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View article: Sensitivity of hybrid particle detectors to the energy spectra of air shower components
Sensitivity of hybrid particle detectors to the energy spectra of air shower components Open
Measuring the energy spectrum of air shower components crucial for understanding primary cosmic rays and the physical processes governing their interactions in the atmosphere. However, accurately measuring the energy of shower particles re…
View article: Innovative Approaches to Unravel the Shower Components' Energy Spectrum with a Single Hybrid Station
Innovative Approaches to Unravel the Shower Components' Energy Spectrum with a Single Hybrid Station Open
View article: Enhancing neutrino reconstruction in water-Cherenkov air shower arrays using multi-photosensors
Enhancing neutrino reconstruction in water-Cherenkov air shower arrays using multi-photosensors Open
In this article, the potential of water Cherenkov detectors equipped with multi-PMT modules for background-free upward-going neutrino detection and improved direction reconstruction is demonstrated. By analyzing signal time traces with tra…
View article: Innovative Approaches to Unravel the Shower Components' Energy Spectrum with a Single Hybrid Station
Innovative Approaches to Unravel the Shower Components' Energy Spectrum with a Single Hybrid Station Open
Accurately measuring the energy of shower particles reaching the ground remains a challenge due to the inherent limitations of typical cosmic ray experiments. In this work, we present two experimental strategies to determine the energy spe…
View article: Azimuthal fluctuations and number of muons at the ground in muon-depleted proton air showers at PeV energies
Azimuthal fluctuations and number of muons at the ground in muon-depleted proton air showers at PeV energies Open
Muon counting is an effective strategy for discriminating between gamma- and hadron-initiated air showers. However, their detection, which requires shielded detectors, is highly expensive and challenging to implement across large, environm…
View article: Identification of low energy neutral and charged cosmic ray events in large wide field observatories
Identification of low energy neutral and charged cosmic ray events in large wide field observatories Open
The lower energy thresholds of large wide-field gamma-ray observatories are often determined by their capability to deal with the very low-energy cosmic ray background. In fact, in observatories with areas of tens or hundreds of thousands …
View article: Discriminating sub-TeV gamma and hadron-induced showers through their footprints
Discriminating sub-TeV gamma and hadron-induced showers through their footprints Open
Gamma/hadron discrimination in ground-based gamma-ray observatories at the sub-TeV energy range is challenging as traditional muon-based methods become less effective at lower energies. This work explores a novel gamma/hadron discriminatio…
View article: Muon tomography with Resistive Plate Chambers for geological characterization
Muon tomography with Resistive Plate Chambers for geological characterization Open
View article: The Potential of Water-Cherenkov Air Shower Arrays for detecting transient sources of high-energy astrophysical neutrinos
The Potential of Water-Cherenkov Air Shower Arrays for detecting transient sources of high-energy astrophysical neutrinos Open
We highlight the capacity of current and forthcoming air shower arrays using water-Cherenkov stations to detect neutrino events spanning energies from $10\,$GeV to $100\,$TeV. This detection approach leverages individual stations equipped …
View article: Identification of low energy neutral and charged cosmic ray events in large wide field observatories
Identification of low energy neutral and charged cosmic ray events in large wide field observatories Open
The lower energy thresholds of large wide-field gamma-ray observatories are often determined by their capability to deal with the very low-energy cosmic ray background. In fact, in observatories with areas of tens or hundreds of thousands …
View article: The gamma/hadron discriminator LCm in realistic air shower array experiments
The gamma/hadron discriminator LCm in realistic air shower array experiments Open
In this article, it is shown that the $$C_k$$ and LCm variables, recently introduced as an effective way to discriminate gamma and proton-induced showers in large wide-field gamma-ray observatories, can be generalised to be used in arr…
View article: $P_{tail}^α$: a high resolution gamma/hadron and composition discriminant variable for Water-Cherenkov Detector cosmic-ray observatories
$P_{tail}^α$: a high resolution gamma/hadron and composition discriminant variable for Water-Cherenkov Detector cosmic-ray observatories Open
The precise and efficient identification of the nature of the primary cosmic rays on an event-by-event basis stands as a fundamental aspiration for any cosmic ray observatory. In particular, the detection and characterization of gamma ray …
View article: Gamma/hadron discrimination at PeV energies through the azimuthal fluctuations of air shower footprint at the ground
Gamma/hadron discrimination at PeV energies through the azimuthal fluctuations of air shower footprint at the ground Open
The identification of PeV gamma rays over the cosmic ray background requires an excellent discrimination capability, usually achieved through the measurement of the shower muon content. However, the deconvolution of secondary muons from th…
View article: Outdoor systems performance and upgrade
Outdoor systems performance and upgrade Open
View article: The gamma/hadron discriminator $LCm$ in realistic air shower array experiments
The gamma/hadron discriminator $LCm$ in realistic air shower array experiments Open
In this article, it is shown that the $C_k$ and $LCm$ variables, recently introduced as an effective way to discriminate gamma and proton-induced showers in large wide-field gamma-ray observatories, can be generalised to be used in arrays …
