output
19972026
most citedObservation of resonances consistent with pentaquark states in decays

1.3k citations

Showing astro-ph.HEShow all

73 papers · 1 filter

astro-ph.HE2026

Search for ultra-high energy neutrons from Galactic sources with the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +357

Deflections in the propagation of charged ultra-high-energy cosmic rays (UHECRs) caused by magnetic fields make the identification of their sources challenging. On the other hand,…

astro-ph.HE2025

The Scintillator Surface Detector of the Pierre Auger Observatory

The Pierre Auger Collaboration

Data collected so far by the Pierre Auger Observatory have enabled major advances in ultra-high energy cosmic ray physics and demonstrated that improved determination of masses of…

astro-ph.HE2025

Measuring the muon content of inclined air showers using AERA and the water-Cherenkov detectors of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +360

We present a novel approach for assessing the muon content of air showers with large zenith angles on a combined analysis of their radio emission and particle footprint. We use the…

astro-ph.HE2025★ 2 cited

Scaler rates from the Pierre Auger Observatory: a new proxy of solar activity

The Pierre Auger Collaboration, I. Bizzarri, C. Dionese +1

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…

astro-ph.HE2025★ 3 cited

Crust composition and the Shallow Heat Source in KS 1731-260

R. Jain, E. F. Brown, H. Schatz +11

The presence of a strong shallow heat source of unknown origin in accreting neutron star crusts has been inferred by analyzing X-ray observations of their cooling in quiescence. We…

astro-ph.HE2025

Distinct Signatures of the Nature of Phase Transition in Binary Neutron Star Mergers

Sagnik Chatterjee, Shamim Haque, Kamal Krishna Nath +2

Binary neutron-star mergers offer crucial insights into the matter properties of neutron stars. We present the possible imprints in the gravitational wave signal from the nature of…

astro-ph.HE2025★ 5 cited

A search for the anomalous events detected by ANITA using the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +374

A dedicated search for upward-going air showers at zenith angles exceeding and energies EeV has been performed using the Fluorescence Detector of the Pierre Aug…

astro-ph.HE2024★ 14 cited

Measurement of the Depth of Maximum of Air-Shower Profiles with energies between and eV using the Surface Detector of the Pierre Auger Observatory and Deep Learning

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +364

We report an investigation of the mass composition of cosmic rays with energies from 3 to 100 EeV (1 EeV= eV) using the distributions of the depth of shower maximum $X_\ma…

astro-ph.HE2024★ 25 cited

Inference of the Mass Composition of Cosmic Rays with energies from to eV using the Pierre Auger Observatory and Deep Learning

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +364

We present measurements of the atmospheric depth of the shower maximum , inferred for the first time on an event-by-event level using the Surface Detector of the Pi…

astro-ph.HE2024★ 15 cited

Impact of the Magnetic Horizon on the Interpretation of the Pierre Auger Observatory Spectrum and Composition Data

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +364

The flux of ultra-high energy cosmic rays reaching Earth above the ankle energy (5 EeV) can be described as a mixture of nuclei injected by extragalactic sources with very hard spe…

astro-ph.HE2024★ 27 cited

Testing Hadronic-Model Predictions of Depth of Maximum of Air-Shower Profiles and Ground-Particle Signals using Hybrid Data of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +368

We test the predictions of hadronic interaction models regarding the depth of maximum of air-shower profiles, , and ground-particle signals in water-Cherenkov detectors at…

astro-ph.HE2023★ 5 cited

Latest Analysis Results from the KASCADE-Grande Data

D. Kang, J. C. Arteaga-Velázquez, M. Bertaina +22

KASCADE-Grande, the extension of the multi-detector setup of KASCADE, was devoted to measure the properties of extensive air showers initiated by high-energy cosmic rays in the pri…

astro-ph.HE2023★ 23 cited

Radio Measurements of the Depth of Air-Shower Maximum at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +372

The Auger Engineering Radio Array (AERA), part of the Pierre Auger Observatory, is currently the largest array of radio antenna stations deployed for the detection of cosmic rays,…

astro-ph.HE2023★ 19 cited

Demonstrating Agreement between Radio and Fluorescence Measurements of the Depth of Maximum of Extensive Air Showers at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +372

We show, for the first time, radio measurements of the depth of shower maximum () of air showers induced by cosmic rays that are compared to measurements of the estab…

astro-ph.HE2023★ 4 cited

The Pierre Auger Observatory Open Data

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +358

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.…

astro-ph.HE2023★ 3 cited

Fast neutron star cooling in light of the PREX-2 experiment

Trisha Sarkar, Vivek Baruah Thapa, Monika Sinha

The nuclear symmetry energy and its behaviour with density has been recently evaluated with enhanced value by PREX-2 experiment. This new values enables direct Urca neutrino emissi…

astro-ph.HE2023★ 6 cited

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…

astro-ph.HE2023★ 6 cited

Impact of Pycnonuclear Fusion Uncertainties on the Cooling of Accreting Neutron Star Crusts

R. Jain, E. F. Brown, H. Schatz +11

The observation of X-rays during quiescence from transiently accreting neutron stars provides unique clues about the nature of dense matter. This, however, requires extensive model…

astro-ph.HE2023★ 33 cited

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…

astro-ph.HE2023★ 25 cited

Hybrid stars are compatible with recent astrophysical observations

Anil Kumar, Vivek Baruah Thapa, Monika Sinha

Compact stars (CS) are stellar remnants of massive stars. Inside CSs the density is so high that matter is in subatomic form composed of nucleons. With increase of density of matte…

astro-ph.HE2023★ 2 cited

Tension between implications from PREX-2 data and gravitational tidal response on dense matter equation of state

Vivek Baruah Thapa, Monika Sinha

Recently an improved value of neutron skin thickness of was reported in Lead Radius EXperiment-2 (PREX-2) to be fm wh…

astro-ph.HE2022★ 66 cited

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…

astro-ph.HE2022★ 10 cited

(Anti)kaon condensation in strongly magnetized dense matter

Debraj Kundu, Vivek Baruah Thapa, Monika Sinha

Recent observations of several massive pulsars, with masses near and above , point towards the existence of matter at very high densities, compared to normal matter that…

astro-ph.HE2022★ 86 cited

Arrival Directions of Cosmic Rays above 32 EeV from Phase One of the Pierre Auger Observatory

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +372

A promising energy range to look for angular correlation between cosmic rays of extragalactic origin and their sources is at the highest energies, above few tens of EeV ($1\:{\rm E…