Suoersymmetry, Superstrings and Phenomenology

索尔对称性、超弦和现象学

• 批准号: 0354401
• 负责人: Rabindra Mohapatra
• 金额: $ 96.3万
• 依托单位: University of Maryland, College Park
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2004
• 资助国家: 美国
• 起止时间: 2004-07-01 至 2008-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0354401&HistoricalAwards=false
• 关键词: Suoersymmetry; Superstrings; Phenomenology

Abstract0354401 PI: MohapatraThe goal of the research being undertaken by the Maryland Particle TheoryGroup is to search for the ultimate laws that govern the nature of particles, forces and the Universe. The focus will be to explore the nature of physics beyond the successful standard model of strong, weak and electromagnetic forces using results from neutrino physics and theoretical ideas such as supersymmetry, grand unification and string theory. Neutrino masses have already provided some clues as to the nature of this new physics. The current and planned experiments at various laboratories around the world using neutrinos, protons, electrons and muons are expected to add considerably to this knowledge. The plan is to use these results and predict new ones to test the different theoretical ideas mentioned above. This research will also explore ways to resolve some of the puzzles of cosmology such as nature of dark matter in the universe, origin of matter-anti-matter asymmetry, nature of the expansion of the early universe etc. using the same theoretical ideas and propose ways to test them in different experiments.The hope is that this research will provide answers to some of the outstanding questions of modern physics such as (i) what is the origin of the mass of fundamental particles; (ii) are all the diverse forces of nature such as gravity, electro-magnetism, weak and nuclear forces really different manifestations of one force that operates at very short distances; (iii) why are some forces weaker than others; (iv) are the most elementary building blocks of matter point-like particles or strings; (v) are there extra hidden space dimensions in nature? There will be strong participation in this research by post-doctoral associates, graduate students as well as undergraduate and high school students. It will therefore provide training for future scientists by bringing them into close contact with the frontier areas of research in this exciting field.

Abstract0354401 PI：Mohapatra 马里兰粒子理论小组正在进行的研究目标是寻找支配粒子、力和宇宙本质的终极法则。重点是利用中微子物理学的结果和超对称、大统一和弦理论等理论思想，探索强力、弱力和电磁力成功标准模型之外的物理本质。中微子质量已经为了解这种新物理学的本质提供了一些线索。世界各地的各个实验室目前和计划中的使用中微子、质子、电子和μ子的实验预计将大大增加这方面的知识。计划是利用这些结果并预测新的结果来测试上述不同的理论想法。这项研究还将探索如何使用相同的理论思想来解决宇宙学的一些难题，例如宇宙中暗物质的本质、物质反物质不对称性的起源、早期宇宙膨胀的本质等，并提出希望这项研究能够为现代物理学的一些突出问题提供答案，例如（i）基本粒子质量的起源是什么？ (ii) 所有不同的自然力，例如重力、电磁力、弱力和核力，是否都是在极短距离内作用的一种力的不同表现形式？ (iii) 为什么有些力量比其他力量弱； (iv) 是质点粒子或弦的最基本组成部分； (v) 自然界中是否存在额外的隐藏空间维度？博士后、研究生以及本科生和高中生将大力参与这项研究。因此，它将为未来的科学家提供培训，让他们与这个令人兴奋的领域的前沿研究领域密切接触。