View article: Azimuthal fluctuations and number of muons at the ground in muon-depleted proton air showers at PeV energies
Azimuthal fluctuations and number of muons at the ground in muon-depleted proton air showers at PeV energies Open
Muon counting is an effective strategy for discriminating between gamma and hadron-initiated air showers. However, their detection, which requires shielded detectors, is highly expensive and challenging to implement across large, environme…
View article: Prospects for VHE monitoring of gamma-ray bursts with SWGO
Prospects for VHE monitoring of gamma-ray bursts with SWGO Open
View article: Evaluation of the potential of a gamma-ray observatory to detect astrophysical neutrinos through inclined showers
Evaluation of the potential of a gamma-ray observatory to detect astrophysical neutrinos through inclined showers Open
We assess the capabilities of a ground-based gamma-ray observatory to detect astrophysical neutrinos with energies in the 100 TeV to 100 PeV range. The identification of these events is done through the measurement of very inclined extensi…
View article: The Mercedes water Cherenkov detector
The Mercedes water Cherenkov detector Open
The concept of a small, single-layer water Cherenkov detector, with three photomultiplier tubes (PMTs), placed at its bottom in a $$120^{\circ }$$ star configuration ( Mercedes Water Cherenkov Detector) is presented. The PMTs are place…
View article: Evaluation of the potential of a gamma-ray observatory to detect astrophysical neutrinos through inclined showers
Evaluation of the potential of a gamma-ray observatory to detect astrophysical neutrinos through inclined showers Open
We assess the capabilities of a ground-based gamma-ray observatory to detect astrophysical neutrinos with energies in the $100\,{\rm TeV}$ to $100\,{\rm PeV}$ range. The identification of these events would be done through the measurement …
View article: The Mercedes water Cherenkov detector
The Mercedes water Cherenkov detector Open
The concept of a small, single-layer water Cherenkov detector, with three photomultiplier tubes (PMTs), placed at its bottom in a $120^{\circ}$ star configuration (\emph{Mercedes} Water Cherenkov Detector) is presented. The PMTs are placed…
View article: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:msubsup><mml:mrow><mml:mi>P</mml:mi></mml:mrow><mml:mrow><mml:mi>γ</mml:mi><mml:mi>h</mml:mi></mml:mrow><mml:mrow><mml:mi>α</mml:mi></mml:mrow></mml:msubsup></mml:math>: A new variable for γ/h discrimination in large gamma-ray ground arrays
: A new variable for γ/h discrimination in large gamma-ray ground arrays Open
View article: Tackling the muon identification in water Cherenkov detectors problem for the future Southern Wide-field Gamma-ray Observatory by means of machine learning
Tackling the muon identification in water Cherenkov detectors problem for the future Southern Wide-field Gamma-ray Observatory by means of machine learning Open
View article: Muography in the University and in the Museum
Muography in the University and in the Museum Open
The LouMu team joins together specialists in particle detectors and in cosmic ray analyses, geophysicists and science communicators to muograph an underground gallery of an old mine, now open to visitors of a science museum. The muon teles…
View article: Probing Gamma-Ray Burst VHE Emission with the Southern Wide-Field-of-View Gamma-Ray Observatory
Probing Gamma-Ray Burst VHE Emission with the Southern Wide-Field-of-View Gamma-Ray Observatory Open
Recent observations have confirmed that Gamma-Ray Burst (GRB) afterglows produce Very High-Energy radiation (VHE, E>100GeV). This highly anticipated discovery opens new scenarios in the interpretation of GRBs and in their role as probes of…
View article: Gamma-ray burst detection prospects for next generation ground-based VHE facilities
Gamma-ray burst detection prospects for next generation ground-based VHE facilities Open
Gamma-ray Bursts (GRB) were discovered by satellite-based detectors as powerful sources of transient γ-ray emission. The Fermi satellite detected an increasing number of these events with its dedicated Gamma-ray Burst Monitor (GBM), some o…
View article: $P_{\gamma h}^{\alpha}$: a new variable for $\gamma / {\rm h}$ discrimination in large gamma-ray ground arrays
$P_{\gamma h}^{\alpha}$: a new variable for $\gamma / {\rm h}$ discrimination in large gamma-ray ground arrays Open
In this letter, a new strategy to enhance the discrimination of high-energy gamma rays from the huge charged cosmic rays background in large cosmic rays ground arrays is presented. This strategy is based on the introduction of a new simple…
View article: New methods to reconstruct Xmax and the energy of gamma-ray air showers with high accuracy in large wide-field observatories
New methods to reconstruct Xmax and the energy of gamma-ray air showers with high accuracy in large wide-field observatories Open
A new method to reconstruct the slant depth of the maximum of the longitudinal profile ($X_{\rm max}$) of high-energy showers initiated by gamma-rays as well as their energy ($E_0$) are presented. The method was developed for gamma rays wi…
View article: Gamma/hadron discrimination using a small-WCD with four PMTs
Gamma/hadron discrimination using a small-WCD with four PMTs Open
The Southern Wide-field Gamma-ray Observatory (SWGO) is the next-generation gamma-ray observatory, currently in an R&D phase. The experiment is expected to have a large array of water Cherenkov detectors (WCD) placed at a high elevatio…
View article: Bayesian Deep Learning for Shower Parameter Reconstruction in Water Cherenkov Detectors
Bayesian Deep Learning for Shower Parameter Reconstruction in Water Cherenkov Detectors Open
Deep Learning methods are among the state-of-art of several computer vision tasks, intelligent control systems, fast and reliable signal processing and inference in big data regimes. It is also a promising tool for scientific analysis, suc…