Development of a Low-Energy Neutrino Spectrometer to Measure the Neutrino Luminosity of the Sun

这项提议的基本目标是建造和运行MINILENS，这是一个旨在检查透镜pp中微子探测器的基本实用可行性的原型。这包括展示镜头设计的能力：。为了区分主要由于靶标In-115的β活性的存在而产生的大背景。为了展示新发明的闪烁晶格室的技术结构和操作，它承诺提供卓越的位置分辨率，而不会遇到在透镜探测器的低能量特性下使用飞行时间方法的问题。证明有能力生产大容量(至少100英尺)S载液闪烁体，并对性能提出极其严格的要求。。为了表明在地下位置建造和运行的迷你探测器是坚固、稳定、安全的，能够提供所需的全面背景抑制(内部和外部)，甚至表明有能力探测模拟pp中微子的地面信号，从而衡量分析方案的探测效率。最后的结果将证明我们对背景和信号的控制。简而言之，迷你透镜的建造和运行将明确地证明透镜在所有技术方面的可行性，而全尺寸探测器的成本极低。

The basic objective of this proposal is to construct and operate MINILENS, a prototype designed to examine the fundamental practical feasibility of the LENS pp neutrino detector. This consists of demonstrating the ability of the LENS design:. To discriminate the large background basically due to the presence of the beta activity of the target In-115. To demonstrate the technical construction and operation of the newly invented scintillation lattice chamber that promises superior position resolution that does not suffer from the problems of using time-of-flight methods at the low energies characteristic of the LENS detector. To demonstrate the ability to produce large (at least 100's of liters of In-loaded liquid scintillator with extremely stringent demands on performance. . To show that MINILENS as constructed and operated in an underground location is robust, stable, safe and capable of delivering the required overall background suppression (both internal and external) and even show the ability to detect terrestrial signals that simulate pp neutrinos and thus measure the detection efficiency of the analysis protocols. The final results would demonstrate our control of both background and signal.In short, the construction and operation of MINILENS will unambiguously demonstrate the feasibility of LENS in all its technical aspects at a miniscule cost of the full scale detector.