activity
20122026
most citedDepth of Maximum of Air-Shower Profiles at the Pierre Auger Observatory: Composition Implications

309 citations · 1.6k across the 27 of their papers we have counts for

collaborators

27 papers

hep-ex2026

Testing Heavy Dark Matter Decay as the Origin of KM3-230213A

KM3NeT Collaboration, O. Adriani, J. A. Aguilar +287

This work explores the hypothesis that the ultra-high-energy neutrino event KM3-230213A originates from the decay of a heavy dark matter particle with a mass above PeV scale. The a…

astro-ph.HE2026

Implications of a Cosmogenic Origin of KM3-230213A for Ultra-High-Energy Protons

A. R. Alhebsi, Arjen van Vliet, Domenik Ehlert +1

A significant neutrino event with an estimated energy between and was recently observed by the KM3NeT experiment (KM3-230213A). When interpre…

astro-ph.IM2025

Ideas and Requirements for the Global Cosmic-Ray Observatory (GCOS)

Markus Ahlers, Ingo Allekotte, Jaime Alvarez-Muniz +136

After a successful kick-off meeting in 2021. two workshops in 2022 and 2023 on the future Global Cosmic-Ray Observatory (GCOS) focused mainly on a straw man design of the detector…

astro-ph.HE2025

Characterizing Candidate Blazar Counterparts of the Ultra-High-Energy Event KM3-230213A

KM3NeT Collaboration, MessMapp Group, LAT Collaboration +13

High-energy astrophysical neutrinos serve as crucial messengers for understanding hadronic acceleration processes and identifying the origins of cosmic rays, with blazars among the…

astro-ph.HE2025

Influence of the Galactic Halo on the UHECR Multipoles

Vasundhara Shaw, Arjen Van Vliet, Andrew M. Taylor

We examine the effects of a giant magnetized halo around the Galaxy on the angular distribution of the arriving ultra-high energy cosmic rays (UHECR) observed at Earth. We investig…

hep-ex2024

Measurement of neutrino oscillation parameters with the first six detection units of KM3NeT/ORCA

KM3NeT Collaboration, S. Aiello, A. Albert +260

KM3NeT/ORCA is a water Cherenkov neutrino detector under construction and anchored at the bottom of the Mediterranean Sea. The detector is designed to study oscillations of atmosph…

astro-ph.HE2023★ 1 cited

CRPropa 3.2: a public framework for high-energy astroparticle simulations

Sophie Aerdker, Rafael Alves Batista, Julia Becker Tjus +16

CRPropa is a Monte Carlo framework for simulating the propagation of (ultra-) high-energy particles in the Universe, including cosmic rays, gamma rays, electrons, and neutrinos. It…

astro-ph.HE2023★ 16 cited

Constraints on the proton fraction of cosmic rays at the highest energies and the consequences for cosmogenic neutrinos and photons

Domenik Ehlert, Arjen van Vliet, Foteini Oikonomou +1

Over the last decade, observations have shown that the mean mass of ultra-high-energy cosmic rays (UHECRs) increases progressively toward the highest energies. However, the precise…

astro-ph.HE2022★ 12 cited

Differences Between the Pierre Auger Observatory and Telescope Array Spectra: Systematic Effects or Indication of a Local Source of Ultra-High-Energy Cosmic Rays?

Pavlo Plotko, Arjen van Vliet, Xavier Rodrigues +1

The Pierre Auger Observatory (PAO) and Telescope Array (TA) collaborations report significant differences in the observed energy spectra of ultra-high-energy cosmic rays (UHECRs) a…

astro-ph.HE2022★ 103 cited

CRPropa 3.2 -- an advanced framework for high-energy particle propagation in extragalactic and galactic spaces

Rafael Alves Batista, Julia Becker Tjus, Julien Dörner +14

The landscape of high- and ultra-high-energy astrophysics has changed in the last decade, largely due to the inflow of data collected by large-scale cosmic-ray, gamma-ray, and neut…

astro-ph.HE2022★ 11 cited

Galactic halo bubble magnetic fields and UHECR deflections

Vasundhara Shaw, Arjen van Vliet, Andrew M. Taylor

We consider the synchrotron emission from electrons out in the Galactic halo bubble region where the Fermi bubble structures reside. Utilising a simple analytical expression for th…

astro-ph.HE2021★ 20 cited

Extragalactic magnetic field constraints from ultra-high-energy cosmic rays from local galaxies

