activity
20092023
most citedThe energy spectrum of cosmic rays beyond the turn-down around eV as measured with the surface detector of the Pierre Auger Observatory

114 citations · 369 across the 20 of their papers we have counts for

collaborators

21 papers

astro-ph.HE2023★ 1 cited

Search for Decaying Dark Matter in the Virgo Cluster of Galaxies with HAWC

A. Albert, R. Alfaro, J. C. Arteaga-Velázquez +55

The decay or annihilation of dark matter particles may produce a steady flux of very-high-energy gamma rays detectable above the diffuse background. Nearby clusters of galaxies pro…

astro-ph.HE2023

A Contribution of the HAWC Observatory to the TeV era in the High Energy Gamma-Ray Astrophysics: The case of the TeV-Halos

Ramiro Torres-Escobedo, Hao Zhou, Eduardo de la Fuente +130

We present a short overview of the TeV-Halos objects as a discovery and a relevant contribution of the High Altitude Water Čerenkov (HAWC) observatory to TeV astrophysics. We discu…

astro-ph.HE2023★ 10 cited

Searching for TeV Dark Matter in Irregular dwarf galaxies with HAWC Observatory

R. Alfaro, C. Alvarez, J. C. Arteaga-Velázquez +69

We present the results of dark matter (DM) searches in a sample of 31 dwarf irregular (dIrr) galaxies within the field of view of the HAWC Observatory. dIrr galaxies are DM dominat…

astro-ph.HE2023★ 22 cited

HAWC Detection of a TeV Halo Candidate Surrounding a Radio-quiet pulsar

A. Albert, R. Alfaro, J. C. Arteaga-Velázquez +59

Extended very-high-energy (VHE; 0.1-100 TeV) -ray emission has been observed around several middle-aged pulsars and referred to as ``TeV halos". Their formation mechanism remain…

astro-ph.HE2022

A measurement of the proton plus helium spectrum of cosmic rays in the TeV region with HAWC

HAWC Collaboration, A. Albert, R. Alfaro +74

HAWC is an air-shower detector designed to study TeV gamma and cosmic rays. The observatory is composed of a array of water Cherenkov tanks ( deep x…

astro-ph.HE2022★ 2 cited

Limits on the Diffuse Gamma-Ray Background above 10 TeV with HAWC

HAWC Collaboration, A. Albert, R. Alfaro +87

The high-energy Diffuse Gamma-Ray Background (DGRB) is expected to be produced by unresolved isotropically distributed astrophysical objects, potentially including dark matter anni…

astro-ph.HE2022

Search for Gamma-Ray and Neutrino Coincidences Using HAWC and ANTARES Data

H. A. Ayala Solares, S. Coutu, D. Cowen +228

In the quest for high-energy neutrino sources, the Astrophysical Multimessenger Observatory Network (AMON) has implemented a new search by combining data from the High Altitude Wat…

astro-ph.HE2022

Cosmological implications of photon-flux upper limits at ultra-high energies in scenarios of Planckian-interacting massive particles for dark matter

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +374

Using the data of the Pierre Auger Observatory, we report on a search for signatures that would be suggestive of super-heavy particles decaying in the Galactic halo. From the lack…

astro-ph.HE2022★ 5 cited

Constraints on the very high energy gamma-ray emission from short GRBs with HAWC

A. Albert, R. Alfaro, C. Alvarez +87

Many gamma-ray bursts (GRBs) have been observed from radio wavelengths, and a few at very-high energies (VHEs, > 100GeV). The HAWC gamma-ray observatory is well suited to study tra…

astro-ph.IM2022★ 1 cited

Validation of standardized data formats and tools for ground-level particle-based gamma-ray observatories

A. Albert, R. Alfaro, J. C. Arteaga-Velázquez +74

Ground-based gamma-ray astronomy is still a rather young field of research, with strong historical connections to particle physics. This is why most observations are conducted by e…

astro-ph.HE2022★ 10 cited

-ray Emission from Classical Nova V392 Per: Measurements from Fermi and HAWC

A. Albert, R. Alfaro, C. Alvarez +84

This paper reports on the -ray properties of the 2018 Galactic nova V392 Per, spanning photon energies 0.1 GeV to 100 TeV by combining observations from the Fermi Gamma-ra…

astro-ph.HE2021

Study of the Very High Energy emission of M87 through its broadband spectral energy distribution

HAWC Collaboration, R. Alfaro, C. Alvarez +63

The radio galaxy M87 is the central dominant galaxy of the Virgo Cluster. Very High Energy (VHE, TeV) emission, from M87 has been detected by Imaging Air Cherenkov Tel…

astro-ph.HE2021

HAWC Study of the Ultra-High-Energy Spectrum of MGRO J1908+06

HAWC Collaboration, A. Albert, R. Alfaro +97

We report TeV gamma-ray observations of the ultra-high-energy source MGRO J1908+06 using data from the High Altitude Water Cherenkov (HAWC) Observatory. This source is one of the h…

astro-ph.HE2021★ 3 cited

Model independent search for transient multimessenger events with AMON using outlier detection methods

T. Gregoire, H. A. Ayala Solares, S. Coutu +9

The Astrophysical Multimessenger Observatory Network (AMON) receives subthreshold data from multiple observatories in order to look for coincidences. Combining more than two datase…

astro-ph.HE2021★ 114 cited

The energy spectrum of cosmic rays beyond the turn-down around eV as measured with the surface detector of the Pierre Auger Observatory

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +374

We present a measurement of the cosmic-ray spectrum above 100\,PeV using the part of the surface detector of the Pierre Auger Observatory that has a spacing of 750~m. An inflection…

astro-ph.IM2021★ 28 cited

TeV emission of Galactic plane sources with HAWC and H.E.S.S

H. Abdalla, F. Aharonian, F. Ait Benkhali +318

The High Altitude Water Cherenkov (HAWC) observatory and the High Energy Stereoscopic System (H.E.S.S.) are two leading instruments in the ground-based very-high-energy gamma-ray d…

astro-ph.HE2021★ 25 cited

Long-term spectra of the blazars Mrk 421 and Mrk 501 at TeV energies seen by HAWC

A. Albert, R. Alfaro, C. Alvarez +75

The High Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory surveys the very high energy sky in the 300 GeV to TeV energy range. HAWC has detected two blazars above …

hep-ex2021★ 27 cited

Extraction of the Muon Signals Recorded with the Surface Detector of the Pierre Auger Observatory Using Recurrent Neural Networks

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

The Pierre Auger Observatory, at present the largest cosmic-ray observatory ever built, is instrumented with a ground array of 1600 water-Cherenkov detectors, known as the Surface…

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.HE2019

Pulsars in a Bubble? Following Electron Diffusion in the Galaxy with TeV Gamma Rays

H. Fleischhack, A. Albert, C. Alvarez +32

TeV Halos, extended regions of TeV gamma-ray emission around middle-aged pulsars, have recently been established as a new source class in gamma-ray astronomy. These halos have been…

astro-ph.HE2009★ 35 cited

Astrophysical Sources of Cosmic Rays and Related Measurements with the Pierre Auger Observatory

The Pierre Auger Collaboration, J. Abraham, P. Abreu +469

Studies of the correlations of ultra-high energy cosmic ray directions with extra-Galactic objects, of general anisotropy, of photons and neutrinos, and of other astrophysical effe…