activity
20092026
most citedThe major upgrade of the MAGIC telescopes, Part II: A performance study using observations of the Crab Nebula

534 citations · 4.8k across the 73 of their papers we have counts for

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Showing astro-ph.HEShow all

63 papers · 1 filter

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

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.HE2026

Improved Heavy Dark Matter Annihilation Search from Dwarf Galaxies with HAWC

A. Albert, R. Alfaro, C. Alvarez +103

Understanding dark matter's elusive nature is crucial for the framework of particle physics and expanding the Standard Model. This analysis utilizes the High Altitude Water Cherenk…

astro-ph.HE2025

Orbital Modulation of Gamma-Rays Beyond 100 TeV from LS 5039

R. Alfaro, M. Araya, J. C. Arteaga-Velázquez +88

Gamma-ray binaries are systems composed of a compact object orbiting a massive companion star. The interaction between these two objects can drive relativistic outflows, either jet…

astro-ph.HE2025

Study of long-term spectral evolution and X-ray and Gamma-ray correlation of blazars seen by HAWC

R. Alfaro, C. Alvarez, A. Andrés +94

The HAWC Observatory collected 6 years of extensive data, providing an ideal platform for long-term monitoring of blazars in the Very High Energy (VHE) band, without bias towards s…

astro-ph.HE2024

TeV Analysis of a Source Rich Region with HAWC Observatory: Is HESS J1809-193 a Potential Hadronic PeVatron?

A. Albert, R. Alfaro, C. Alvarez +79

HESS J1809-193 is an unidentified TeV source, first detected by the High Energy Stereoscopic System (H.E.S.S.) Collaboration. The emission originates in a source-rich region that i…