AA
A. U. Abeysekara
astro-ph.HEastro-ph.IMastro-ph.COhep-exastro-ph.SRhep-phphysics.ins-det
On Valency
published · living versionsW_mqgxmvsn·v1 · currentpublished
Extended gamma-ray sources around pulsars constrain the origin of the positron flux at Earth
with A. Albert, R. Alfaro, C. Alvarez, J. D. Álvarez +111
1 version
W_9nfuakgb·v1published
W_7mh65ypw·v1published
Preprints & journals
58 papers in the corpus · 2011–2025Absence of TeV halos around millisecond pulsars2505.00184v1 · A. U. Abeysekara, R. Alfaro, C. Alvarez et al.2025 · 5 citationsHAWC Collaboration et al., Phys. Rev. D 111, 043014 (2025)
The High-Altitude Water Cherenkov (HAWC) Observatory in México: The Primary Detector2304.00730v2 · A. U. Abeysekara, A. Albert, R. Alfaro et al.2023 · 65 citationsNuclear Inst. and Methods in Physics Research, A (2023) 168253
Demonstration of stellar intensity interferometry with the four VERITAS telescopes2007.10295v1 · A. U. Abeysekara, W. Benbow, A. Brill et al.2020 · 72 citationsarXiv
Evidence for proton acceleration up to TeV energies based on VERITAS and Fermi-LAT observations of the Cas A SNR2003.13615v1 · A. U. Abeysekara, A. Archer, W. Benbow et al.2020 · 62 citationsarXiv
The Great Markarian 421 Flare of February 2010: Multiwavelength variability and correlation studies2002.03567v1 · A. U. Abeysekara, W. Benbow, R. Bird et al.2020 · 44 citationsThe Astrophysical Journal, Volume 890, Number 2 (2020)
Multiple Galactic Sources with Emission Above 56 TeV Detected by HAWC.32004015 · Abeysekara, A U, Albert, A, Alfaro, R et al.2020 · 228 citationsPhysical review letters. 2020;124(2):021102
VERITAS Detection of LS 5039 and HESS J1825-1372001.03522v1 · A. U. Abeysekara, W. Benbow, R. Bird et al.2020 · 6 citationsAstroparticle Physics (2020), Volume 117, article id. 102403
Measurement of the extragalactic background light spectral energy distribution with VERITAS1910.00451v1 · A. U. Abeysekara, A. Archer, W. Benbow et al.2019 · 44 citationsarXiv
VERITAS contributions to the 36th International Cosmic Ray Conference1909.08114v2 · A. U. Abeysekara, A. Archer, W. Benbow et al.2019 · 0 citationsarXiv
HAWC Contributions to the 36th International Cosmic Ray Conference (ICRC2019)1909.01808v1 · A. U. Abeysekara, A. Albert, R. Alfaro et al.2019 · 10 citationsarXiv
Search for Very-High-Energy (E 100 GeV) Emission from Geminga Supernova by VERITAS1908.05369v1 · A. U. Abeysekara2019 · 1 citationarXiv
A Fiber Optic Based High Voltage System for Stellar Intensity Interferometry Observations1908.03157v1 · Rylee Cardon, Nolan Matthews, A. Udara Abeysekara et al.2019 · 2 citationsPoS(ICRC2019)643
Measurement of the Crab Nebula Spectrum Past 100 TeV with HAWC1905.12518v3 · A.U. Abeysekara, A. Albert, R. Alfaro et al.2019 · 186 citationsThe Astrophysical Journal, Volume 881, Number 2 (2019)
All-Sky Measurement of the Anisotropy of Cosmic Rays at 10 TeV and Mapping of the Local Interstellar Magnetic Field1812.05682v3 · A.U. Abeysekara, R. Alfaro, C. Alvarez et al.2018 · 84 citationsApJ, 871, (2019) 96
