activity
20092023
most citedExtended gamma-ray sources around pulsars constrain the origin of the positron flux at Earth

528 citations · 6.2k across the 96 of their papers we have counts for

collaborators

97 papers

astro-ph.HE2023★ 2 cited

Galactic Gamma-Ray Diffuse Emission at TeV energies with HAWC Data

R. Alfaro, C. Alvarez, J. C. Arteaga-Velazquez +77

The Galactic gamma-ray diffuse emission (GDE) is emitted by cosmic rays (CRs), ultra-relativistic protons and electrons, interacting with gas and electromagnetic radiation fields i…

astro-ph.HE2023★ 1 cited

An optimized search for dark matter in the galactic halo with HAWC

A. Albert, R. Alfaro, C. Alvarez +63

The Galactic Halo is a key target for indirect dark matter detection. The High Altitude Water Cherenkov (HAWC) observatory is a high-energy (~300 GeV to >100 TeV) gamma-ray detecto…

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.HE2022★ 3 cited

Probing the extragalactic mid-infrared background with HAWC

Mateo Fernandez Alonso

The extragalactic background light (EBL) contains all the radiation emitted by nuclear and accretion processes in stars and compact objects since the epoch of recombination. Measur…

hep-ex2021★ 1 cited

Combined dark matter searches towards dwarf spheroidal galaxies with Fermi-LAT, HAWC, H.E.S.S., MAGIC, and VERITAS

Celine Armand, Eric Charles, Mattia di Mauro +13

Cosmological and astrophysical observations suggest that 85\% of the total matter of the Universe is made of Dark Matter (DM). However, its nature remains one of the most challengi…

astro-ph.HE2021

Particle Acceleration in the Cygnus Superbubble

B. Hona

The Cygnus Cocoon is the first gamma-ray superbubble powered by a massive stellar association, the OB2 association. It was postulated that the combined effects of the stellar winds…

astro-ph.HE2021

The all-particle cosmic ray energy spectrum measured with HAWC

J. A. Morales-Soto, J. C. Arteaga-Velázquez

Thanks to recent technological development, a new generation of cosmic ray experiments have been developed with more sensitivity to study these particles in the primary energy inte…

astro-ph.HE2021

Monitoring the radio galaxy M87 with HAWC

T. Capistrán, D. Avila Rojas, M. M. González +2

Studies of radio galaxies at TeV energies are fascinating because their jets are misaligned concerning our sightline. Thus, it provides us with a unique opportunity to study the st…

astro-ph.HE2021★ 5 cited

Use of Machine Learning for gamma/hadron separation with HAWC

T. Capistrán, K. L. Fan, J. T. Linnemann +3

Background showers triggered by hadrons represent over 99.9% of all particles arriving at ground-based gamma-ray observatories. An important stage in the data analysis of these obs…

physics.ins-det2021

Horizontal muon track identification with neural networks in HAWC

J. R. Angeles Camacho, H. León Vargas

Nowadays the implementation of artificial neural networks in high-energy physics has obtained excellent results on improving signal detection. In this work we propose to use neural…

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 …

astro-ph.HE2021★ 113 cited

HAWC observations of the acceleration of very-high-energy cosmic rays in the Cygnus Cocoon

A. U. Abeysekara, A. Albert, R. Alfaro +98

Cosmic rays with energies up to a few PeV are known to be accelerated within the Milky Way. Traditionally, it has been presumed that supernova remnants were the main source of very…

astro-ph.HE2021★ 1 cited

Spectrum and Morphology of the Very-High-Energy Source HAWC J2019+368

HAWC Collaboration, A. Albert, R. Alfaro +80

The MGRO J2019+37 region is one of the brightest sources in the sky at TeV energies. It was detected in the 2 year HAWC catalog as 2HWC J2019+367 and here we present a detailed stu…

astro-ph.HE2021★ 2 cited

HAWC Search for High-Mass Microquasars

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

Microquasars with high-mass companion stars are promising very-high-energy (VHE; 0.1-100 TeV) gamma-ray emitters, but their behaviors above 10 TeV are poorly known. Using the High…

astro-ph.HE2021★ 15 cited

Probing the Sea of Cosmic Rays by Measuring Gamma-Ray Emission from Passive Giant Molecular Clouds with HAWC

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

The study of high-energy gamma rays from passive Giant Molecular Clouds (GMCs) in our Galaxy is an indirect way to characterize and probe the paradigm of the "sea" of cosmic rays i…

astro-ph.HE2021★ 39 cited

Evidence that Ultra-High-Energy Gamma Rays are a Universal Feature Near Powerful Pulsars

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

The highest-energy known gamma-ray sources are all located within 0.5 degrees of extremely powerful pulsars. This raises the question of whether ultra-high-energy (UHE; 56 TeV)…

astro-ph.HE2020★ 6 cited

HAWC and Fermi-LAT Detection of Extended Emission from the Unidentified Source 2HWC J2006+341

A. Albert, R. Alfaro, C. Alvarez +71

The discovery of the TeV point source 2HWC J2006+341 was reported in the second HAWC gamma-ray catalog. We present a follow-up study of this source here. The TeV emission is best d…

astro-ph.HE2020★ 22 cited

A survey of active galaxies at TeV photon energies with the HAWC gamma-ray observatory

A. Albert, C. Alvarez, J. R. Angeles Camacho +86

The High Altitude Water Cherenkov Gamma-Ray Observatory (HAWC) continuously detects TeV photons and particles within its large field-of-view, accumulating every day a deeper exposu…

astro-ph.HE2020★ 15 cited

Multimessenger Gamma-Ray and Neutrino Coincidence Alerts using HAWC and IceCube sub-threshold Data

H. A. Ayala Solares, S. Coutu, J. J. DeLaunay +446

The High Altitude Water Cherenkov (HAWC) and IceCube observatories, through the Astrophysical Multimessenger Observatory Network (AMON) framework, have developed a multimessenger j…

astro-ph.HE2020★ 214 cited

3HWC: The Third HAWC Catalog of Very-High-Energy Gamma-ray Sources

A. Albert, R. Alfaro, C. Alvarez +104

We present a new catalog of TeV gamma-ray sources using 1523 days of data from the High Altitude Water Cherenkov (HAWC) observatory. The catalog represents the most sensitive surve…

astro-ph.HE2020★ 66 cited

HAWC J2227+610 and its association with G106.3+2.7, a new potential Galactic PeVatron

A. Albert, R. Alfaro, C. Alvarez +97

We present the detection of VHE gamma-ray emission above 100 TeV from HAWC J2227+610 with the HAWC observatory. Combining our observations with previously published results by VERI…

astro-ph.HE2019★ 31 cited

Search for Gamma-ray Spectral Lines from Dark Matter Annihilation in Dwarf Galaxies with the High-Altitude Water Cherenkov Observatory

The HAWC Collaboration

Local dwarf spheroidal galaxies (dSphs) are nearby dark-matter dominated systems, making them excellent targets for searching for gamma rays from particle dark matter interactions.…

astro-ph.HE2019★ 69 cited

Constraints on Lorentz invariance violation from HAWC observations of gamma rays above 100 TeV

HAWC Collaboration, A. Albert, R. Alfaro +90

Due to the high energies and long distances to the sources, astrophysical observations provide a unique opportunity to test possible signatures of Lorentz invariance violation (LIV…