F. Arqueros
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View article: Implementation of X-rays production in LegPy
Implementation of X-rays production in LegPy Open
The LegPy package has been upgraded by including the production of X-ray fluorescence based on a simple model. Several tests have been done to check the validity of our approximations. This simple model has been sufficient to fix severe de…
View article: An easy tool for the Monte Carlo simulation of the passage of photons and electrons through matter
An easy tool for the Monte Carlo simulation of the passage of photons and electrons through matter Open
A simple Monte Carlo (MC) algorithm for the simulation of the passage of low-energy gamma rays and electrons through any material medium is presented. The algorithm includes several approximations that accelerate the simulation while maint…
View article: CTA – the World’s largest ground-based gamma-ray observatory
CTA – the World’s largest ground-based gamma-ray observatory Open
Very-High Energy (VHE) gamma-ray astroparticle physics is a relatively young field, and observations
\nover the past decade have surprisingly revealed almost two hundred VHE emitters which
\nappear to act as cosmic particle accelerators. T…
View article: Sensitivity of the Cherenkov Telescope Array for probing cosmology and fundamental physics with gamma-ray propagation
Sensitivity of the Cherenkov Telescope Array for probing cosmology and fundamental physics with gamma-ray propagation Open
The Cherenkov Telescope Array (CTA), the new-generation ground-based observatory for γ astronomy, provides unique capabilities to address significant open questions in astrophysics, cosmology, and fundamental physics. We study some of the …
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: 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: Erratum: Search for photons with energies above 10<sup>18</sup> eVusing the hybrid detector of the Pierre Auger Observatory
Erratum: Search for photons with energies above 10<sup>18</sup> eVusing the hybrid detector of the Pierre Auger Observatory Open
Please see the PDF file for details.
View article: Simulation of fluorescence radiation for Cherenkov observatories
Simulation of fluorescence radiation for Cherenkov observatories Open
Several techniques inside Astroparticle Physics use Extensive Air Showers (EAS) as a proxy to study very energetic particles that reach Earth. EAS themselves are detected through different means, among them the measurement of Cherenkov or …
View article: The relevance of fluorescence radiation in Cherenkov telescopes
The relevance of fluorescence radiation in Cherenkov telescopes Open
Cherenkov telescopes are also sensitive to the atmospheric fluorescence\nproduced by the extensive air showers. However this contribution is neglected\nby the reconstruction algorithms of imaging air Cherenkov telescopes IACTs and\nwide-an…
View article: Erratum: Combined fit of spectrum and composition data as measured by the Pierre Auger Observatory
Erratum: Combined fit of spectrum and composition data as measured by the Pierre Auger Observatory Open
\n Contains fulltext :\n 191482.pdf (Publisher’s version ) (Open Access)\n
View article: Inferences on mass composition and tests of hadronic interactions from 0.3 to 100 EeV using the water-Cherenkov detectors of the Pierre Auger Observatory
Inferences on mass composition and tests of hadronic interactions from 0.3 to 100 EeV using the water-Cherenkov detectors of the Pierre Auger Observatory Open
We present a new method for probing the hadronic interaction models at ultrahigh energy and extracting details about mass composition. This is done using the time profiles of the signals recorded with the water-Cherenkov detectors of the P…
View article: Inferences on mass composition and tests of hadronic interactions from 0.3 to 100 EeV using the water-Cherenkov detectors of the Pierre Auger Observatory
Inferences on mass composition and tests of hadronic interactions from 0.3 to 100 EeV using the water-Cherenkov detectors of the Pierre Auger Observatory Open
We present a new method for probing the hadronic interaction models at ultra-high energy and extracting details about mass composition. This is done using the time profiles of the signals recorded with the water-Cherenkov detectors of the …
View article: Calibration of the logarithmic-periodic dipole antenna (LPDA) radio stations at the Pierre Auger Observatory using an octocopter
Calibration of the logarithmic-periodic dipole antenna (LPDA) radio stations at the Pierre Auger Observatory using an octocopter Open
An in-situ calibration of a logarithmic periodic dipole antenna with a frequency coverage of 30MHz to 80MHz is performed. Such antennas are part of a radio station system used for detection of cosmic ray induced air showers at the Engineer…
View article: Observation of a large-scale anisotropy in the arrival directions of cosmic rays above 8 × 10 <sup>18</sup> eV
Observation of a large-scale anisotropy in the arrival directions of cosmic rays above 8 × 10 <sup>18</sup> eV Open
High-energy particles are extragalactic Cosmic rays are high-energy particles arriving from space; some have energies far beyond those that human-made particle accelerators can achieve. The sources of higher-energy cosmic rays remain under…
View article: Cherenkov Telescope Array Contributions to the 35th International Cosmic Ray Conference (ICRC2017)
Cherenkov Telescope Array Contributions to the 35th International Cosmic Ray Conference (ICRC2017) Open
List of contributions from the Cherenkov Telescope Array Consortium presented at the 35th International Cosmic Ray Conference, July 12-20 2017, Busan, Korea.
