activity
20162026
most citedObservation of a Large-scale Anisotropy in the Arrival Directions of Cosmic Rays above eV

409 citations · 1.9k across the 31 of their papers we have counts for

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16 papers · 1 filter

astro-ph.HE2026

Prospects of Prompt Gamma-Ray Burst Polarimetry with POLAR-2

Ramandeep Gill, Jiang He, Jonathan Granot +6

The dominant radiation mechanism that powers the prompt -ray emission in gamma-ray bursts (GRBs) remains poorly understood. High quality, time- and energy-resolved linear polari…

astro-ph.HE2025

Gamma-Ray Burst Polarimetry with the POLAR and POLAR-2 missions

Nicolas De Angelis, Philipp Azzarello, Franck Cadoux +15

Gamma-Ray Bursts are among the most powerful and violent events in the Universe. Despite over half a century of observations of these transient sources, many open questions remain…

astro-ph.HE2022★ 11 cited

Gamma-Ray Polarimetry of the Crab Pulsar Observed by POLAR

Han-Cheng Li, Nicolas Produit, Shuang-Nan Zhang +15

The X/ ray polarimetry of the Crab pulsar/nebula is believed to hold crucial information on their emission models. In the past, several missions have shown evidence of polarized…

astro-ph.HE2021

Polarization measurements of the Crab Pulsar with POLAR

Hancheng Li, POLAR Collaboration

POLAR is a dedicated Gamma-Ray Burst polarimeter making use of Compton-scattering which took data from the second Chinese spacelab, the Tiangong-2 from September 2016 to April 2017…

astro-ph.HE2021★ 1 cited

Gamma-Ray Polarization Results of the POLAR Mission and Future Prospects

M. Kole, N. de Angelis, J. M. Burgess +14

Despite over 50 years of Gamma-Ray Burst (GRB) observations many open questions remain about their nature and the environments in which the emission takes place. Polarization measu…

astro-ph.HE2020★ 213 cited

Measurement of the cosmic-ray energy spectrum above eV using the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +380

We report a measurement of the energy spectrum of cosmic rays for energies above eV based on 215,030 events recorded with zenith angles below . A k…

astro-ph.HE2020★ 12 cited

Search for magnetically-induced signatures in the arrival directions of ultra-high-energy cosmic rays measured at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +372

We search for signals of magnetically-induced effects in the arrival directions of ultra-high-energy cosmic rays detected at the Pierre Auger Observatory. We apply two different me…

astro-ph.HE2020★ 74 cited

Cosmic-ray anisotropies in right ascension measured by the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +373

We present measurements of the large-scale cosmic-ray anisotropies in right ascension, using data collected by the surface detector array of the Pierre Auger Observatory over more…

astro-ph.HE2019★ 108 cited

Probing the origin of ultra-high-energy cosmic rays with neutrinos in the EeV energy range using the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +389

Neutrinos with energies above eV are detectable with the Surface Detector Array of the Pierre Auger Observatory. The identification is efficiently performed for neutrinos…

astro-ph.HE2018★ 25 cited

Measurement of the average shape of longitudinal profiles of cosmic-ray air showers at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +385

The profile of the longitudinal development of showers produced by ultra-high energy cosmic rays carries information related to the interaction properties of the primary particles…

astro-ph.HE2018★ 133 cited

Large-scale cosmic-ray anisotropies above 4 EeV measured by the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +374

We present a detailed study of the large-scale anisotropies of cosmic rays with energies above 4 EeV measured using the Pierre Auger Observatory. For the energy bins [4,8] EeV and…

astro-ph.HE2018★ 258 cited

Indication of anisotropy in arrival directions of ultra-high-energy cosmic rays through comparison to the flux pattern of extragalactic gamma-ray sources

The Pierre Auger Collaboration, A. Aab, P. Abreu +390

A new analysis of the dataset from the Pierre Auger Observatory provides evidence for anisotropy in the arrival directions of ultra-high-energy cosmic rays on an intermediate angul…

astro-ph.HE2017

Inferences on Mass Composition and Tests of Hadronic Interactions from 0.3 to 100 EeV using the water-Cherenkov Detectors of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +403

We present a new method for probing the hadronic interaction models at ultra-high energy and extracting details about mass composition. This is done using the time profiles of the…

astro-ph.HE2017★ 409 cited

Observation of a Large-scale Anisotropy in the Arrival Directions of Cosmic Rays above eV

The Pierre Auger Collaboration, A. Aab, P. Abreu +404

Cosmic rays are atomic nuclei arriving from outer space that reach the highest energies observed in nature. Clues to their origin come from studying the distribution of their arriv…

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★ 28 cited

Azimuthal asymmetry in the risetime of the surface detector signals of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +436

The azimuthal asymmetry in the risetime of signals in Auger surface detector stations is a source of information on shower development. The azimuthal asymmetry is due to a combinat…