activity
20132026
most citedConstraints on Lorentz invariance violation from HAWC observations of gamma rays above 100 TeV

69 citations · 137 across the 12 of their papers we have counts for

collaborators

12 papers

astro-ph.HE2026★ 1 cited

Constraints on axion-like particles from ultra-high-energy observations of M87 with the HAWC observatory

R. Alfaro, C. Alvarez, A. Andrés +95

In this work, we perform an indirect search for axion-like particles (ALPs) through their hypothesized mixing with photons in the presence of magnetic fields. ALPs are a well-motiv…

astro-ph.HE2026

Search for TeV emission from spider millisecond pulsars with HAWC

R. Alfaro, E. Anita-Rangel, M. Araya +90

Millisecond pulsars (MSPs) are observed to emit multi-wavelength radiation, from radio to GeV. Spider MSPs, which interact with their low-mass companion in close orbit (orbital per…

astro-ph.HE2026

HAWC Study on the Ultra-High-Energy Gamma-Ray Emissions from the Pulsar Wind Nebula G32.64+0.53

R. Alfaro, C. Alvarez, E. Anita-Rangel +91

Multi-TeV gamma-ray emission around eHWC J1850+001 (a source from the first HAWC catalog of gamma-ray sources emitting above 56 TeV) is spatially coincident with the pulsar wind ne…

astro-ph.HE2026

Investigating IceCube Neutrino Alerts with the HAWC -Ray Observatory

The HAWC Collaboration, R. Alfaro, C. Alvarez +95

Neutrino emission from astrophysical sources has long been considered a signature of cosmic-ray acceleration. The IceCube neutrino observatory has observed a diffuse flux of TeV-Pe…

astro-ph.HE2025

Search for Signatures of Dark Matter Annihilation in the Galactic Center with HAWC

R. Alfaro, C. Alvarez, A. Andrés +109

We conduct an indirect dark matter (DM) search in the Galactic Center, focusing on a square region within in Galactic longitude and latutide, using 2,865 days of da…

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.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…

astro-ph.HE2018★ 15 cited

Constraining the Ratio in TeV Cosmic Rays with Observations of the Moon Shadow by HAWC

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

An indirect measurement of the antiproton flux in cosmic rays is possible as the particles undergo deflection by the geomagnetic field. This effect can be measured by studying the…

astro-ph.IM2017★ 27 cited

Data Acquisition Architecture and Online Processing System for the HAWC gamma-ray observatory

HAWC collaboration, A. U. Abeysekara, R. Alfaro +105

The High Altitude Water Cherenkov observatory (HAWC) is an air shower array devised for TeV gamma-ray astronomy. HAWC is located at an altitude of 4100 m a.s.l. in Sierra Negra, Me…

astro-ph.IM2013★ 16 cited

The HAWC Gamma-Ray Observatory: Design, Calibration, and Operation

HAWC Collaboration, A. U. Abeysekara, R. Alfaro +99

The High-Altitude Water Cherenkov Gamma Ray Observatory (HAWC) is under construction 4100 meters above sea level at Sierra Negra, Mexico. We describe the design and cabling of the…

astro-ph.HE2013★ 4 cited

The HAWC Gamma-Ray Observatory: Observations of Cosmic Rays

HAWC Collaboration, A. U. Abeysekara, R. Alfaro +99

We describe measurements of GeV and TeV cosmic rays with the High-Altitude Water Cherenkov Gamma-Ray Observatory, or HAWC. The measurements include the observation of the shadow of…

astro-ph.HE2013★ 5 cited

The HAWC Gamma-Ray Observatory: Sensitivity to Steady and Transient Sources of Gamma Rays

HAWC Collaboration, A. U. Abeysekara, R. Alfaro +99

The High-Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory is designed to record air showers produced by cosmic rays and gamma rays between 100 GeV and 100 TeV. Because of its…