528 citations · 2.1k across the 22 of their papers we have counts for
22 papers
Extended gamma-ray sources around pulsars constrain the origin of the positron flux at Earth
A. U. Abeysekara, A. Albert, R. Alfaro +113
The unexpectedly high flux of cosmic ray positrons detected at Earth may originate from nearby astrophysical sources, dark matter, or unknown processes of cosmic-ray secondary prod…
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…
Dark Matter Limits From Dwarf Spheroidal Galaxies with The HAWC Gamma-Ray Observatory
A. Albert, R. Alfaro, C. Alvarez +78
The High Altitude Water Cherenkov (HAWC) gamma-ray observatory is a wide field of view observatory sensitive to 500 GeV - 100 TeV gamma rays and cosmic rays. It can also perform di…
The HAWC real-time flare monitor for rapid detection of transient events
A. U. Abeysekara, R. Alfaro, C. Alvarez +105
We present the development of a real-time flare monitor for the High Altitude Water Cherenkov (HAWC) observatory. The flare monitor has been fully operational since 2017 January an…
Search for very-high-energy emission from Gamma-ray Bursts using the first 18 months of data from the HAWC Gamma-ray Observatory
The HAWC collaboration, R. Alfaro, C. Alvarez +102
The High Altitude Water Cherenkov (HAWC) Gamma-ray Observatory is an extensive air shower detector operating in central Mexico, which has recently completed its first two years of…
Daily monitoring of TeV gamma-ray emission from Mrk 421, Mrk 501, and the Crab Nebula with HAWC
A. U. Abeysekara, A. Albert, R. Alfaro +104
We present results from daily monitoring of gamma rays in the energy range to TeV with the first 17 months of data from the High Altitude Water Cherenkov (HAWC)…
Search for Very High Energy Gamma Rays from the Northern Bubble Region with HAWC
A. U. Abeysekara, A. Albert, R. Alfaro +108
We present a search of very high energy gamma-ray emission from the Northern Bubble region using data collected with the High Altitude Water Cherenkov (HAWC) gamma…
The 2HWC HAWC Observatory Gamma Ray Catalog
A. U. Abeysekara, A. Albert, R. Alfaro +108
We present the first catalog of TeV gamma-ray sources realized with the recently completed High Altitude Water Cherenkov Observatory (HAWC). It is the most sensitive wide field-of-…
Observation of the Crab Nebula with the HAWC Gamma-Ray Observatory
A. U. Abeysekara, A. Albert, R. Alfaro +104
The Crab Nebula is the brightest TeV gamma-ray source in the sky and has been used for the past 25 years as a reference source in TeV astronomy, for calibration and verification of…
Search for TeV Gamma-Ray Emission from Point-like Sources in the Inner Galactic Plane with a Partial Configuration of the HAWC Observatory
A. U. Abeysekara, R. Alfaro, C. Alvarez +95
A survey of the inner Galaxy region of Galactic longitude l in [+15, +50] degree and latitude b in [-4,+4] degree is performed using one-third of the High Altitude Water Cherenkov…
HAWC Contributions to the 34th International Cosmic Ray Conference (ICRC2015)
HAWC Collaboration, A. U. Abeysekara, R. Alfaro +112
List of proceedings from the HAWC Collaboration presented at the 34th International Cosmic Ray Conference, 30 July - 6 August 2015, The Hague, The Netherlands.
Search for gamma-rays from the unusually bright GRB 130427A with the HAWC Gamma-ray Observatory
The HAWC collaboration, A. U. Abeysekara, R. Alfaro +90
The first limits on the prompt emission from the long gamma-ray burst (GRB) 130427A in the energy band are reported. GRB 130427A was the most powerful b…
VAMOS: a Pathfinder for the HAWC Gamma-Ray Observatory
A. U. Abeysekara, R. Alfaro, C. Alvarez +133
VAMOS was a prototype detector built in 2011 at an altitude of 4100m a.s.l. in the state of Puebla, Mexico. The aim of VAMOS was to finalize the design, construction techniques and…
Observation of Small-scale Anisotropy in the Arrival Direction Distribution of TeV Cosmic Rays with HAWC
A. U. Abeysekara, R. Alfaro, C. Alvarez +96
The High-Altitude Water Cherenkov (HAWC) Observatory is sensitive to gamma rays and charged cosmic rays at TeV energies. The detector is still under construction, but data acquisit…
Milagro Limits and HAWC Sensitivity for the Rate-Density of Evaporating Primordial Black Holes
A. A. Abdo, A. U. Abeysekara, R. Alfaro +118
Primordial Black Holes (PBHs) are gravitationally collapsed objects that may have been created by density fluctuations in the early universe and could have arbitrarily small masses…
The Sensitivity of HAWC to High-Mass Dark Matter Annihilations
A. U. Abeysekara, R. Alfaro, C. Alvarez +101
The High Altitude Water Cherenkov (HAWC) observatory is a wide field-of-view detector sensitive to gamma rays of 100 GeV to a few hundred TeV. Located in central Mexico at 19 degre…
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…
The HAWC Gamma-Ray Observatory: Dark Matter, Cosmology, and Fundamental Physics
HAWC Collaboration, A. U. Abeysekara, R. Alfaro +99
The High-Altitude Water Cherenkov Gamma Ray Observatory (HAWC) is designed to perform a synoptic survey of the TeV sky. The high energy coverage of the experiment will enable studi…
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…
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…
Sensitivity of the High Altitude Water Cherenkov Detector to Sources of Multi-TeV Gamma Rays
A. U. Abeysekara, R. Alfaro, C. Alvarez +97
The High Altitude Water Cherenkov (HAWC) observatory is an array of large water Cherenkov detectors sensitive to gamma rays and hadronic cosmic rays in the energy band between 100…
On the sensitivity of the HAWC observatory to gamma-ray bursts
HAWC collaboration, A. U. Abeysekara, J. A. Aguilar +145
We present the sensitivity of HAWC to Gamma Ray Bursts (GRBs). HAWC is a very high-energy gamma-ray observatory currently under construction in Mexico at an altitude of 4100 m. It…