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

[9412771]约翰斯顿将在LAMPF进行研究，研究在各种介子衰变模式下产生的中微子的风味变化概率。基于200吨液体闪烁体的有源探测器将用于探测闪烁体中质子逆衰变后的反应产物。在这个和相关过程的横截面上设置的限制将设置新的限制，在不同口味的中微子之间的中微子质量差异上至少比现有的限制提高一个数量级。CEBAF将开展超核电生产的研究，重点是λ（超子）-核子有效相互作用。一种专门的光谱仪将用于标记引发反应的虚光子。＊＊＊

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. ***