213 citations · 1.2k across the 48 of their papers we have counts for
35 papers · 1 filter
The First Array-Wide Diffuse Flux Search for UHE Neutrinos with the Askaryan Radio Array
Alan Salcedo-Gomez, Marco Stein Muzio, for the ARA Collaboration
The Askaryan Radio Array (ARA) is an ultrahigh energy (UHE) neutrino detector at the South Pole that searches for impulsive broadband radio signals from neutrino-induced particle s…
High-Fidelity Simulations of the Full Askaryan Radio Array and its Sensitivity to Ultra-High Energy Neutrinos
Abigail Bishop, Alan Salcedo Gomez, Marco Stein Muzio
The Askaryan Radio Array (ARA) is a five-station, in-ice radio detector located at the South Pole searching for particle cascades from cosmogenic and astrophysical neutrinos with $…
The IceCube-Gen2 Collaboration -- Contributions to the 39th International Cosmic Ray Conference (ICRC2025)
R. Abbasi, M. Ackermann, J. Adams +465
IceCube-Gen2 is a planned next-generation neutrino observatory at the South Pole that builds upon the successful design of IceCube. Integrating two complementary detection technolo…
Ultrahigh energy cosmic rays and neutrino flux models
Marco Stein Muzio
In this review we motivate ultrahigh energy neutrino searches and their connection to ultrahigh energy cosmic rays. We give an overview of neutrino production mechanisms and their…
Emergence of a neutrino flux above 5 PeV and implications for ultrahigh energy cosmic rays
Marco S. Muzio, Tianlu Yuan, Lu Lu
The rare detections of astrophysical neutrinos with energies above 5~PeV by two neutrino telescopes underscore the existence of a flux at these energies. In addition to over a deca…
Ultra-High-Energy Cosmic Rays Accelerated by Magnetically Dominated Turbulence
Luca Comisso, Glennys R. Farrar, Marco S. Muzio
Ultra-High-Energy Cosmic Rays (UHECRs), particles characterized by energies exceeding eV, are generally believed to be accelerated electromagnetically in high-energy astr…
VAE-based latent-space classification of RNO-G data
Thorsten Glüsenkamp
The Radio Neutrino Observatory in Greenland (RNO-G) is a radio-based ultra-high energy neutrino detector located at Summit Station, Greenland. It is still being constructed, with 7…
A Peters cycle at the end of the cosmic ray spectrum?
Marco Stein Muzio, Luis A. Anchordoqui, Michael Unger
We investigate the degree to which current ultrahigh energy cosmic ray observations above the ankle support a common maximum rigidity for all nuclei, often called a Peters cycle, o…
Progress Towards a Diffuse Neutrino Search in the Full Livetime of the Askaryan Radio Array
Paramita Dasgupta, Marco Stein Muzio
The Askaryan Radio Array (ARA) is an in-ice ultrahigh energy (UHE, PeV) neutrino experiment at the South Pole that aims to detect radio emissions from neutrino-induced partic…
Probing extreme astrophysical accelerators through neutrino anisotropy
Marco Stein Muzio, Noémie Globus
We present the extent to which anisotropies in the ultrahigh energy neutrino sky can probe the distribution of extreme astrophysical accelerators in the universe. In this talk, we…
Multimessenger Potential of the Radio Neutrino Observatory in Greenland
Marco Stein Muzio
The Radio Neutrino Observatory in Greenland (RNO-G) is the only ultrahigh energy (UHE, ~PeV) neutrino monitor of the Northern sky and will soon be the world's most sen…
Data-driven analysis for understanding ultrahigh energy cosmic ray source spectra
Marco Stein Muzio, Luis A. Anchordoqui, Michael Unger
One of the most challenging open questions regarding the origin of ultrahigh energy cosmic rays (UHECRs) deals with the shape of the source emission spectra. A commonly-used simpli…
Neutrino anisotropy as a probe of extreme astrophysical accelerators
Marco Stein Muzio, Noémie Globus
We predict that neutrino sources following the matter distribution of the universe result in an anisotropy in the neutrino sky imprinted by the local large-scale structure. We calc…
Search for UHE Photons from Gravitational Wave Sources with the Pierre Auger Observatory
The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +368
A search for time-directional coincidences of ultra-high-energy (UHE) photons above 10 EeV with gravitational wave (GW) events from the LIGO/Virgo runs O1 to O3 is conducted with t…
Constraining models for the origin of ultra-high-energy cosmic rays with a novel combined analysis of arrival directions, spectrum, and composition data measured at the Pierre Auger Observatory
The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +371
The combined fit of the measured energy spectrum and shower maximum depth distributions of ultra-high-energy cosmic rays is known to constrain the parameters of astrophysical model…
Prospects for joint cosmic ray and neutrino constraints on the evolution of trans-GZK proton sources
Marco Stein Muzio, M. Unger, Stephanie Wissel
We consider the prospects for future ultrahigh energy cosmic ray and neutrino observations to constrain the evolution of sources producing a proton flux above 10 EeV (1 EeV = 10^18…
A Catalog of the Highest-Energy Cosmic Rays Recorded During Phase I of Operation of the Pierre Auger Observatory
The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +376
A catalog containing details of the highest-energy cosmic rays recorded through the detection of extensive air-showers at the Pierre Auger Observatory is presented with the aim of…
Constraining the sources of ultra-high-energy cosmic rays across and above the ankle with the spectrum and composition data measured at the Pierre Auger Observatory
The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +365
In this work we present the interpretation of the energy spectrum and mass composition data as measured by the Pierre Auger Collaboration above eV. We use an ast…
Searches for Ultra-High-Energy Photons at the Pierre Auger Observatory
The Pierre Auger Collaboration, P. Abreu, M. Aglietta +362
The Pierre Auger Observatory, being the largest air-shower experiment in the world, offers an unprecedented exposure to neutral particles at the highest energies. Since the start o…
Constraints on the hosts of UHECR accelerators
Marco Stein Muzio, Glennys R. Farrar
Interactions of ultrahigh energy cosmic rays in the surroundings of their accelerators can naturally explain the observed spectrum and composition of UHECRs, including the abundanc…
Search for photons above 10 eV with the surface detector of the Pierre Auger Observatory
The Pierre Auger Collaboration, P. Abreu, M. Aglietta +365
We use the surface detector of the Pierre Auger Observatory to search for air showers initiated by photons with an energy above eV. Photons in the zenith angle range from…
Cosmological implications of photon-flux upper limits at ultra-high energies in scenarios of Planckian-interacting massive particles for dark matter
The Pierre Auger Collaboration, P. Abreu, M. Aglietta +374
Using the data of the Pierre Auger Observatory, we report on a search for signatures that would be suggestive of super-heavy particles decaying in the Galactic halo. From the lack…
Investigating Hadronic Interactions at Ultra-High Energies with the Pierre Auger Observatory
Isabel Goos, :, P. Abreu +374
The development of an extensive air shower depends not only on the nature of the primary ultra-high-energy cosmic ray but also on the properties of the hadronic interactions. For e…
Ultra-High-Energy Cosmic Rays: The Intersection of the Cosmic and Energy Frontiers
A. Coleman, J. Eser, E. Mayotte +95
The present white paper is submitted as part of the "Snowmass" process to help inform the long-term plans of the United States Department of Energy and the National Science Foundat…