A Proposal to Study the Electroweak Force via Neutrino Interactions and Hypernuclear Physics at CEBAF

CEBAF 通过中微子相互作用和超核物理研究弱电力的提案

• 批准号: 9412771
• 负责人: Kathleen Johnston
• 金额: $ 25.31万
• 依托单位: Louisiana Tech University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1994
• 资助国家: 美国
• 起止时间: 1994-07-01 至 1998-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9412771&HistoricalAwards=false
• 关键词: Proposal; Study; Electroweak; Force; via

9412771 Johnston Research will be carried out at LAMPF into the flavor changing probability for neutrinos produced in various pion decay modes. An active detector based on 200 tons of liquid scintillator will be used to detect reaction products following inverse beta-decay on protons in the scintillator. Limits set on the cross section for this and related processes will set new limits, improved by at least an order of magnitude over existing limits, on the neutrino mass differences between different flavor neutrinos. Research in electroproduction of hypernuclei will be carried out at CEBAF, focusing on the lambda(hyperon)-nucleon effective interaction. A specialized spectrometer will be developed for tagging the virtual photon which initiates the reaction. ***

9412771约翰斯顿 LAMPF将研究在各种π衰变模式中产生的中微子的味道变化概率。 将使用一个基于200吨液体闪烁体的有源探测器来探测闪烁体中质子逆β衰变后的反应产物。 对这一过程和相关过程的横截面设定的限制，将对不同味中微子之间的中微子质量差异设定新的限制，比现有的限制至少提高一个数量级。 将在CEBAF进行超核电产生的研究，重点是λ（超子）-核子有效相互作用。 一个专门的光谱仪将被开发用于标记引发反应的虚光子。 ***