Explanipedia

Indirect search for dark matter with a combined analysis of dwarf spheroidal galaxies from VERITAS Open

A. Acharyya, C. B. Adams, P. Bangale, J. T. Bartkoske, P. Batista , et al. · 2024

Understanding the nature and identity of dark matter is a key goal in the physics community. In the case that TeV-scale dark matter particles decay or annihilate into Standard Model particles, very-high-energy (VHE) gamma rays (greater tha…

An indirect search for dark matter with a combined analysis of dwarf spheroidal galaxies from VERITAS Open

A. Acharyya, C. B. Adams, P. Bangale, J. T. Bartkoske, P. Batista , et al. · 2024

Understanding the nature and identity of dark matter is a key goal in the physics community. In the case that TeV-scale dark matter particles decay or annihilate into standard model particles, very-high-energy (VHE) gamma rays (greater tha…

Deployment of Water-based Liquid Scintillator in the Accelerator Neutrino Neutron Interaction Experiment Open

M. V. Ascencio, Z. Bagdasarian, J. F. Beacom, M. Bergevin, M. Breisch , et al. · 2024

The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is a 26-ton water Cherenkov neutrino detector installed on the Booster Neutrino Beam (BNB) at Fermilab. Its main physics goals are to perform a measurement of the neutron yiel…

A Multiwavelength Investigation of PSR J2229+6114 and its Pulsar Wind Nebula in the Radio, X-Ray, and Gamma-Ray Bands Open

Isaac Pope, Kaya Mori, Moaz Abdelmaguid, Joseph Gelfand, S. P. Reynolds , et al. · 2024

G106.3+2.7, commonly considered to be a composite supernova remnant (SNR), is characterized by a boomerang-shaped pulsar wind nebula (PWN) and two distinct (“head” and “tail”) regions in the radio band. A discovery of very-high-energy gamm…

A Multiwavelength Investigation of PSR J2229+6114 and its Pulsar Wind Nebula in the Radio, X-Ray, and Gamma-Ray Bands Open

Isaac Pope, Kaya Mori, Moaz Abdelmaguid, Joseph Gelfand, Stephen P. Reynolds , et al. · 2023

G106.3+2.7, commonly considered to be a composite supernova remnant (SNR), is characterized by a boomerang-shaped pulsar wind nebula (PWN) and two distinct (“head” and “tail”) regions in the radio band. A discovery of very-high-energy gamm…

Deployment of Water-based Liquid Scintillator in the Accelerator Neutrino Neutron Interaction Experiment Open

A. D. Falcone for Milagro collaboration, M. V. Ascencio, Z. Bagdasarian, J. F. Beacom, M. Bergevin , et al. · 2023

The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is a 26-ton water Cherenkov neutrino detector installed on the Booster Neutrino Beam (BNB) at Fermilab. Its main physics goals are to perform a measurement of the neutron yiel…

VERITAS contributions to the 38th International Cosmic Ray Conference Open

A. Acharyya, C. B. Adams, A. Archer, P. Bangale, J. T. Bartkoske , et al. · 2023

Compilation of papers presented by the VERITAS Collaboration at the 38th International Cosmic Ray Conference (ICRC), held July 26 through August 3, 2023 in Nagoya, Japan.

Multiwavelength Observations of the Blazar PKS 0735+178 in Spatial and Temporal Coincidence with an Astrophysical Neutrino Candidate IceCube-211208A Open

A. Acharyya, C. B. Adams, A. Archer, P. Bangale, J. T. Bartkoske , et al. · 2023

We report on multiwavelength target-of-opportunity observations of the blazar PKS 0735+178, located 2.°2 away from the best-fit position of the IceCube neutrino event IceCube-211208A detected on 2021 December 8. The source was in a high-fl…

Exploring the Potential of the Pulsed Laser onboard the CALIPSO Satellite to Improve Calibration with VERITAS Open

G. M. Foote, A. Acharyya, C. B. Adams, A. Archer, P. Bangale , et al. · 2023

Imaging Atmospheric Cherenkov Telescopes (IACTs) are used to detect bright nanosecond-duration flashes of optical light originating from interactions of cosmic/gamma-rays in the atmosphere. A natural calibration source with similar charact…

Tau-Charm Factory Design Open

B. C. Barish, A. Odian, R. Gearhart, Charles T. Munger, R. Stroynowski , et al. · 2023

Exploring the Quantum Universe: Pathways to Innovation and Discovery in Particle Physics Open