Publisher Correction: Very-high-energy particle acceleration powered by the jets of the microquasar SS 433.30482938 · Abeysekara, A U, Albert, A, Alfaro, R et al.2019 · 5 citationsNature. 2018;564(7736):E38
Periastron Observations of TeV Gamma-Ray Emission from a Binary System with a 50-year Period1810.05271v1 · A. U. Abeysekara, W. Benbow, R. Bird et al.2018 · 71 citationsThe Astrophysical Journal Letters, 867:L19 (8pp), 2018 November 1
Very-high-energy particle acceleration powered by the jets of the microquasar SS 433.30283106 · Abeysekara, A U, Albert, A, Alfaro, R et al.2019 · 152 citationsNature. 2018;562(7725):82-85
VERITAS and Fermi-LAT observations of new HAWC sources1808.10423v1 · A. U. Abeysekara, A. Archer, W. Benbow et al.2018 · 39 citationsApJ 866 (2018) no.1, 24
VERITAS observations of the BL Lac object TXS 0506+0561807.04607v1 · A. U. Abeysekara, A. Archer, W. Benbow et al.2018 · 42 citationsApJL 2018
Observation of Anisotropy of TeV Cosmic Rays with Two Years of HAWC1805.01847v3 · A.U. Abeysekara, R. Alfaro, C. Alvarez et al.2018 · 50 citationsarXiv
A strong limit on the very-high-energy emission from GRB 150323A1803.01266v1 · A. U. Abeysekara, A. Archer, W. Benbow et al.2018 · 9 citationsarXiv
Multiwavelength observations of the blazar BL Lacertae: a new fast TeV gamma-ray flare1802.10113v1 · A. U. Abeysekara, W. Benbow, R. Bird et al.2018 · 44 citationsApJ 856 (2018) 95
Constraining the Ratio in TeV Cosmic Rays with Observations of the Moon Shadow by HAWC1802.08913v2 · A.U. Abeysekara, A. Albert, R. Alfaro et al.2018 · 15 citationsPhys. Rev. D 97, 102005 (2018)
Extended gamma-ray sources around pulsars constrain the origin of the positron flux at Earth.29146808 · Abeysekara, A U, Albert, A, Alfaro, R et al.2018 · 523 citationsScience (New York, N.Y.). 2017;358(6365):911-914
A Search for Dark Matter in the Galactic Halo with HAWC1710.10288v2 · A. U. Abeysekara, A. M. Albert, R. Alfaro et al.2017 · 73 citationsarXiv
VERITAS contributions to the 35th International Cosmic Ray Conference1709.07843v1 · A. U. Abeysekara, S. Archambault, A. Archer et al.2017 · 1 citationarXiv
Discovery of very-high-energy emission from RGB J2243+203 and derivation of its redshift upper limit1709.05403v1 · A. U. Abeysekara, S. Archambault, A. Archer et al.2017 · 4 citationsarXiv
Data Acquisition Architecture and Online Processing System for the HAWC gamma-ray observatory1709.03751v2 · A. U. Abeysekara, R. Alfaro, C. Alvarez et al.2017 · 24 citationsNucl.Instr.Meth.Phys.Res.A 888 (2018) 138-146
VERITAS long term monitoring of Gamma-Ray emission from the BL Lacertae object1709.02830v1 · Anushka Udara Abeysekara2017 · 1 citationarXiv
HAWC Contributions to the 35th International Cosmic Ray Conference (ICRC2017)1708.02572v2 · A. U. Abeysekara, A. Albert, R. Alfaro et al.2017 · 5 citationsarXiv
The HAWC real-time flare monitor for rapid detection of transient events1704.07411v2 · A.U. Abeysekara, R. Alfaro, C. Alvarez et al.2017 · 24 citationsarXivon Valency
Daily monitoring of TeV gamma-ray emission from Mrk 421, Mrk 501, and the Crab Nebula with HAWC1703.06968v2 · A.U. Abeysekara, A. Albert, R. Alfaro et al.2017 · 77 citationsarXiv
