用MonteCarlo方法和CONEX程序模拟掠地超高能τ中微子
Earth-skimming Ultra-high Energy Tau Neutrinos simulated with MonteCarlo method and CONEX code
摘要：
本文旨在研究建立一个掠地宇宙τ中微子探测器的可行性，目的是最终确定一个自然场地（山谷）的理想尺寸，以确定能量范围（显然，最高可能的数字范围从1015 eV到1020 eV），并可能在阿尔及利亚找到一个这样的场地。首先，进行中微子-[山]物质相互作用以及由此产生的τ轻子衰变的蒙特卡罗模拟，以确定山的最佳尺寸以及τ衰变在山谷中的位置。第二，使用CONEX选项进行CORSIKA（Cosmic Ray Simulation for KAscade）[1]模拟，以跟踪从τ轻子产生的几乎水平的空气簇射的演化。在簇射中产生的粒子有：电子、μ子、γ子、π子等。对这些颗粒的空间分布的研究使得能够发现山谷的最佳宽度，从而发现放置检测网络的距离。
英文摘要：
This paper aims to study the feasibility of building an Earth-skimming cosmic tau neutrinos detector, with the aim of eventually identifying the ideal dimensions of a natural site (mountainvalley) for the detection, with the energy range to be determined (evidently, the highest possible numbers range from 1015 eV to 1020 eV), and possibly locate one such site in Algeria. First, a Monte Carlo simulation of the neutrino-[mountain]matter interaction as well as the resulting decay of the tau lepton is conducted to determine the optimal dimensions of the mountain as well as the location of the tau decay in the valley. Second, a CORSIKA (COsmic Ray Simulation for KAscade) [1] simulation with the CONEX option is conducted to track the evolution of the almost horizontal air shower born from the tau lepton. Among the particles produced in the shower are: electrons, muons, gammas, pions, etc). The study of the spatial distribution of these particles enables the discovery of the optimal width of the valley, and consequently, the distance at which to lay the detection network.
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