U.S.-Korea Cooperative Research: Measurements of 5th Structure Function for Single Pion Electro-Production In the Delta(1232) Resonance Region
美韩合作研究:Delta(1232)共振区单π介子电产第五结构函数的测量
基本信息
- 批准号:0424533
- 负责人:
- 金额:$ 1.96万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2004
- 资助国家:美国
- 起止时间:2004-09-01 至 2007-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
OISE-0424533JooThis award facilitates a three-year international collaborative research project between Professor Kyungseon Joo of the Physics Department of the University of Connecticut and Professor Wooyoung Kim of the Physics Department of Kyungpook National University in Korea. A graduate student and post-doctoral fellow working with Professor Joo will participate in the collaborative research and travel to Korea.Intellectual MeritThe main focus of Dr. Joo's research is in electromagnetic excitation of nucleon resonances. This area of physics research is aimed at understanding the internal structure and dynamics of the nucleon and addressing long-standing questions about the relevant sub-nucleon degrees of freedom. This is one of the important problems in hadron physics. There are only isolated energies where enough information exists to make a completely model-dependant analysis. The particular goal of this collaborative research is to determine the fifth structure function (sigma-LT-prime) for single pion electron in the specific resonance region "delta-1232." To accomplish this, Dr. Joo and his collaborator will make use of the electron beam Large Acceptance Spectrometer of the Jefferson National Accelerator Facility in Virginia, which is uniquely suited for study of nucleon resonances physics. The measurements they obtain will provide important information about the interference between resonant and non-resonant terms and help to understand the structure of nucleon in the framework of strong Quantum Chromodynamics. Broader ImpactsThis collaboration strengthens the links between two very active research groups in theU.S. and Korea that have complementary expertise. It also enhances the training of youngphysicists in a frontier area of fundamental physics, which is important to keep the fieldstrong. A graduate student and a postdoctoral fellow from the University of Connecticut gain international research experience by visiting Professor Kim's research group in Korea. The cost of this research is shared because Professor Kim's research is supported by the Korean Science and Engineering Foundation (KOSEF).
OISE-0424533 Joo该奖项促进了康涅狄格大学物理系Kyungseon Joo教授和韩国庆北国立大学物理系Wooyoung Kim教授之间为期三年的国际合作研究项目。与Joo教授一起工作的一名研究生和博士后研究员将参加合作研究并前往韩国。学术成就Joo博士的主要研究重点是核子共振的电磁激发。这一物理学研究领域的目的是了解核子的内部结构和动力学,并解决长期存在的有关亚核子自由度的问题。这是强子物理学中的重要问题之一。只有孤立的能量存在足够的信息来进行完全依赖于模型的分析。本次合作研究的具体目标是确定单π电子在特定共振区“δ-1232”的第五结构函数(σ-LT-撇)。“为了实现这一目标,Joo博士和他的合作者将利用弗吉尼亚州杰斐逊国家加速器设施的电子束大型接受光谱仪,该仪器非常适合核子共振物理学的研究。它们所获得的测量结果将提供关于共振项和非共振项之间干涉的重要信息,并有助于在强量子色动力学框架下理解核子的结构。更广泛的影响这次合作加强了美国两个非常活跃的研究小组之间的联系。和韩国有互补的专业知识。它还加强了基础物理学前沿领域的物理学家的培训,这对保持强大的场很重要。康涅狄格大学的研究生和博士后访问韩国Kim教授的研究小组,获得国际研究经验。这项研究的费用是分摊的,因为金教授的研究得到了韩国科学和工程基金会(KOSEF)的支持。
项目成果
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