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The High-Altitude Water Cherenkov (HAWC) Observatory comprises 300 water Cherenkov detectors, each equipped with four photomultipliers, located on the Volc\'{a}n Sierra Negra in Mexico at 4,100 masl. This observatory can detect gamma rays…

High Energy Astrophysical Phenomena · Physics 2025-09-04 J. Jaimes , T. Capistrán , I. Torres

In this paper we have introduced a novel method for gamma hadron separation in Imaging Atmospheric Cherenkov Telescopes (IACT) using Quantum Machine Learning. IACTs captures images of Extensive Air Showers (EAS) produced from very high…

Instrumentation and Methods for Astrophysics · Physics 2022-11-01 Jashwanth S , Sudeep Ghosh , Neha Shah , Kavitha Yogaraj , Ankhi Roy

We present a sophisticated likelihood reconstruction algorithm for shower-image analysis of imaging Cherenkov telescopes. The reconstruction algorithm is based on the comparison of the camera pixel amplitudes with the predictions from a…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 S. Vincent

Background showers triggered by hadrons represent over 99.9% of all particles arriving at ground-based gamma-ray observatories. An important stage in the data analysis of these observatories, therefore, is the removal of hadron-triggered…

High Energy Astrophysical Phenomena · Physics 2022-09-21 T. Capistrán , K. L. Fan , J. T. Linnemann , I. Torres , P. M. Saz Parkinson , P. L. H. Yu

In this paper we present a new method for ground based gamma ray astronomy based only on atmospheric Cherenkov light flux analysis. The Cherenkov light flux densities in extensive air showers (EAS) initiated by different primaries are…

Astrophysics · Physics 2009-11-10 A. Mishev , S. Mavrodiev , J. Stamenov

The precise reconstruction of properties of photons and electrons in modern high energy physics detectors, such as the CMS or Atlas experiments, plays a crucial role in numerous physics results. Conventional geometrical algorithms are used…

High Energy Physics - Experiment · Physics 2023-11-30 Polina Simkina , Fabrice Couderc , Julie Malclès , Mehmet Özgür Sahin

We present a sophisticated gamma-ray likelihood reconstruction technique for Imaging Atmospheric Cerenkov Telescopes. The technique is based on the comparison of the raw Cherenkov camera pixel images of a photon induced atmospheric particle…

Instrumentation and Methods for Astrophysics · Physics 2015-03-13 Mathieu de Naurois , Loic Rolland

The Cherenkov Telescope Array (CTA) will be the world's leading ground-based gamma-ray observatory allowing us to study very high energy phenomena in the Universe. CTA will produce huge data sets, of the order of petabytes, and the…

Instrumentation and Methods for Astrophysics · Physics 2018-10-02 S. Mangano , C. Delgado , M. Bernardos , M. Lallena , J. J. Rodríguez Vázquez

Gamma-ray astronomy from hundreds of GeV to PeV is confined to ground-based experiments that detect air showers induced by $\gamma$-rays entering Earth's atmosphere. While particle detector arrays feature huge detection areas, accurately…

Instrumentation and Methods for Astrophysics · Physics 2026-04-13 Markus Pirke , Youngwan Son , Jonas Glombitza , Martin Schneider , Ian James Watson , Christopher van Eldik

High-energy particles hitting the upper atmosphere of the Earth produce extensive air showers that can be detected from the ground level using imaging atmospheric Cherenkov telescopes. The images recorded by Cherenkov telescopes can be…

Instrumentation and Methods for Astrophysics · Physics 2022-11-24 Stanislav Polyakov , Alexander Kryukov , Andrey Demichev , Julia Dubenskaya , Elizaveta Gres , Anna Vlaskina

Imaging atmospheric Cherenkov telescopes (IACTs) detect gamma rays by measuring the Cherenkov light emitted by secondary particles in the air shower when the gamma rays hit the atmosphere. At low energies, the limited amount of Cherenkov…

The Imaging Atmospheric Cherenkov technique allows to detect very high energy gamma rays from few tens of GeV to hundreds of TeV using ground-based instrumentation. At these energies a gamma ray generates a shower of secondary particles…

Instrumentation and Methods for Astrophysics · Physics 2023-06-13 Juan Cortina , Carlos Delgado

It is generally assumed that fluorescence radiation does not play a significant role in the performance of Cherenkov telescopes. However, this assumption is required to be verified using detailed Monte Carlo simulations. In order to do…

Instrumentation and Methods for Astrophysics · Physics 2017-09-01 Daniel Morcuende , José Luis Contreras , Jaime Rosado , Lab Saha , Vitor de Souza

The proposed SCORE detector consists of a large array of light collecting modules designed to sample the Cherenkov light front of extensive air showers in order to detect high energy gamma-rays. A large spacing of the detector stations…

Instrumentation and Methods for Astrophysics · Physics 2009-09-04 Daniel Hampf , Martin Tluczykont , Dieter Horns

A dramatic progress in the field of computer vision has been made in recent years by applying deep learning techniques. State-of-the-art performance in image recognition is thereby reached with Convolutional Neural Networks (CNNs). CNNs are…

Instrumentation and Methods for Astrophysics · Physics 2019-03-07 Tim Lukas Holch , Idan Shilon , Matthias Büchele , Tobias Fischer , Stefan Funk , Nils Groeger , David Jankowsky , Thomas Lohse , Ullrich Schwanke , Philipp Wagner

The possibility to use Cherenkov light measurements with Cherenkov telescope to study atmospheric processes is shown. Cherenkov light from extensive air showers is obtained using Monte Carlo simulations with CORSIKA code. Different…

Atmospheric and Oceanic Physics · Physics 2009-10-12 A. Mishev

Water Cherenkov detectors offer a robust and economical solution for real-time radiation monitoring by detecting Cherenkov light from charged particles moving faster than light in water. This work presents a novel two-stage classification…

Instrumentation and Detectors · Physics 2026-01-27 Alejandro Núñez-Selin , Iván Sidelnik , Christian Sarmiento-Cano , Hernán Asorey , Luis A. Núñez

The Cherenkov Telescope Array (CTA) will be the next generation gamma-ray observatory and will be the major global instrument for very-high-energy astronomy over the next decade, offering 5 - 10 x better flux sensitivity than current…

Instrumentation and Methods for Astrophysics · Physics 2021-08-03 J. Aschersleben , R. F. Peletier , M. Vecchi , M. H. F. Wilkinson

Ground-based atmospheric Cherenkov telescopes are proven to be effective instruments for observations of very high energy (VHE) gamma-radiation from celestial objects. For effective use of such technique one needs detailed Monte Carlo…

Astrophysics · Physics 2009-10-31 A. Konopelko , A. Plyasheshnikov

Stereoscopic arrays of Imaging Atmospheric Cherenkov Telescopes allow to reconstruct gamma-ray-induced showers in 3 dimensions, which offers several advantages: direct access to the shower parameters in space and straightforward…

Instrumentation and Methods for Astrophysics · Physics 2011-06-08 M. Naumann-Godó , M. Lemoine-Goumard , B. Degrange
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