为什么我们要继续测量μ介子通量的天顶依赖性?在坎皮纳斯(SP)BR获得的结果
Why should we keep measuring zenital dependence of muon flux? Results obtained at Campinas (SP) BR
摘要:
众所周知,到达地球表面的μ子通量的天顶依赖性与cos^n(θ)成正比。通常,为了实用目的和计算的简单性,n取为2。然而,测量结果的汇编显示依赖于实验的地理位置以及μ子的能量范围。由于分析的解决方案似乎是越来越不必要的,因为更高的访问低成本的计算能力,准确和精确的确定指数n的值,在不同的条件下,可以是有用的必要的计算,以估计信号和背景,无论是地面和地下实验。在这项工作中,我们讨论了一种方法,用于测量n使用一个简单的μ子望远镜和测量结果在坎皮纳斯(SP),巴西。验证的方法后,我们打算扩展不同的地理位置的测量,由于该方法的简单性,从而收集更多的值的n,目前存在于汇编的一般数据宇宙射线。
英文摘要:
The zenital dependence of muon flux which reaches the earth's surface is well known as proportional to cos^n(θ). Generally, for practical purposes and simplicity in calculations, n is taken as 2. However, compilations of measurements show dependence on the geographical location of the experiments as well as the muons energy range. Since analytical solutions appear to be increasingly less necessary because of the higher accessibility to low cost computational power, accurate and precise determination of the value of the exponent n, under different conditions, can be useful in the necessary calculations to estimate signals and backgrounds, either for terrestrial and underground experiments. In this work we discuss a method for measuring n using a simple muon telescope and the results obtained for measurements taken at Campinas (SP), Brazil. After validation of the method, we intend to extend the measurements for different geographic locations due to the simplicity of the method, and thus collect more values of n that currently exist in compilations of general data on cosmic rays.
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