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An innovative optical module (OM) with segmented light-sensitive area has been developed for IceCube-Gen2 that will take neutrino astronomy at the South Pole to the next level. It builds on the successful features of the mDOM and D-Egg…

Instrumentation and Methods for Astrophysics · Physics 2025-07-14 Alexander Kappes

The IceCube neutrino observatory is a 3D array of photodetectors installed in the Antarctic ice. It consists of 5,160 photomultiplier-tubes spread among 86 vertical strings making a total detector volume of more than a cubic kilometer. It…

High Energy Astrophysical Phenomena · Physics 2019-08-21 Christoph Tönnis

Gamma-ray bursts (GRBs) have long been proposed as a potential source of high-energy neutrinos. Although no confirmed association between GRBs and neutrinos has been established, meaningful constraints have been placed on GRB prompt…

High Energy Astrophysical Phenomena · Physics 2025-07-08 Wenkang Lian , Shunke Ai , He Gao

The IceCube Neutrino Observatory, which instruments 1$\,$km$^3$ of clear ice at the geographic South Pole, was mainly designed to detect particles with energies in the multi-GeV to PeV range. Due to ice temperatures between $-20^\circ$C to…

High Energy Astrophysical Phenomena · Physics 2019-08-21 Robert Cross , Alexander Fritz , Spencer Griswold

The IceCube Neutrino Observatory includes a tightly spaced inner array in the deepest ice, called DeepCore, which gives access to low-energy neutrinos with a sizable surrounding cosmic ray muon veto. Designed to be sensitive to neutrinos at…

High Energy Physics - Experiment · Physics 2019-08-13 Chang Hyon Ha

We show that a kilometer-scale neutrino observatory, though optimized for detecting neutrinos of TeV to PeV energy, can reveal the science associated with the enigmatic super-EeV radiation in the Universe. Speculations regarding its origin…

Astrophysics · Physics 2009-11-06 J. Alvarez-Muniz , F. Halzen

Motivated by the discovery of the first high-energy astrophysical neutrino source, the blazar TXS 0506+056, we revisit the IceCube flavor ratio analysis. Assuming large statistics from identified blazars, collected in the forthcoming years…

High Energy Physics - Phenomenology · Physics 2019-02-14 Vedran Brdar , Rasmus S. L. Hansen

High-energy (TeV-PeV) cosmic neutrinos are expected to be produced in extremely energetic astrophysical sources such as active galactic nuclei. The IceCube Neutrino Observatory at the South Pole has recently detected a diffuse astrophysical…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Donglian Xu

While the Standard Model has experienced great predictive success, the neutrino sector still holds opportunities for surprises. Numerous ongoing and planned experiments exist to probe neutrino properties at low energies. The IceCube…

High Energy Physics - Experiment · Physics 2020-01-24 Tianlu Yuan

The IceCube Neutrino Observatory will be upgraded with more than 700 additional optical sensor modules and new calibration devices. Improved calibration will enhance IceCube's physics capabilities both at low and high neutrino energies. An…

Instrumentation and Methods for Astrophysics · Physics 2021-08-23 Jürgen Borowka , Christoph Günther , Dirk Heinen , Simon Zierke

Since the end of the 2005-2006 austral summer, the IceCube detector consists of an array of 9 strings, deployed between 1450 m and 2450 m of depth and containing 540 digital optical sensors and 16 IceTop surface stations with 64 sensors.…

Astrophysics · Physics 2019-08-14 Paolo Desiati

In this chapter, we describe how the IceCube Neutrino Observatory transformed a cubic kilometer of natural ice at the geographic South Pole into a neutrino telescope. The concept of using the neutrino as an astronomical messenger is as old…

High Energy Astrophysical Phenomena · Physics 2024-11-26 Francis Halzen , John Kelley

The IceCube Neutrino Observatory detects neutrinos at energies orders of magnitude higher than those available to current accelerators. Above 40 TeV, neutrinos traveling through the Earth will be absorbed as they interact via charged…

High Energy Astrophysical Phenomena · Physics 2021-08-23 S. Robertson

The IceCube Neutrino Observatory has the invaluable capability of continuously monitoring the whole sky. This has affirmed the role of IceCube as a sentinel, providing real-time alerts to the astrophysical community on the detection of…

High Energy Astrophysical Phenomena · Physics 2023-07-31 Caterina Boscolo Meneguolo , Elisa Bernardini , Sarah Mancina

The observed dark matter abundance in the Universe can be explained with non-thermal, heavy dark matter models. In order for dark matter to still be present today, its lifetime has to far exceed the age of the Universe. In these scenarios,…

High Energy Astrophysical Phenomena · Physics 2021-07-27 Minjin Jeong

The IceCube collaboration reports a detection of extra-terrestrial neutrinos. The isotropy and flavor content of the signal, and the coincidence, within current uncertainties, of the 50 TeV to 2 PeV flux and the spectrum with the…

High Energy Astrophysical Phenomena · Physics 2015-11-04 E. Waxman

Recently we have shown that high-energy neutrinos above 200 TeV detected by IceCube are produced within several parsecs in the central regions of radio-bright blazars, that is active galactic nuclei with jets pointing towards us. To…

High Energy Astrophysical Phenomena · Physics 2021-02-22 A. V. Plavin , Y. Y. Kovalev , Y. A. Kovalev , S. V. Troitsky

The IceCube Neutrino Observatory is a cubic-kilometer Cherenkov array deployed in the deep, glacial ice at the geographic South Pole. An important feature of the instrumented ice are undulations of layers of constant optical properties over…

High Energy Astrophysical Phenomena · Physics 2025-07-10 Anna Eimer , Martin Rongen

The planned in-ice radio array of IceCube-Gen2 at the South Pole will provide unprecedented sensitivity to ultra-high-energy (UHE) neutrinos in the EeV range. The ability of the detector to measure the neutrino's energy and direction is of…

High Energy Astrophysical Phenomena · Physics 2023-08-02 Nils Heyer , Christian Glaser , Thorsten Glüsenkamp

Located at the South Pole, the IceCube Neutrino Observatory is the world largest neutrino telescope, instrumenting one cubic kilometre of Antarctic ice at a depth between 1450m to 2450m. In 2013 IceCube reported the first observations of a…

High Energy Astrophysical Phenomena · Physics 2019-09-13 Matthias Huber