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On the influence of stopping power formulations in the generation of fluorescence light at the shower axis

机译:关于停止功率公式对在淋浴轴产生荧光的影响

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The measurement of the fluorescence radiation in the atmosphere, induced by fast ionizing particles fromultra-high energy cosmic ray showers, is an important branch of research that has been opened up since the operationof the first fluorescence telescopes. The charged particles from the showers' electromagnetic component deposit part oftheir energy by the ionization and excitation of air molecules. These molecules, upon returning to their ground state,produce fluorescence light in the near-ultraviolet spectrum which can be detected as a track along the line of the showers'longitudinal development.In this work, we present a detailed study on the energy deposit of electromagnetic particles in several atmospheric layersup to 35 km in altitude, taking into account parameterizations for density, temperature and composition of each layer andtest different formulations for the energy deposit. Then, we use parameterizations for fluorescence yield to generate thetotal number of photons in the shower axis as a function of the slant depth.
机译:自超高能宇宙射线阵雨中的快速电离粒子引起的大气中荧光辐射的测量是自第一台荧光望远镜运行以来已经展开的重要研究领域。喷头电磁成分产生的带电粒子通过空气分子的电离和激发而沉积出一部分能量。这些分子返回到基态后会产生近紫外光谱的荧光,可以将其检测为沿着淋浴器纵向发展的轨迹。在这项工作中,我们将对分子的能量沉积进行详细研究。考虑到密度,温度和每一层组成的参数化并测试了不同的能量沉积配方,在高达35 km的几个大气层中的电磁粒子。然后,我们使用参数化的荧光产量来生成在淋浴轴上的光子总数作为倾斜深度的函数。

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