activity
20192025
most citedThe High-Altitude Water Cherenkov (HAWC) Observatory in México: The Primary Detector

65 citations · 131 across the 24 of their papers we have counts for

collaborators

25 papers

astro-ph.IM2025

Instrumenting a Lake as a Wide-Field Gamma-ray Detector

Hazal Goksu, Werner Hofmann, Felix Werner +2

Ground-level particle detection has recently emerged as an extremely powerful approach to TeV-PeV gamma-ray astronomy. The most successful observatories of this type, HAWC and LHAA…

astro-ph.IM2025

Ideas and Requirements for the Global Cosmic-Ray Observatory (GCOS)

Markus Ahlers, Ingo Allekotte, Jaime Alvarez-Muniz +136

After a successful kick-off meeting in 2021. two workshops in 2022 and 2023 on the future Global Cosmic-Ray Observatory (GCOS) focused mainly on a straw man design of the detector…

astro-ph.HE2025

Study of the IC 443 region with the HAWC observatory

R. Alfaro, C. Alvarez, M. Araya +89

Supernova remnants are one potential source class considered a PeVatron (i.e. capable of accelerating cosmic rays above PeV energies). The shock fronts produced after the explosion…

astro-ph.HE2024

Observation of the Galactic Center PeVatron Beyond 100 TeV with HAWC

A. Albert, R. Alfaro, C. Alvarez +99

We report an observation of ultra-high energy (UHE) gamma rays from the Galactic Center region, using seven years of data collected by the High-Altitude Water Cherenkov (HAWC) Obse…

astro-ph.HE2024★ 1 cited

Performance of the HAWC Observatory and TeV Gamma-Ray Measurements of the Crab Nebula with Improved Extensive Air Shower Reconstruction Algorithms

A . Albert, R. Alfaro, C. Alvarez +90

The High-Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory located on the side of the Sierra Negra volcano in Mexico, has been fully operational since 2015. The HAWC collaborat…

astro-ph.HE2023

Comparing HAWC blazars light curves with different data reconstruction versions

J. A. García-González, M. M. González

We present a comparison of the flux normalization of HAWC sources using 17 months of data that was processed using two different versions of the official data reconstruction used f…

astro-ph.HE2023

The HAWC ultra-high-energy gamma-ray map with more than 5 years of data

Kelly Malone, José Andrés García González, Patrick Harding

In 2020, the HAWC Collaboration presented the first catalog of gamma-ray sources emitting above 56 TeV and 100 TeV. With nine sources detected, this was the highest-energy source c…

astro-ph.HE2023★ 1 cited

An updated survey of Active Galaxies with the HAWC gamma-ray observatory

Fernando Ureña-Mena, Alberto Carramiñana, Daniel Rosa-González +2

We present an update of the survey of Active Galaxies with the High Altitude Water Cherenkov (HAWC) gamma-ray observatory. This work adds 567 days of HAWC data to the previously pu…

astro-ph.HE2023

Study of the long-term Very High Energy emission of the blazars 1ES 1215+3031 and VER J0521+211 with the HAWC gamma-ray observatory

Fernando Ureña-Mena, Alberto Carramiñana, Anna Lia Longinotti +2

Blazars are the most abundant type of extragalactic gamma-ray source, usually presenting high variability across the electromagnetic spectrum. Their Very High Energy (VHE, above 0.…

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.HE2023★ 65 cited

The High-Altitude Water Cherenkov (HAWC) Observatory in México: The Primary Detector

A. U. Abeysekara, A. Albert, R. Alfaro +140

The High-Altitude Water Cherenkov (HAWC) observatory is a second-generation continuously operated, wide field-of-view, TeV gamma-ray observatory. The HAWC observatory and its analy…

astro-ph.HE2023★ 7 cited

Detailed Analysis of the TeV γ-Ray Sources 3HWC J1928+178, 3HWC J1930+188, and the New Source HAWC J1932+192

A. Albert, R. Alfaro, C. Alvarez +91

The latest High Altitude Water Cherenkov (HAWC) point-like source catalog up to 56 TeV reported the detection of two sources in the region of the Galactic plane at galactic longitu…

astro-ph.IM2022★ 17 cited

A Double Layered Water Cherenkov Detector Array for Gamma-Ray Astronomy

Samridha Kunwar, Hazal Goksu, Jim Hinton +4

Ground-level particle detection is now a well-established approach to TeV gamma-ray astronomy. Detection of Cherenkov light produced in water-filled detection units is a proven and…

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.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…

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…

physics.ins-det2021★ 14 cited

Study of energy response and resolution of the ATLAS Tile Calorimeter to hadrons of energies from 16 to 30 GeV

Jalal Abdallah, Stylianos Angelidakis, Giorgi Arabidze +68

Three spare modules of the ATLAS Tile Calorimeter were exposed to test beams from the Super Proton Synchrotron accelerator at CERN in 2017. The measurements of the energy response…

astro-ph.HE2019★ 3 cited

Combined Dark Matter searches towards dwarf spheroidal galaxies with Fermi-LAT, HAWC, HESS, MAGIC and VERITAS

Louise Oakes, Celine Armand, Eric Charles +13

The search for Dark Matter (DM) has great potential to reveal physics beyond the Standard Model. As such, searches for evidence of DM particles are being carried out using a wide r…