A muon-track reconstruction exploiting stochastic losses for large-scale Cherenkov detectors

Abstract:

The IceCube Neutrino Observatory is a cubic-kilometre neutrino telescope located at the geographic South Pole [1, 2]. It consists of 5160 digital optical modules (DOMs), each containing a 10-inch photomultiplier tube (PMT). The PMTs detect Cherenkov photons emitted from charged secondary particles, ie electrons and muons, created in neutrino interactions in the surrounding ice. The ice in which IceCube is deployed is of glacial origin and exceptionally pure. However, it contains impurities such as dust and volcanic ash, most prominently in a layer between∼ 2000m and∼ 2100m depth [3–5]. Further irregularities in the ice include bubble columns in the refrozen ice around the strings of DOMs, a tilt of the ice sheet, and an anisotropic attenuation aligned with the local flow of the ice [6, 7]. A series of light-emitting diodes (LEDs) are used to illuminate the PMTs and parametrize the ice properties [5]. In 2013, the …

Año de publicación:

2021

Keywords:

Fuente:

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