activity
20162023
most citedIndication of anisotropy in arrival directions of ultra-high-energy cosmic rays through comparison to the flux pattern of extragalactic gamma-ray sources

258 citations · 1.1k across the 19 of their papers we have counts for

collaborators

20 papers

astro-ph.IM2023★ 4 cited

AstroPix: CMOS pixels in space

Amanda L. Steinhebel, Regina Caputo, Henrike Fleischhack +13

Space-based gamma-ray telescopes such as the Fermi Large Area Telescope have used single sided silicon strip detectors to measure the position of charged particles produced by inci…

astro-ph.IM2022★ 13 cited

AstroPix: Novel monolithic active pixel silicon sensors for future gamma-ray telescopes

Amanda L. Steinhebel, Henrike Fleischhack, Nicolas Striebig +10

Space-based gamma-ray telescopes such as the Fermi Large Area Telescope have used single sided silicon strip detectors to track secondary charged particles produced by primary gamm…

hep-ex2021★ 86 cited

Measurement of the fluctuations in the number of muons in extensive air showers with the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +365

We present the first measurement of the fluctuations in the number of muons in extensive air showers produced by ultrahigh energy cosmic rays. We find that the measured fluctuation…

astro-ph.IM2021★ 30 cited

Deep-Learning based Reconstruction of the Shower Maximum using the Water-Cherenkov Detectors of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +370

The atmospheric depth of the air shower maximum is an observable commonly used for the determination of the nuclear mass composition of ultra-high energy cosmic…

astro-ph.IM2020★ 21 cited

Design, upgrade and characterization of the silicon photomultiplier front-end for the AMIGA detector at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +357

AMIGA (Auger Muons and Infill for the Ground Array) is an upgrade of the Pierre Auger Observatory to complement the study of ultra-high-energy cosmic rays (UHECR) by measuring the…

astro-ph.HE2020★ 164 cited

Features of the energy spectrum of cosmic rays 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 above eV based on events. New results are presented: at about eV…

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.IM2020★ 7 cited

Studies on the response of a water-Cherenkov detector of the Pierre Auger Observatory to atmospheric muons using an RPC hodoscope

The Pierre Auger Collaboration, A. Aab, P. Abreu +375

Extensive air showers, originating from ultra-high energy cosmic rays, have been successfully measured through the use of arrays of water-Cherenkov detectors (WCDs). Sophisticated…

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★ 46 cited

The Pierre Auger Observatory: Contributions to the 36th International Cosmic Ray Conference (ICRC 2019)

The Pierre Auger Collaboration, A. Aab, P. Abreu +383

Contributions of the Pierre Auger Collaboration to the 36th International Cosmic Ray Conference (ICRC 2019), 24 July - 1 August 2019, Madison, Wisconsin, USA.

astro-ph.HE2019★ 54 cited

Limits on point-like sources of ultra-high-energy neutrinos with the Pierre Auger Observatory

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

With the Surface Detector array (SD) of the Pierre Auger Observatory we can detect neutrinos with energy between eV and eV from point-like sources across the…

astro-ph.IM2018★ 65 cited

Observation of inclined EeV air showers with the radio detector of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +392

With the Auger Engineering Radio Array (AERA) of the Pierre Auger Observatory, we have observed the radio emission from 561 extensive air showers with zenith angles between 60$^\ci…

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…

physics.ins-det2017★ 13 cited

MARTA: A high-energy cosmic-ray detector concept with high-accuracy muon measurement

P. Abreu, S. Andringa, P. Assis +42

A new concept for the direct measurement of muons in air showers is presented. The concept is based on resistive plate chambers (RPCs), which can directly measure muons with very g…

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.IM2017★ 18 cited

Spectral Calibration of the Fluorescence Telescopes of the Pierre Auger Observatory

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

We present a novel method to measure precisely the relative spectral response of the fluorescence telescopes of the Pierre Auger Observatory. We used a portable light source based…

astro-ph.HE2017★ 1 cited

The Pierre Auger Observatory: Contributions to the 35th International Cosmic Ray Conference (ICRC 2017)

The Pierre Auger Collaboration, A. Aab, P. Abreu +394

Contributions of the Pierre Auger Collaboration to the 35th International Cosmic Ray Conference (ICRC 2017), 12-20 July 2017, Bexco, Busan, Korea.

astro-ph.IM2017★ 1 cited

Autonomous RPCs for a Cosmic Ray ground array

Pedro Assis, Alberto Blanco, Nuno Carolino +15

We report on the behaviour of Resistive Plate Chambers (RPC) developed for muon detection in ultra-high energy cosmic ray (UHECR) experiments. The RPCs were developed for the MARTA…

physics.ins-det2016★ 10 cited

Outdoor Field Experience with Autonomous RPC Based Stations

L. Lopes, P. Assis, A. Blanco +12

In the last two decades Resistive Plate Chambers were employed in the Cosmic Ray Experiments COVER-PLASTEX and ARGO/YBJ. In both experiments the detectors were housed indoors, like…