FNAL-Homestake LBNE设置中的参数简并
Parameter degeneracies in FNAL-Homestake LBNE setup
摘要:
长基线中微子振荡实验(LBNE)为研究中微子振荡参数空间的灵敏度和排除极限提供了强有力的实验装置。美国正在计划从费米实验室国家加速器实验室到南达科他州Homestake的一个地下实验室进行一项长基线实验,该实验室与费米实验室成5.84度角(距离1,289公里)。从FNAL向该地点发射一条新光束线的前景,以及在该地点安装一个300千吨水切伦科夫探测器的前景正在规划阶段,用于中微子物理方案的研究。长基线为中微子旅行提供了足够的物质效应,而大的detrecor将有助于更好的统计。在这项工作中,我们提出,在多大程度上,参数退化,目前在振荡参数空间,可以解决,使用这种FNAL-LBNE设置。
英文摘要:
LBNE (Longbaseline Neutrino Oscillation Experiments) provide a powerful experimental setup to study sensitivities and exlcusion limits in neutrino oscillation parameter space. A longbaseline experiment is being planned, at USA, from FNAL (Fermilab National Accelerator Laboratory) to an underground laboratory at Homestake in South Dakota, at an angle of 5.84 degrees from FNAL (at a distance of 1289 km). The prospect of a new beamline towards this location from FNAL, and a 300 Kiloton water Cerenkov detector at the site is in planning stage, for the studies of the neutrino physics program. The long baseline provides sufficient matter effects for neutrino travel, and a large detrecor will help towards better statistics. In this work, we present, upto what extent, the parameter degeneracies, present in oscillation parameter space, can be resolved, using this FNAL-LBNE setup.
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