Search for Very High Energy Gamma Rays from the Northern Bubble Region with HAWC1703.01344v2 · A.U. Abeysekara, A. Albert, R. Alfaro et al.2017 · 41 citationsarXiv
Multiwavelength follow-up of a rare IceCube neutrino multiplet1702.06131v3 · M. G. Aartsen, M. Ackermann, J. Adams et al.2017 · 49 citationsA&A 607, A115 (2017)
The 2HWC HAWC Observatory Gamma Ray Catalog1702.02992v1 · A.U. Abeysekara, A. Albert, R. Alfaro et al.2017 · 319 citationsarXiv
Observation of the Crab Nebula with the HAWC Gamma-Ray Observatory1701.01778v1 · A.U. Abeysekara, A. Albert, R. Alfaro et al.2017 · 332 citationsarXiv
A luminous and isolated gamma-ray flare from the blazar B2 1215+301701.01067v1 · A. U. Abeysekara, S. Archambault, A. Archer et al.2017 · 24 citationsApJ, 836, 205 (2017)
Multiband variability studies and novel broadband SED modeling of Mrk 501 in 20091612.09472v1 · M. L. Ahnen, S. Ansoldi, L. A. Antonelli et al.2016 · 71 citationsA&A 603, A31 (2017)
A search for spectral hysteresis and energy-dependent time lags from X-ray and TeV gamma-ray observations of Mrk 4211611.04626v1 · A. U. Abeysekara, S. Archambault, A. Archer et al.2016 · 44 citationsarXiv
VERITAS and Multiwavelength Observations of the BL Lacertae Object 1ES 1741+1961603.07286v1 · A. U. Abeysekara, S. Archambault, A. Archer et al.2016 · 18 citationsarXiv
A Search for Brief Optical Flashes Associated with the SETI Target KIC 84628521602.00987v2 · A. U. Abeysekara, S. Archambault, A. Archer et al.2016 · 48 citationsarXivon Valency
Gamma rays from the quasar PKS 1441+25: story of an escape1512.04434v1 · A. U. Abeysekara, S. Archambault, A. Archer et al.2015 · 96 citationsarXiv
VERITAS Collaboration Contributions to the 34th International Cosmic Ray Conference1510.01639v1 · A. U. Abeysekara, S. Archambault, A. Archer et al.2015 · 4 citationsarXiv
Search for TeV Gamma-Ray Emission from Point-like Sources in the Inner Galactic Plane with a Partial Configuration of the HAWC Observatory1509.05401v1 · A. U. Abeysekara, R. Alfaro, C. Alvarez et al.2015 · 36 citationsarXiv
VERITAS Discovery of Very High-Energy Gamma-Ray Emission from RGB J2243+2031508.06334v2 · A. U. Abeysekara2015 · 2 citationsarXiv
HAWC Contributions to the 34th International Cosmic Ray Conference (ICRC2015)1508.03327v2 · A. U. Abeysekara, R. Alfaro, C. Alvarez et al.2015 · 4 citationsarXiv
GPS Timing and Control System of the HAWC Detector1410.6681v2 · Anushka Udara Abeysekara, Tilan N. Ukwatta, Dan Edmunds et al.2014 · 3 citationsarXiv
Search for gamma-rays from the unusually bright GRB 130427A with the HAWC Gamma-ray Observatory1410.1536v3 · A.U. Abeysekara, R. Alfaro, C. Alvarez et al.2014 · 39 citationsThe Astrophysical Journal 2015, 800, 78
VAMOS: a Pathfinder for the HAWC Gamma-Ray Observatory1408.3477v1 · A. U. Abeysekara, R. Alfaro, C. Alvarez et al.2014 · 16 citationsarXiv
Milagro Limits and HAWC Sensitivity for the Rate-Density of Evaporating Primordial Black Holes1407.1686v2 · A. A. Abdo, A. U. Abeysekara, R. Alfaro et al.2014 · 44 citationsAstroparticle Physics, Volume 64, p. 4-12. 2015
Career total: 119 works. 58 are in this corpus.Showing the 50 most recent.
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