Neutrino Astronomy - A Review of Future Experiments

TL;DR

This review discusses future neutrino telescope experiments across different energy ranges, highlighting upgrades and new technologies aimed at improving sensitivity and expanding the observable neutrino spectrum.

Contribution

It provides a comprehensive overview of planned and proposed neutrino detectors and upgrades, outlining strategies for enhanced sensitivity in low, medium, and high-energy neutrino astronomy.

Findings

Infill detector upgrades will improve sensitivity for neutrino mass hierarchy.

Next-generation detectors in the Mediterranean and Lake Baikal will significantly increase sensitivity.

Radio detection methods are promising for ultra-high-energy neutrino observations.

Abstract

Current generation neutrino telescopes cover an energy range from about 10 GeV to beyond $10^9$ GeV. IceCube sets the scale for future experiments to make improvements. Strategies for future upgrades will be discussed in three energy ranges. At the low-energy end, an infill detector to IceCube's DeepCore would add sensitivity in the energy range from a few to a few tens of GeV with the primary goal of measuring the neutrino mass hierarchy. In the central energy range of classical optical neutrino telescopes, next generation detectors are being pursued in the Mediterranean and at Lake Baikal. The KM3NeT detector in its full scale would establish a substantial increase in sensitivity over IceCube. At the highest energies, radio detectors in ice are among the most promising and pursued technologies to increase exposure at $10^9$ GeV by more than an order of magnitude compared to IceCube.