View article: A Monte Carlo study of the relevance of fluorescence radiation in VHE gamma ray observations with Cherenkov telescopes
A Monte Carlo study of the relevance of fluorescence radiation in VHE gamma ray observations with Cherenkov telescopes Open
It is generally assumed that fluorescence radiation does not play a significant role in the performance of Cherenkov telescopes. This assumption is put to the test of detailed Monte Carlo simulations. To this end we have implemented the pr…
View article: Multi-resolution anisotropy studies of ultrahigh-energy cosmic rays detected at the Pierre Auger Observatory
Multi-resolution anisotropy studies of ultrahigh-energy cosmic rays detected at the Pierre Auger Observatory Open
© 2017 IOP Publishing Ltd and Sissa Medialab. We report a multi-resolution search for anisotropies in the arrival directions of cosmic rays detected at the Pierre Auger Observatory with local zenith angles up to 80° and energies in excess …
View article: Prospects for Cherenkov Telescope Array Observations of the Young Supernova Remnant RX J1713.7−3946
Prospects for Cherenkov Telescope Array Observations of the Young Supernova Remnant RX J1713.7−3946 Open
We perform simulations for future Cherenkov Telescope Array (CTA) observations of RX J1713.7−3946, a young supernova remnant (SNR) and one of the brightest sources ever discovered in very high energy (VHE) gamma rays. Special attention is …
View article: Combined fit of spectrum and composition data as measured by the Pierre Auger Observatory
Combined fit of spectrum and composition data as measured by the Pierre Auger Observatory Open
We present a combined fit of a simple astrophysical model of UHECR sources to both the energy spectrum and mass composition data measured by the Pierre Auger Observatory. The fit has been performed for energies above 5⋅10$^{18}$ eV, i.e. t…
View article: Search for photons with energies above 10<sup>18</sup>eV using the hybrid detector of the Pierre Auger Observatory
Search for photons with energies above 10<sup>18</sup>eV using the hybrid detector of the Pierre Auger Observatory Open
A search for ultra-high energy photons with energies above 1 EeV is performed using nine years of data collected by the Pierre Auger Observatory in hybrid operation mode. An unprecedented separation power between photon and hadron primarie…
View article: A Targeted Search for Point Sources of EeV Photons with the Pierre Auger Observatory
A Targeted Search for Point Sources of EeV Photons with the Pierre Auger Observatory Open
Simultaneous measurements of air showers with the fluorescence and surface detectors of the Pierre Auger Observatory allow a sensitive search for EeV photon point sources. Several Galactic and extragalactic candidate objects are grouped in…
View article: Impact of atmospheric effects on the energy reconstruction of air showers observed by the surface detectors of the Pierre Auger Observatory
Impact of atmospheric effects on the energy reconstruction of air showers observed by the surface detectors of the Pierre Auger Observatory Open
Atmospheric conditions, such as the pressure (P), temperature (T) or air density (ρ∞P/T), affect the development of extended air showers initiated by energetic cosmic rays. We study the impact of the atmospheric variations on the reconstru…
View article: Muon counting using silicon photomultipliers in the AMIGA detector of the Pierre Auger observatory
Muon counting using silicon photomultipliers in the AMIGA detector of the Pierre Auger observatory Open
AMIGA (Auger Muons and Infill for the Ground Array) is an upgrade of the Pierre Auger Observatory designed to extend its energy range of detection and to directly measure the muon content of the cosmic ray primary particle showers. The arr…
View article: The Pierre Auger Observatory: Contributions to the 35th International Cosmic Ray Conference (ICRC 2017)
The Pierre Auger Observatory: Contributions to the 35th International Cosmic Ray Conference (ICRC 2017) Open
Contributions of the Pierre Auger Collaboration to the 35th International\nCosmic Ray Conference (ICRC 2017), 12-20 July 2017, Bexco, Busan, Korea.\n
View article: Ultrahigh-energy neutrino follow-up of gravitational wave events GW150914 and GW151226 with the Pierre Auger Observatory
Ultrahigh-energy neutrino follow-up of gravitational wave events GW150914 and GW151226 with the Pierre Auger Observatory Open
© 2016 American Physical Society. On September 14, 2015 the Advanced LIGO detectors observed their first gravitational wave (GW) transient GW150914. This was followed by a second GW event observed on December 26, 2015. Both events were inf…
View article: Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory
Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory Open
Ultrahigh energy cosmic ray air showers probe particle physics at energies beyond the reach of accelerators. Here we introduce a new method to test hadronic interaction models without relying on the absolute energy calibration, and apply i…