IceCube-Gen2: The Window to the Extreme Universe
The IceCube-Gen2 Collaboration: M. G. Aartsen, R. Abbasi, M., Ackermann, J. Adams, J. A. Aguilar, M. Ahlers, M. Ahrens, C. Alispach, P., Allison, N. M. Amin, K. Andeen, T. Anderson, I. Ansseau, G. Anton, C., Arg\"uelles, T. C. Arlen, J. Auffenberg, S. Axani, H. Bagherpour

TL;DR
IceCube-Gen2 is a next-generation neutrino observatory designed to significantly enhance our ability to detect and analyze ultra-high-energy cosmic neutrinos, thereby opening new windows into understanding the universe's most extreme environments and fundamental physics.
Contribution
This paper introduces IceCube-Gen2, a large-scale upgrade to IceCube that will increase detection rates, extend energy range, and enable multi-messenger astrophysics at unprecedented levels.
Findings
Expected to increase neutrino detection rate tenfold
Will detect sources five times fainter than IceCube
Extends energy range by several orders of magnitude
Abstract
The observation of electromagnetic radiation from radio to -ray wavelengths has provided a wealth of information about the universe. However, at PeV (10 eV) energies and above, most of the universe is impenetrable to photons. New messengers, namely cosmic neutrinos, are needed to explore the most extreme environments of the universe where black holes, neutron stars, and stellar explosions transform gravitational energy into non-thermal cosmic rays. The discovery of cosmic neutrinos with IceCube has opened this new window on the universe. In this white paper, we present an overview of a next-generation instrument, IceCube-Gen2, which will sharpen our understanding of the processes and environments that govern the universe at the highest energies. IceCube-Gen2 is designed to: 1) Resolve the high-energy neutrino sky from TeV to EeV energies; 2) Investigate cosmic particle…
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