Hitoshi Murayama, S. Asai, K. M. Heeger, Amalia Ballarino, T. Bose , et al. · 2023

Particle physics studies the smallest constituents of our vast and complex universe. At such small scales, the fundamental principles of quantum physics prevail. Remarkably, the entire observable universe, now billions of light years acros…

VERITAS and Fermi-LAT Constraints on the Gamma-Ray Emission from Superluminous Supernovae SN2015bn and SN2017egm Open

A. Acharyya, C. B. Adams, P. Bangale, W. Benbow, J. H. Buckley , et al. · 2023

Superluminous supernovae (SLSNe) are a rare class of stellar explosions with luminosities ∼ 10–100 times greater than ordinary core-collapse supernovae. One popular model to explain the enhanced optical output of hydrogen-poor (Type I) SLS…

VERITAS and Fermi-LAT constraints on the Gamma-ray Emission from Superluminous Supernovae SN2015bn and SN2017egm Open

A. Acharyya, C. B. Adams, P. Bangale, W. Benbow, J. H. Buckley , et al. · 2023

Superluminous supernovae (SLSNe) are a rare class of stellar explosions with luminosities ~10-100 times greater than ordinary core-collapse supernovae. One popular model to explain the enhanced optical output of hydrogen-poor (Type I) SLSN…

VTSCat: The VERITAS Catalog of Gamma-Ray Observations Open

A. Acharyya, C. B. Adams, A. Archer, P. Bangale, J. T. Bartkoske , et al. · 2023

VTSCat is the catalog of high-level data products from all publications of the VERITAS collaboration. The VTSCat data collection contains: high-level data like spectral flux points, light curves, spectral fits in human and machine-readable…

VTSCat: The VERITAS Catalog of Gamma-Ray Observations Open

A. Acharyya, C. B. Adams, A. Archer, P. Bangale, J. T. Bartkoske , et al. · 2023

The ground-based gamma-ray observatory Very Energetic Radiation Imaging Telescope Array System (VERITAS, https://veritas.sao.arizona.edu/ ) is sensitive to photons of astrophysical origin with energies in the range between ≈85 GeV and ≈30 …

Multiwavelength Observations of the Blazar VER J0521+211 during an Elevated TeV Gamma-Ray State Open

C. B. Adams, P. Batista, W. Benbow, A. Brill, Robert Brose , et al. · 2022

We report on a long-lasting, elevated gamma-ray flux state from VER J0521+211 observed by VERITAS, MAGIC, and Fermi-LAT in 2013 and 2014. The peak integral flux above 200 GeV measured with the nightly binned light curve is (8.8 ± 0.4) × 10…

STUDY OF THE RADIATIVE DECAY J / PSI ---> GAMMA ETA PI+ PI- Open

J. Becker, D. Coward, D.E. Dorfan, W. Stockhausen, W. J. Wisniewski , et al. · 2022

Observation of the Gamma-Ray Binary HESS J0632+057 with the H.E.S.S., MAGIC, and VERITAS Telescopes Open

C. B. Adams, W. Benbow, A. Brill, J. H. Buckley, M. Capasso , et al. · 2021

The results of gamma-ray observations of the binary system HESS J0632 + 057 collected during 450 hr over 15 yr, between 2004 and 2019, are presented. Data taken with the atmospheric Cherenkov telescopes H.E.S.S., MAGIC, and VERITAS at ener…

Multiwavelength Observation Campaign of the TeV Gamma-Ray Binary HESS J0632 + 057 with NuSTAR, VERITAS, MDM, and Swift Open

Yarone M. Tokayer, Hongjun An, J. P. Halpern, Jinyoung Kim, Kaya Mori , et al. · 2021

HESS J0632+057 belongs to a rare subclass of binary systems that emit gamma rays above 100 GeV. It stands out for its distinctive high-energy light curve, which features a sharp “primary” peak and broader “secondary” peak. We present the r…

The throughput calibration of the VERITAS telescopes Open

C. B. Adams, W. Benbow, A. Brill, J. H. Buckley, Jessie L. Christiansen , et al. · 2021

Context. The response of imaging atmospheric Cherenkov telescopes to incident γ -ray-initiated showers in the atmosphere changes as the telescopes age due to exposure to light and weather. These aging processes affect the reconstructed ene…

VERITAS contributions to the 37th International Cosmic Ray Conference Open

C. B. Adams, A. Archer, W. Benbow, A. Brill, J. H. Buckley , et al. · 2021

Compilation of papers presented by the VERITAS Collaboration at the 37th International Cosmic Ray Conference (ICRC), held July 12 through July 23, 2021 (online) in Berlin, Germany.

