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View article: VHE γ-ray observations of bright BL Lacs with the Large-Sized Telescope prototype (LST-1) of the CTAO
VHE γ-ray observations of bright BL Lacs with the Large-Sized Telescope prototype (LST-1) of the CTAO Open
Cherenkov Telescope Array Observatory (CTAO) is the next-generation ground-based $\gamma$-ray observatory operating in the energy range from $20\, \mathrm{GeV}$ up to $300\, \mathrm{TeV}$, with two sites in La Palma (Spain) and Paranal (Ch…
View article: Constraining the TeV gamma-ray emission of SN 2024bch, a possible type IIn-L from a red supergiant progenitor
Constraining the TeV gamma-ray emission of SN 2024bch, a possible type IIn-L from a red supergiant progenitor Open
We present very high-energy optical photometry and spectroscopic observations of SN 2024bch in the nearby galaxy NGC 3206 (∼20 Mpc). We used gamma-ray observations performed with the first Large-Sized Telescope (LST-1) of the Cherenkov Tel…
View article: Line emission search from Dark Matter annihilation in the Galactic Center with LST-1
Line emission search from Dark Matter annihilation in the Galactic Center with LST-1 Open
Dark Matter remains a great mystery in modern physics. Among various candidates, the weakly interacting massive particles (WIMPs) scenario stands out and is under extensive study. The detection of the hypothetical gamma-ray emission from W…
View article: Very high energy observations of the Seyfert galaxy NGC 4151 with MAGIC
Very high energy observations of the Seyfert galaxy NGC 4151 with MAGIC Open
Seyfert galaxies are emerging as a promising source class of high-energy neutrinos. The Seyfert galaxies NGC 4151 and NGC 1068 have respectively come up as the most promising counterparts of a 3 σ and of a 4.2 σ neutrino excesses detected …
View article: Trustworthy scientific inference with generative models
Trustworthy scientific inference with generative models Open
Generative artificial intelligence (AI) excels at producing complex data structures (text, images, videos) by learning patterns from training examples. Across scientific disciplines, researchers are now applying generative models to "inver…
View article: GRB 221009A: Observations with LST-1 of CTAO and Implications for Structured Jets in Long Gamma-Ray Bursts
GRB 221009A: Observations with LST-1 of CTAO and Implications for Structured Jets in Long Gamma-Ray Bursts Open
GRB 221009A is the brightest gamma-ray burst (GRB) observed to date. Extensive observations of its afterglow emission across the electromagnetic spectrum were performed, providing the first strong evidence of a jet with a nontrivial angula…
View article: Very-high-energy observations of the Seyfert galaxy NGC 4151 with MAGIC -- Indication of another gamma-ray obscured candidate neutrino source
Very-high-energy observations of the Seyfert galaxy NGC 4151 with MAGIC -- Indication of another gamma-ray obscured candidate neutrino source Open
Seyfert galaxies are emerging as a promising source class of high-energy neutrinos. The Seyfert galaxies NGC 4151 and NGC 1068 have come up respectively as the most promising counterparts of a 3$σ$ and of a 4.2$σ$ neutrino excesses detecte…
View article: Exploring cosmic rays with educational outreach activities: a long-term study of the correlation between atmospheric conditions and muon counts
Exploring cosmic rays with educational outreach activities: a long-term study of the correlation between atmospheric conditions and muon counts Open
The Earth atmosphere is constantly reached by cosmic rays, i.e. energetic and subatomic particles coming from all directions from space. A muon telescope is housed at the Legnaro National Laboratories (LNL) of the Italian Istituto Nazional…
View article: Searching for TeV-emitting candidates among the X-ray bright blazar population
Searching for TeV-emitting candidates among the X-ray bright blazar population Open
The purpose of this work is to estimate if, among the blazars not detected by the Fermi –LAT, a population of TeV emitting sources could be detected by current or future Cherenkov telescopes. We cross-matched the 5BZCAT catalog of blazars …
View article: Science Prospects for the Southern Wide-field Gamma-ray Observatory: SWGO
Science Prospects for the Southern Wide-field Gamma-ray Observatory: SWGO Open
Ground-based gamma-ray astronomy is now well established as a key observational approach to address critical topics at the frontiers of astroparticle physics and high-energy astrophysics. Whilst the field of TeV astronomy was once dominate…
View article: Detection of the Geminga pulsar at energies down to 20 GeV with the LST-1 of CTAO
Detection of the Geminga pulsar at energies down to 20 GeV with the LST-1 of CTAO Open
Context. Geminga is the third gamma-ray pulsar firmly detected by imaging atmospheric Cherenkov telescopes (IACTs) after the Crab and the Vela pulsars. Most of its emission is expected at tens of giga-electronvolts, and, out of the planned…
View article: A 1.8 m Class Pathfinder Raman LIDAR for the Northern Site of the Cherenkov Telescope Array Observatory—Performance
A 1.8 m Class Pathfinder Raman LIDAR for the Northern Site of the Cherenkov Telescope Array Observatory—Performance Open
