M. K. Daniel
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View article: Active faulting in the upper plate of the Himalayas: Paleoseismic insights from the Western Nepal fault system
Active faulting in the upper plate of the Himalayas: Paleoseismic insights from the Western Nepal fault system Open
Understanding the role of upper-plate faults in obliquely convergent margins is essential for assessing regional strain distribution and seismic hazards. In the Himalayas, paleoseismic research has focused on the Main Frontal thrust as the…
View article: Dextral slip along the Western Nepal Fault System accommodates significant orogen-parallel shear
Dextral slip along the Western Nepal Fault System accommodates significant orogen-parallel shear Open
New mapping in northwestern Nepal documents geomorphic landforms that are truncated and offset by active faults along the Western Nepal Fault System (WNFS), a right-slip fault system that accommodates orogen-parallel strain in the West Nep…
View article: Case Report: Three cases of clinically suspected viral myocarditis with recovery of left ventricular dysfunction
Case Report: Three cases of clinically suspected viral myocarditis with recovery of left ventricular dysfunction Open
Viral myocarditis is an important cause of non-ischemic cardiomyopathy. Multiple clinical manifestations have been reported, including acute heart failure, cardiogenic shock, and ventricular arrhythmias. We present three patients with clin…
View article: 35 Pairwise Concurrence Rates Between Standalone and Embedded Performance Validity Tests
35 Pairwise Concurrence Rates Between Standalone and Embedded Performance Validity Tests Open
Objective: Determine the classification concordance between a standalone performance validity test (PVT) and embedded PVTs from multiple cognitive domains. Participants and Methods: Participants were 106 patients (49.1% female; 69% white) …
View article: VTSCat: The VERITAS Catalog of Gamma-Ray Observations
VTSCat: The VERITAS Catalog of Gamma-Ray Observations Open
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…
View article: VTSCat: The VERITAS Catalog of Gamma-Ray Observations
VTSCat: The VERITAS Catalog of Gamma-Ray Observations Open
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 …
View article: Sub-Hour Timescale Behaviour Of The Solar Resource
Sub-Hour Timescale Behaviour Of The Solar Resource Open
The solar resource changes through a combination of deterministic variability due to the orbit and rotation of the Earth and stochastic intermittency induced by the Earth’s atmosphere. The intermittency acts to complicate forecasts that co…
View article: A-273 MRI White Matter Hyperintensities and Neuropsychological Performance in a Young Adult Clinical Sample
A-273 MRI White Matter Hyperintensities and Neuropsychological Performance in a Young Adult Clinical Sample Open
Objective: Investigate the association of white-matter hyperintensities (WMH) on routine clinical MRI and neuropsychological test performance in a young adult clinical sample referred for neuropsychological assessment. Method: From a sampl…
View article: A-202 Cognitive Predictors of Verbal Memory Test Performance in an Outpatient Clinical Sample
A-202 Cognitive Predictors of Verbal Memory Test Performance in an Outpatient Clinical Sample Open
Objective: Investigate the influence of non-memory cognitive abilities on auditory-verbal memory test performance in a clinical sample. Method: Archival data were analyzed for 129 patients [53.5% female; mean (SD): age = 46.48 (13.95), edu…
View article: VTSCat: The VERITAS Catalog of Gamma-Ray Observations
VTSCat: The VERITAS Catalog of Gamma-Ray Observations Open
VTSCat is the catalog of high-level data products from all publications of the [VERITAS collaboration(https://veritas.sao.arizona.edu/). The VTSCat data collection contains: - high-level data like spectral flux points, light curves, spectr…
View article: VTSCat: The VERITAS Catalog of Gamma-Ray Observations
VTSCat: The VERITAS Catalog of Gamma-Ray Observations Open
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 …
View article: VTSCat: The VERITAS Catalog of Gamma-Ray Observations
VTSCat: The VERITAS Catalog of Gamma-Ray Observations Open
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 …
View article: VTSCat: The VERITAS Catalog of Gamma-Ray Observations
VTSCat: The VERITAS Catalog of Gamma-Ray Observations Open
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 …
View article: VTSCat: The VERITAS Catalog of Gamma-Ray Observations
VTSCat: The VERITAS Catalog of Gamma-Ray Observations Open
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 …
View article: VTSCat: The VERITAS Catalog of Gamma-Ray Observations
VTSCat: The VERITAS Catalog of Gamma-Ray Observations Open
VTSCat is the catalog of high-level data products from all publications of the VERITAS collaboration. Most recent versions of VTSCat are available through https://doi.org/10.5281/zenodo.6988967 The VTSCat data collection contains: high-lev…
View article: VTSCat: The VERITAS Catalog of Gamma-Ray Observations