A Search for TeV Gamma-Ray Emission from Pulsar Tails by VERITAS Open

W. Benbow, A. Brill, J. Buckley, M. Capasso, A. J. Chromey , et al. · 2021

We report on the search for very-high-energy gamma-ray emission from the regions around three nearby supersonic pulsars (PSR B0355+54, PSR J0357+3205, and PSR J1740+1000) that exhibit long X-ray tails. To date there is no clear detection o…

The throughput calibration of the VERITAS telescopes Open

M. Nievas Rosillo, C. B. Adams, A. Archer, W. Benbow, A. Brill , et al. · 2021

\nContext. The response of imaging atmospheric Cherenkov telescopes to incident γ-ray-initiated showers in the atmosphere changes as the telescopes age due to exposure to light and weather. These aging processes affect the reconstructed en…

Status of the VERITAS Stellar Intensity Interferometry (VSII) System Open

D. Kieda, Davis Jonathan, LeBohec Tugdual, Matthews Nolan K., Mike Lisa , et al. · 2021

The VERITAS Imaging Air Cherenkov Telescope array (IACT) was augmented in 2019 with high-speed focal plane electronics to allow the use of VERITAS for Stellar Intensity Interferometry (SII) observations. Since that time, several improvemen…

Very High Energy Gamma-ray Emission from the Binary System LS I +61 303 Open

D. Kieda, C. B. Adams, A. Archer, W. Benbow, A. Brill , et al. · 2021

LS I +61$^{\circ}$ 303 is one of around ten gamma-ray binaries detected so far which has a spectral energy distribution dominated by MeV-GeV photons. It is located at a distance of 2 kpc and consists of a compact object (black hole or neut…

An Archival Search for Very-High-Energy Counterparts to Sub-Threshold Neutron-Star Merger Candidates Open

C. B. Adams, I. Bartos, K. R. Corley, Szabolcs Márka, Z. Márka , et al. · 2021

The recent discovery of electromagnetic signals in coincidence with\ngravitational waves from neutron-star mergers has solidified the importance of\nmultimessenger campaigns for studying the most energetic astrophysical events.\nPioneering…

VTSCat: The VERITAS Catalog of Gamma-Ray Observations Open

S. Patel, G. Maier, P. Kaaret, A. N. Otte, Abe Falcone , et al. · 2021

We present a catalog of results of gamma-ray observations made by VERITAS, published from 2008 to 2020. VERITAS is a ground based imaging atmospheric Cherenkov telescope observatory located at the Fred Lawrence Whipple Observatory (FLWO) i…

The VERITAS-Stellar Intensity Interferometry (VSII) survey of Stellar Diameters Open

D. Kieda, Jonathan D. Davis, Tugdual LeBohec, Mike Lisa, N. Matthews , et al. · 2021

The VERITAS Imaging Air Cherenkov Telescope (IACT) array was augmented in 2019 with high-speed focal plane electronics to allow its use for Stellar Intensity Interferometry (SII) observations. Since January 2019, The VERITAS Stellar Interf…

Identifying muon rings in VERITAS data using convolutional neural networks trained on images classified with Muon Hunters 2 Open

Kevin C. Flanagan, Darryl Wright, H. J. Dickinson, P. Wilcox, Michael Laraia , et al. · 2021

Muons from extensive air showers appear as rings in images taken with imaging atmospheric Cherenkov telescopes, such as VERITAS. These muon-ring images are used for the calibration of the VERITAS telescopes, however the calibration accurac…

Multi-Messenger observations of the Fermi-LAT blazar 4FGL J0658.6+0636 consistent with an IceCube high-energy neutrino Open

Raniere de Menezes, S. Buson, S. Garrappa, Andrea Gokus, M. Kadler , et al. · 2021

The detection of cosmic neutrinos has raised many new questions in astroparticle physics, among the most compelling of which is the identification of cosmic neutrino emitters. After more than a decade of IceCube operations, the most promis…

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