomic particles. The next three years will coincide with the 13-TeV high-energy run of the Large Hadron Collider (LHC) at CERN, which will reveal the properties of the newly discovered 126-GeV "Higgs" boson, perform detailed studies of the top quark (the heaviest elementary particle known), and investigate the nature of matter down to the smallest distance scales ever probed. In their research, Professors Chivukula and Simmons will perform theoretical investigations to model the behavior of matter at these short distance scales and predict new phenomena that could be observed at the LHC. This research is in the national interest because it will promote the progress of science in helping to elucidate the fundamental laws governing our universe and deepen our knowledge of the subatomic realm. The proposed project also has several broader impacts. Professors Chivukula and Simmons are leaders in campus and national efforts to improve students' learning and persistence in STEM (science, technology, engineering, and mathematics), especially first-generation students and those from under-represented populations. The PIs will also involve graduate students and postdocs in their research, providing training to junior physicists in research methods and professional preparation to become independent scientists. Finally, the PIs will continue presenting the results of their research in outreach events focused on students from groups underrepresented in science, in order to engage the next generation of scientists.More technically, Professors Chivukula and Simmons will investigate how electroweak symmetry breaking and the origins of particle masses are impacted by relationships between the Higgs, top quark, and QCD sectors of theories beyond the Standard Model. The PIs will construct and study models in which the Higgs is composite, including those where the top plays a special role in electroweak symmetry breaking and may also be composite. They will derive constraints on these theories from flavor physics and precision electroweak data, emphasizing the phenomenological consequences of the models for the new scalar and other states that may appear at the LHC and future colliders. Professors Chivukula and Simmons will also study models of an extended color sector featuring new colored vector, scalar, or fermion states. The high-energy LHC will dramatically extend our experimental reach for new colored states, and the PIs will systematically investigate how to determine the properties of such a state upon discovery.

该奖项资助R教授的研究活动。作者声明：Dr.该基金资助的研究重点是揭示基本亚原子粒子质量的起源。 未来三年将与欧洲核子研究中心大型强子对撞机（LHC）的13 TeV高能运行相吻合，这将揭示新发现的126 GeV“希格斯”玻色子的性质，对顶夸克（已知最重的基本粒子）进行详细研究，并调查物质的性质，直到最小的距离尺度。在他们的研究中，Chivukula教授和Simmons教授将进行理论研究，以模拟这些短距离尺度下的物质行为，并预测在LHC上可以观察到的新现象。这项研究符合国家利益，因为它将促进科学进步，有助于阐明支配我们宇宙的基本规律，加深我们对亚原子领域的了解。拟议的项目也有几个更广泛的影响。教授Chivukula和西蒙斯是校园和国家努力提高学生的学习和坚持干（科学，技术，工程和数学），特别是第一代学生和那些来自代表性不足的人口的领导者。 PI还将让研究生和博士后参与他们的研究，为初级物理学家提供研究方法和专业准备方面的培训，以成为独立的科学家。最后，PI将继续展示他们的研究成果，重点是在科学中代表性不足的学生群体的外联活动，以吸引下一代科学家。更技术性的是，Chivukula教授和Simmons教授将研究如何电弱对称性破缺和粒子质量的起源是由希格斯，顶夸克和QCD超越标准模型理论部门之间的关系所影响的。PI将构建和研究希格斯粒子是复合粒子的模型，包括那些顶部在电弱对称性破缺中发挥特殊作用的模型，也可能是复合粒子。他们将从味道物理和精确的电弱数据中推导出对这些理论的约束，强调可能出现在LHC和未来对撞机上的新标量和其他状态的模型的现象学后果。教授Chivukula和西蒙斯还将研究一个扩展的颜色部门具有新的彩色矢量，标量或费米子状态的模型。高能LHC将极大地扩展我们对新的有色态的实验范围，PI将系统地研究如何在发现后确定这种状态的性质。