VTSCat: The VERITAS Catalog of Gamma-Ray Observations Open
VTSCat is the catalog of high-level data products from all publications of the VERITAS collaboration. Most recent versions of VTSCat are available through https://doi.org/10.5281/zenodo.6988967 The VTSCat data collection contains: high-lev…
View article: VERITAS Observations of the Galactic Center Region at Multi-TeV Gamma-Ray Energies
VERITAS Observations of the Galactic Center Region at Multi-TeV Gamma-Ray Energies Open
The Galactic Center (GC) region hosts a variety of powerful astronomical sources and rare astrophysical processes that emit a large flux of nonthermal radiation. The inner 375 pc × 600 pc region, called the Central Molecular Zone, is home …
View article: Sensitivity of the Cherenkov Telescope Array to a dark matter signal from the Galactic centre
Sensitivity of the Cherenkov Telescope Array to a dark matter signal from the Galactic centre Open
We provide an updated assessment of the power of the Cherenkov Telescope Array (CTA) to search for thermally produced dark matter at the TeV scale, via the associated gamma-ray signal from pair-annihilating dark matter particles in the reg…
View article: Separating $^{39}$Ar from $^{40}$Ar by cryogenic distillation with Aria for dark matter searches
Separating $^{39}$Ar from $^{40}$Ar by cryogenic distillation with Aria for dark matter searches Open
The Aria project consists of a plant, hosting a 350 m cryogenic isotopic distillation column, the tallest ever built, which is currently in the installation phase in a mine shaft at Carbosulcis S.p.A., Nuraxi-Figus (SU), Italy. Aria is one…
View article: SiPM-matrix readout of two-phase argon detectors using electroluminescence in the visible and near infrared range
SiPM-matrix readout of two-phase argon detectors using electroluminescence in the visible and near infrared range Open
Proportional electroluminescence (EL) in noble gases is used in two-phase detectors for dark matter searches to record (in the gas phase) the ionization signal induced by particle scattering in the liquid phase. The “standard” EL mechanism…
View article: Likelihoods for the CTA sensitivity to a dark matter signal from the Galactic centre (A. Acharyya et al., [arXiv:2007.16129])
Likelihoods for the CTA sensitivity to a dark matter signal from the Galactic centre (A. Acharyya et al., [arXiv:2007.16129]) Open
We present likelihoods to estimate upper limits on DM pair-annihilation in the Galactic centre, based on the Cherenkov Telescope Array (CTA) consortium publication "Sensitivity of the Cherenkov Telescope Array to a dark matter signal from …
View article: VERITAS Discovery of VHE Emission from the Radio Galaxy 3C 264: A Multi-Wavelength Study
VERITAS Discovery of VHE Emission from the Radio Galaxy 3C 264: A Multi-Wavelength Study Open
The radio source 3C 264, hosted by the giant elliptical galaxy NGC 3862, was observed with VERITAS between February 2017 and May 2019. These deep observations resulted in the discovery of very-high-energy (VHE; E >100 GeV) γ-ray emission f…
View article: AVOLAR. A high voltage generator for liquid argon time projection chambers
AVOLAR. A high voltage generator for liquid argon time projection chambers Open
Some of the main neutrino oscillation and dark matter experiments have chosen time projection chambers (TPC) filled with liquid argon (LAr) as their technology for the next generation of detectors. Because of its typical drift length of se…
View article: Design and construction of a new detector to measure ultra-low radioactive-isotope contamination of argon
Design and construction of a new detector to measure ultra-low radioactive-isotope contamination of argon Open
Large liquid argon detectors offer one of the best avenues for the detection of galactic weakly interacting massive particles (WIMPs) via their scattering on atomic nuclei. The liquid argon target allows exquisite discrimination between nu…
View article: The Great Markarian 421 Flare of 2010 February: Multiwavelength Variability and Correlation Studies
The Great Markarian 421 Flare of 2010 February: Multiwavelength Variability and Correlation Studies Open
We report on variability and correlation studies using multiwavelength observations of the blazar Mrk 421 during the month of 2010 February, when an extraordinary flare reaching a level of ∼27 Crab Units above 1 TeV was measured in very hi…
View article: Recent results from VERITAS
Recent results from VERITAS Open
VERITAS has been observing the northern sky at TeV energies with full sensitivity since 2007. Consisting of a ground based array of four 12 m imaging atmospheric Cherenkov telescopes, sited in southern Arizona, it is one of the world’s mos…
View article: Muon Hunter: a Zooniverse project
Muon Hunter: a Zooniverse project Open
The large datasets and often low signal-to-noise inherent to the raw data of modern astroparticle experiments calls out for increasingly sophisticated event classification techniques. Machine learning algorithms, such as neural networks, h…