Open questions in cosmic-ray research at ultrahigh energies

R Alves Batista, J Biteau, M Bustamante… - Frontiers in Astronomy …, 2019 - frontiersin.org
We review open questions and prospects for progress in ultrahigh-energy cosmic ray
(UHECR) research, based on a series of discussions that took place during the “The High …

Grand unified neutrino spectrum at Earth: Sources and spectral components

E Vitagliano, I Tamborra, G Raffelt - Reviews of Modern Physics, 2020 - APS
The dominant neutrino fluxes at Earth from different sources are reviewed and the grand
unified neutrino spectrum ranging from meV to PeV energies is presented. For each energy …

Neutrino emission from the direction of the blazar TXS 0506+ 056 prior to the IceCube-170922A alert

IceCube Collaboration, M Aartsen, M Ackermann… - Science, 2018 - science.org
A high-energy neutrino event detected by IceCube on 22 September 2017 was coincident in
direction and time with a gamma-ray flare from the blazar TXS 0506+ 056. Prompted by this …

IceCube-Gen2: the window to the extreme Universe

MG Aartsen, R Abbasi, M Ackermann… - Journal of Physics G …, 2021 - iopscience.iop.org
The observation of electromagnetic radiation from radio to γ-ray wavelengths has provided a
wealth of information about the Universe. However, at PeV (10 15 eV) energies and above …

IceCube high-energy starting event sample: Description and flux characterization with 7.5 years of data

R Abbasi, M Ackermann, J Adams, JA Aguilar, M Ahlers… - Physical Review D, 2021 - APS
The IceCube Neutrino Observatory has established the existence of a high-energy all-sky
neutrino flux of astrophysical origin. This discovery was made using events interacting within …

Letter of intent for KM3NeT 2.0

S Adrian-Martinez, M Ageron… - Journal of Physics G …, 2016 - iopscience.iop.org
The main objectives of the KM3NeT Collaboration are (i) the discovery and subsequent
observation of high-energy neutrino sources in the Universe and (ii) the determination of the …

The zwicky transient facility: science objectives

MJ Graham, SR Kulkarni, EC Bellm… - Publications of the …, 2019 - iopscience.iop.org
Abstract The Zwicky Transient Facility (ZTF), a public–private enterprise, is a new time-
domain survey employing a dedicated camera on the Palomar 48-inch Schmidt telescope …

Observation and Characterization of a Cosmic Muon Neutrino Flux from the Northern Hemisphere using six years of IceCube data

MG Aartsen, K Abraham, M Ackermann… - The Astrophysical …, 2016 - iopscience.iop.org
The detection of high-energy cosmic neutrinos as cosmic messengers has been an
important goal of astroparticle physics. Being stable, electrically neutral particles, high …

Characteristics of the diffuse astrophysical electron and tau neutrino flux with six years of IceCube high energy cascade data

MG Aartsen, M Ackermann, J Adams, JA Aguilar… - Physical review …, 2020 - APS
We report on the first measurement of the astrophysical neutrino flux using particle showers
(cascades) in IceCube data from 2010–2015. Assuming standard oscillations, the …

High-energy and ultra-high-energy neutrinos: A Snowmass white paper

M Ackermann, M Bustamante, L Lu, N Otte… - Journal of high energy …, 2022 - Elsevier
Astrophysical neutrinos are excellent probes of astroparticle physics and high-energy
physics. With energies far beyond solar, supernovae, atmospheric, and accelerator …