Diego Correia dos Santos
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View article: Scaler data from the Pierre Auger Observatory as a proxy of solar activity
Scaler data from the Pierre Auger Observatory as a proxy of solar activity Open
View article: Observation of the Shadows of the Moon and Sun Using the Pierre Auger Observatory at an Average Energy of $7\times10^{17}\,$eV
Observation of the Shadows of the Moon and Sun Using the Pierre Auger Observatory at an Average Energy of $7\times10^{17}\,$eV Open
View article: Combined fit above 0.1 EeV to the cosmic-ray spectrum and composition measured with the Pierre Auger Observatory
Combined fit above 0.1 EeV to the cosmic-ray spectrum and composition measured with the Pierre Auger Observatory Open
View article: Constraints on the spread of nuclear masses in ultra-high-energy cosmic rays based on the Phase I hybrid data from the Pierre Auger Observatory
Constraints on the spread of nuclear masses in ultra-high-energy cosmic rays based on the Phase I hybrid data from the Pierre Auger Observatory Open
View article: Results and plans to apply interferometry to air shower observations at the Pierre Auger Observatory
Results and plans to apply interferometry to air shower observations at the Pierre Auger Observatory Open
View article: Measurement and Interpretation of UHECR Mass Composition at the Pierre Auger Observatory
Measurement and Interpretation of UHECR Mass Composition at the Pierre Auger Observatory Open
View article: Cloud Detection using Night Sky Background Light at the Pierre Auger Observatory
Cloud Detection using Night Sky Background Light at the Pierre Auger Observatory Open
View article: Characterizing the neutron component of extensive air showers with the Surface-Scintillator Detectors of AugerPrime
Characterizing the neutron component of extensive air showers with the Surface-Scintillator Detectors of AugerPrime Open
View article: Measurement of the cosmic-ray energy spectrum above 2.5 EeV using 19 years of operation of the Pierre Auger Observatory
Measurement of the cosmic-ray energy spectrum above 2.5 EeV using 19 years of operation of the Pierre Auger Observatory Open
View article: Update on the intermediate arrival-direction analyses of the Pierre Auger Observatory
Update on the intermediate arrival-direction analyses of the Pierre Auger Observatory Open
View article: Constraining the origin of the highest-energy cosmic-ray events detected by the Pierre Auger Observatory: a three-dimensional approach
Constraining the origin of the highest-energy cosmic-ray events detected by the Pierre Auger Observatory: a three-dimensional approach Open
View article: Recent Highlights from the Auger Engineering Radio Array
Recent Highlights from the Auger Engineering Radio Array Open
View article: Calibration and Performance of the Surface Scintillator Detector of the Pierre Auger Observatory
Calibration and Performance of the Surface Scintillator Detector of the Pierre Auger Observatory Open
View article: Auger@TA: A Collaborative Approach to Cross-Calibrating the World’s Largest Cosmic Ray Observatories
Auger@TA: A Collaborative Approach to Cross-Calibrating the World’s Largest Cosmic Ray Observatories Open
View article: The Underground Muon Detector of AugerPrime: Status and Performance
The Underground Muon Detector of AugerPrime: Status and Performance Open
View article: AugerPrime Surface Detector Electronics: requirements, verification and performance
AugerPrime Surface Detector Electronics: requirements, verification and performance Open
View article: Scaler Rates from the Pierre Auger Observatory: A New Proxy of Solar Activity
Scaler Rates from the Pierre Auger Observatory: A New Proxy of Solar Activity Open
The modulation of low-energy galactic cosmic rays reflects interplanetary magnetic field variations and can provide useful information on solar activity. An array of ground-surface detectors can reveal the secondary particles, which origin…
View article: The Energy Spectrum of Ultra-High Energy Cosmic Rays across Declinations $-90^\circ$ to $+44.8^\circ$ as measured at the Pierre Auger Observatory
The Energy Spectrum of Ultra-High Energy Cosmic Rays across Declinations $-90^\circ$ to $+44.8^\circ$ as measured at the Pierre Auger Observatory Open
The energy spectrum of cosmic rays above 2.5 EeV has been measured across the declination range $-90^\circ \leqδ\leq +44.8^\circ$ using data from $\sim 310{,}000$ events accrued at the Pierre Auger Observatory from an exposure of $(104{,}9…
View article: Search for a diffuse flux of photons with energies above tens of PeV at the Pierre Auger Observatory
Search for a diffuse flux of photons with energies above tens of PeV at the Pierre Auger Observatory Open
Diffuse photons of energy above 0.1 PeV, produced through the interactions between cosmic rays and either interstellar matter or background radiation fields, are powerful tracers of the distribution of cosmic rays in the Galaxy. Furthermor…
View article: The Pierre Auger Observatory open data
The Pierre Auger Observatory open data Open
The Pierre Auger Collaboration has embraced the concept of open access to their research data since its foundation, with the aim of giving access to the widest possible community. A gradual process of release began as early as 2007 when 1%…