The Barcelona Raman LIDAR (BRL) will provide continuous monitoring of the aerosol extinction profile along the line of sight of the Cherenkov Telescope Array Observatory (CTAO). It will be located at its Northern site (CTAO-N) on the Obser…
View article: The Barcelona Raman LIDAR project and its prospects for the CTAO-North
The Barcelona Raman LIDAR project and its prospects for the CTAO-North Open
The Cherenkov Telescope Array Observatory (CTAO) is a next-generation facility comprised of ground-based Imaging Atmospheric Cherenkov Telescopes (IACTs). The observatory, currently under construction, will include more than 70 telescopes …
View article: A 1.8 m Class Pathfinder Raman LIDAR for the Northern Site of the Cherenkov Telescope Array Observatory—Technical Design
A 1.8 m Class Pathfinder Raman LIDAR for the Northern Site of the Cherenkov Telescope Array Observatory—Technical Design Open
This paper presents the technical design of the pathfinder Barcelona Raman LIDAR (pBRL) for the northern site of the Cherenkov Telescope Array Observatory (CTAO-N) located at the Roque de los Muchachos Observatory (ORM). The pBRL is develo…
View article: Impact of 3D visualization on eCommerce: a case study at Motorola Latin America
Impact of 3D visualization on eCommerce: a case study at Motorola Latin America Open
The growth of eCommerce demands innovative technologies to enhance user experience and boost conversions, considering that online shoppers face uncertainties without physical product interaction. This study aims to assess the impact of 3D …
View article: Combined search in dwarf spheroidal galaxies for branon dark matter annihilation signatures with the MAGIC telescopes
Combined search in dwarf spheroidal galaxies for branon dark matter annihilation signatures with the MAGIC telescopes Open
Massive brane fluctuations, called branons, behave as weakly interacting massive particles, which is one of the most favored class of candidates to fulfill the role of the dark matter (DM), an elusive kind of matter beyond the Standard Mod…
View article: Insights from the first flaring activity of a high synchrotron peaked blazar with X-ray polarization and VHE gamma rays
Insights from the first flaring activity of a high synchrotron peaked blazar with X-ray polarization and VHE gamma rays Open
Context. Blazars exhibit strong variability across the entire electromagnetic spectrum, including periods of high-flux states commonly known as flares. The physical mechanisms in blazar jets responsible for flares remain poorly understood …
View article: On the Utility Function of Experiments in Fundamental Science
On the Utility Function of Experiments in Fundamental Science Open
The majority of experiments in fundamental science today are designed to be multi-purpose: their aim is not simply to measure a single physical quantity or process, but rather to enable increased precision in the measurement of a number of…
View article: Cosmic-ray acceleration and escape from supernova remnant W44 as probed by Fermi-LAT and MAGIC
Cosmic-ray acceleration and escape from supernova remnant W44 as probed by Fermi-LAT and MAGIC Open
Context. The supernova remnant (SNR) W44 and its surroundings are a prime target for studying the acceleration of cosmic rays (CRs). Several previous studies established an extended gamma-ray emission that is set apart from the radio shell…
View article: Galactic Center Observations with CTAO LST-1
Galactic Center Observations with CTAO LST-1 Open
Very-high-energy gamma-ray observations of the central part of the Milky Way Galaxy allow for morphological study of cosmic-ray propagation around the supermassive black hole Sgr A*. An interpretation of the diffuse gamma-ray component, wh…
View article: ALPs searches with LST-1
ALPs searches with LST-1 Open
Axions and axion-like particles (ALPs) are hypothetical particles predicted by several extensions of the Standard Model and viable candidates for solving one of the big mysteries of the Universe: Dark Matter. By exploring the spectra of as…
View article: Multiwavelength study of OT 081: broadband modelling of a transitional blazar
Multiwavelength study of OT 081: broadband modelling of a transitional blazar Open
OT 081 is a well-known, luminous blazar that is remarkably variable in many energy bands. We present the first broadband study of the source, which includes very high energy (VHE, $E\gt $ 100 GeV) $\gamma$-ray data taken by the MAGIC (Majo…
View article: Cosmic-ray acceleration and escape from supernova remnant W44 as probed by <i>Fermi</i>-LAT and MAGIC
Cosmic-ray acceleration and escape from supernova remnant W44 as probed by <i>Fermi</i>-LAT and MAGIC Open
Context. The supernova remnant (SNR) W44 and its surroundings are a prime target for studying the acceleration of cosmic rays (CRs). Several previous studies established an extended gamma-ray emission that is set apart from the radio shell…
View article: A new look at the extragalactic very high energy sky: Searching for TeV-emitting candidates among the X-ray-bright, non-Fermi-detected blazar population
A new look at the extragalactic very high energy sky: Searching for TeV-emitting candidates among the X-ray-bright, non-Fermi-detected blazar population Open
We present the results of a multiwavelength study of blazars selected from the fifth ROMABZCAT catalog. We selected from this sample a subsample of 2435 objects that have at least one counterpart in one of the three main archival X-ray cat…