Detecting neutrinos in IceCube with Cherenkov light in the South Pole ice
Tianlu Yuan (for the IceCube Collaboration)

TL;DR
IceCube detects high-energy neutrinos through Cherenkov light in Antarctic ice, with recent upgrades enhancing sensitivity, calibration, and potential for new physics insights in neutrino astronomy.
Contribution
The paper details the current IceCube detector, recent improvements, and plans for the next-generation IceCube Upgrade and Gen2, advancing neutrino detection capabilities.
Findings
Successful detection of astrophysical neutrinos.
Enhanced ice characterization improves reconstruction accuracy.
Upcoming upgrades will extend sensitivity to lower energies.
Abstract
The IceCube Neutrino Observatory detects GeV-to-PeV+ neutrinos via the Cherenkov light produced by secondary charged particles from neutrino interactions with the South Pole ice. The detector consists of over 5000 spherical Digital Optical Modules (DOM), each deployed with a single downward-facing photomultiplier tube (PMT) and arrayed across 86 strings over a cubic-kilometer. IceCube has measured the astrophysical neutrino flux, searched for their origins, and constrained neutrino oscillation parameters and cross sections. These were made possible by an in-depth characterization of the glacial ice, which has been refined over time, and novel approaches in reconstructions that utilize fast approximations of Cherenkov yield expectations. After over a decade of nearly continuous IceCube operation, the next generation of neutrino telescopes at the South Pole are taking shape. The IceCube…
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Neutrino Physics Research · Superconducting and THz Device Technology