View article: Search for photons above <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mn>10</mml:mn></mml:mrow><mml:mrow><mml:mn>18</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>eV</mml:mi></mml:math> by simultaneously measuring the atmospheric depth and the muon content of air showers at the Pierre Auger Observatory
Search for photons above by simultaneously measuring the atmospheric depth and the muon content of air showers at the Pierre Auger Observatory Open
The Pierre Auger Observatory is the most sensitive instrument to detect photons with energies above 1017 eV. It measures extensive air showers generated by ultrahigh energy cosmic rays using a hybrid technique that exploits the combinatio…
View article: The distribution of ultra-high-energy cosmic rays along the supergalactic plane measured at the Pierre Auger Observatory
The distribution of ultra-high-energy cosmic rays along the supergalactic plane measured at the Pierre Auger Observatory Open
Ultra-high-energy cosmic rays are known to be mainly of extragalactic origin, and their propagation is limited by energy losses, so their arrival directions are expected to correlate with the large-scale structure of the local Universe. In…
View article: Inference of the Mass Composition of Cosmic Rays with energies from $\mathbf{10^{18.5}}$ to $\mathbf{10^{20}}$ eV using the Pierre Auger Observatory and Deep Learning
Inference of the Mass Composition of Cosmic Rays with energies from $\mathbf{10^{18.5}}$ to $\mathbf{10^{20}}$ eV using the Pierre Auger Observatory and Deep Learning Open
We present measurements of the atmospheric depth of the shower maximum $X_\mathrm{max}$, inferred for the first time on an event-by-event level using the Surface Detector of the Pierre Auger Observatory. Using deep learning, we were able t…
View article: Testing Hadronic-Model Predictions of Depth of Maximum of Air-Shower Profiles and Ground-Particle Signals using Hybrid Data of the Pierre Auger Observatory
Testing Hadronic-Model Predictions of Depth of Maximum of Air-Shower Profiles and Ground-Particle Signals using Hybrid Data of the Pierre Auger Observatory Open
We test the predictions of hadronic interaction models regarding the depth of maximum of air-shower profiles, $X_{max}$, and ground-particle signals in water-Cherenkov detectors at 1000 m from the shower core, $S(1000)$, using the data fro…
View article: Anisotropy studies of ultra-high-energy cosmic rays measured at the Pierre Auger Observatory
Anisotropy studies of ultra-high-energy cosmic rays measured at the Pierre Auger Observatory Open
Measurements of anisotropic arrival directions of ultra-high-energy cosmic rays provide important information for identifying their sources. On large scales, cosmic rays with energies above $8 \\, \\mathrm{EeV}$ reveal a dipolar flux modul…
View article: Astrophysical interpretation of energy spectrum and mass composition of cosmic rays as measured at the Pierre Auger Observatory
Astrophysical interpretation of energy spectrum and mass composition of cosmic rays as measured at the Pierre Auger Observatory Open
The combined interpretation of the spectrum and composition measurements plays a key role in the quest for the origin of ultra-high-energy cosmic rays (UHECRs). The Pierre Auger Observatory, thanks to its huge exposure, provides the most p…
View article: Radio measurements of the depth of air-shower maximum at the Pierre Auger Observatory
Radio measurements of the depth of air-shower maximum at the Pierre Auger Observatory Open
The (AERA), part of the Pierre Auger Observatory, is currently the largest array of radio antenna stations deployed for the detection of cosmic rays, spanning an area of 17 km2 with 153 radio stations. It detects the radio emission of ext…
View article: Demonstrating Agreement between Radio and Fluorescence Measurements of the Depth of Maximum of Extensive Air Showers at the Pierre Auger Observatory
Demonstrating Agreement between Radio and Fluorescence Measurements of the Depth of Maximum of Extensive Air Showers at the Pierre Auger Observatory Open
We show, for the first time, radio measurements of the depth of shower maximum (Xmax) of air showers induced by cosmic rays that are compared to measurements of the established fluorescence method at the same location. Using measurements a…
View article: Measurement of the depth of maximum of air-shower profiles with energies between 10$^{18.5}$ and 10$^{20}$ eV using the surface detector of the Pierre Auger Observatory and deep learning
Measurement of the depth of maximum of air-shower profiles with energies between 10$^{18.5}$ and 10$^{20}$ eV using the surface detector of the Pierre Auger Observatory and deep learning Open
We report an investigation of the mass composition of cosmic rays with energies from 3 to 100 EeV (1 EeV=$10^{18}$ eV) using the distributions of the depth of shower maximum $X_\mathrm{max}$. The analysis relies on ${\sim}50,000$ events re…
View article: 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
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 Open
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 models with homogeneous source distributions. Studies of the dis…