Arjen van Vliet, Andrea Palladino, Andrew Taylor +1

We interpret the correlation between local star-forming galaxy positions and ultra-high-energy cosmic ray (UHECR) directions, recently detected by the Pierre Auger Observatory (PAO…

astro-ph.HE2020★ 84 cited

AGN jets as the origin of UHECRs and perspectives for the detection of astrophysical source neutrinos at EeV energies

Xavier Rodrigues, Jonas Heinze, Andrea Palladino +2

We demonstrate that a population of Active Galactic Nuclei (AGN) can describe the observed spectrum of ultra-high-energy cosmic rays (UHECRs) at and above the ankle, and that the d…

astro-ph.HE2017

Extragalactic Sources and Propagation of UHECRs

Arjen van Vliet, Rafael Alves Batista, Günter Sigl

With the publicly available astrophysical simulation framework for propagating extraterrestrial UHE particles, CRPropa 3, it is now possible to study realistic UHECR source scenari…

astro-ph.HE2017★ 56 cited

Ultra-High-Energy Cosmic Rays from Radio Galaxies

Björn Eichmann, Jörg P. Rachen, Lukas Merten +2

Radio galaxies are intensively discussed as the sources of cosmic rays observed above about , called ultra-high energy cosmic rays (UHECRs). We pre…

hep-ex2016★ 236 cited

Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +435

Ultrahigh energy cosmic ray air showers probe particle physics at energies beyond the reach of accelerators. Here we introduce a new method to test hadronic interaction models with…

astro-ph.HE2016★ 10 cited

Cosmogenic photons strongly constrain UHECR source models

Arjen van Vliet

With the newest version of our Monte Carlo code for ultra-high-energy cosmic ray (UHECR) propagation, CRPropa 3, the flux of neutrinos and photons due to interactions of UHECRs wit…

astro-ph.HE2016★ 51 cited

Ultrahigh-energy neutrino follow-up of Gravitational Wave events GW150914 and GW151226 with the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +410

On September 14, 2015 the Advanced LIGO detectors observed their first gravitational-wave (GW) transient GW150914. This was followed by a second GW event observed on December 26, 2…

astro-ph.HE2016★ 140 cited

Measurement of the Radiation Energy in the Radio Signal of Extensive Air Showers as a Universal Estimator of Cosmic-Ray Energy

The Pierre Auger Collaboration, Alexander Aab, Pedro Abreu +447

We measure the energy emitted by extensive air showers in the form of radio emission in the frequency range from 30 to 80 MHz. Exploiting the accurate energy scale of the Pierre Au…

astro-ph.HE2016★ 122 cited

Cosmic-ray energy spectrum and composition up to the ankle - the case for a second Galactic component

S. Thoudam, J. P. Rachen, A. van Vliet +4

We have carried out a detailed study to understand the observed energy spectrum and composition of cosmic rays with energies up to ~10^18 eV. Our study shows that a single Galactic…

astro-ph.HE2015★ 179 cited

An improved limit to the diffuse flux of ultra-high energy neutrinos from the Pierre Auger Observatory

The Pierre Auger Collaboration, Alexander Aab, Pedro Abreu +462

Neutrinos in the cosmic ray flux with energies near 1 EeV and above are detectable with the Surface Detector array of the Pierre Auger Observatory. We report here on searches throu…

astro-ph.HE2014★ 309 cited

Depth of Maximum of Air-Shower Profiles at the Pierre Auger Observatory: Composition Implications

Pierre Auger Collaboration

Using the data taken at the Pierre Auger Observatory between December 2004 and December 2012, we have examined the implications of the distributions of depths of atmospheric shower…

astro-ph.HE2014★ 2 cited

PeV Neutrinos from Ultra-High-Energy Cosmic Rays

Guenter Sigl, Arjen van Vliet

We investigate the possibility that the recently detected TeV-PeV neutrino events by IceCube can originate from extragalactic ultra-high-energy cosmic ray interactions with the cos…

astro-ph.HE2014★ 37 cited

A search for point sources of EeV photons

Pierre Auger Collaboration, A. Aab, P. Abreu +483

Measurements of air showers made using the hybrid technique developed with the fluorescence and surface detectors of the Pierre Auger Observatory allow a sensitive search for point…