RUI: Interatomic Potentials for Helium-Rare Gas Interactions (Physics)

RUI：氦-稀有气体相互作用的原子间势（物理）

• 批准号: 9103015
• 负责人: David Nitz
• 金额: $ 5.96万
• 依托单位: Saint Olaf College
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1991
• 资助国家: 美国
• 起止时间: 1991-06-01 至 1993-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9103015&HistoricalAwards=false
• 关键词: RUI; Interatomic; Potentials; Helium; Rare

Data from small-angle scattering in collisions between helium projectiles and rare gas target atoms will be analyzed to yield accurate determinations of the ground state potential energy of these systems as a function of internuclear separation. Results will be obtained by fitting a realistic potential model (HFD) to published keV-energy collision data using a least squares minimization procedure. The focus of this study is the repulsive barrier at energies greater than 0.1 eV, a region which at present is poorly characterized relative to our understanding of the interaction potential at lower energies. The work will be carried out primarily by undergraduate students and will provide excellent training for them on a project that is well suited for undergraduate participation and will train them the techniques of computer based reduction of experimental data.

来自碰撞中小角度散射的数据 氦射弹和稀有气体靶原子将被分析， 产生基态电势的精确测定 这些系统的能量是核间分离的函数。 结果将通过拟合一个现实的潜力模型 (HFD)发表的keV能量碰撞数据使用最少的 平方最小化程序。 本研究的重点是 在能量大于0.1eV时的排斥势垒， 相对于我们的理解， 在较低能量下的相互作用势。 这项工作将主要由本科生进行 学生，并将为他们提供良好的培训， 非常适合本科生参与的项目， 将培训他们的技术，计算机为基础的减少 实验数据