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We present an analysis technique that uses the timing information of Cherenkov images from extensive air showers (EAS). Our emphasis is on distant, or large core distance gamma-ray induced showers at multi-TeV energies. Specifically,…

Instrumentation and Methods for Astrophysics · Physics 2011-05-03 V. Stamatescu , G. P. Rowell , J. Denman , R. W. Clay , B. R. Dawson , A. G. K. Smith , T. Sudholz , G. J. Thornton , N. Wild

The Cherenkov Telescopes Array (CTA) is planned as the future instrument for very-high-energy (VHE) gamma-ray astronomy with a wide energy range of four orders of magnitude and an improvement in sensitivity compared to current instruments…

A Monte-Carlo study is presented using ground based measurements of the electromagnetic part of showers initiated in the atmosphere by high energetic cosmic rays to reconstruct energy and mass of primary particles with energies above 300…

Astrophysics · Physics 2011-04-15 A. Lindner

Ground-based composition measurements of high-energy cosmic rays can be significantly improved by using the direct Cherenkov method. This technique targets the Cherenkov light produced by the primary particle prior to its production of an…

Astrophysics · Physics 2019-08-13 S. A. Wissel

Cosmic ray electrons represent a background for gamma-ray observations with Cherenkov telescopes, initiating air-showers which are difficult to distinguish from photon-initiated showers. This similarity, however, and the presence of cosmic…

High Energy Astrophysical Phenomena · Physics 2016-08-16 R. D. Parsons , J. A. Hinton , H. Schoorlemmer

The Cherenkov Telescope Array (CTA) will consist of two arrays of Imaging Atmospheric Cherenkov Telescopes (IACTs) at the northern and southern hemispheres. CTA will feature IACTs with mirrors of three different sizes optimized to cover…

Instrumentation and Methods for Astrophysics · Physics 2019-07-25 Juan Cortina

Very high energy gamma-ray astronomy based on the measurement of air shower particles at ground-level has only recently been established as a viable approach, complementing the well established air Cherenkov technique. This approach…

High Energy Astrophysical Phenomena · Physics 2019-06-26 Harm Schoorlemmer , Jim Hinton , Rubén López-Coto

For the current generation of Imaging Atmospheric Cherenkov Telescopes (IACTs), with their large mirrors and their cameras with fine segmentation of photodetectors, the focusing capability is a relevant issue. The optical system of an IACT…

High Energy Astrophysical Phenomena · Physics 2019-08-14 C. Trichard , A. Fiasson , G. Maurin , G. Lamanna

The Cherenkov Telescope Array (CTA) consortium aims to create the next generation Very High Energy gamma-ray observatory. It will be devoted to the observation of gamma rays over a wide band of energy, from 20 GeV to 300 TeV. Three…

Instrumentation and Methods for Astrophysics · Physics 2015-08-27 Jean-Laurent Dournaux , Jean-Michel Huet , Delphine Dumas , Jean-Philippe Amans , Gilles Fasola , Philippe Laporte , Jean-Jacques Bousquet , Hélène Sol

The Cherenkov Telescope Array (CTA) is an international initiative to build the next generation ground based very-high energy gamma-ray observatory. It will consist of telescopes of three different sizes, employing several different…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 A. Bonardi , T. Buanes , P. Chadwick , F. Dazzi , A. Förster , J. R. Hörandel , M. Punch , R. M. Wagner

A simple 3D-reconstruction method for gamma-ray induced air showers is presented, which takes full advantage of the assets of a system of Atmospheric Cherenkov Telescopes combining stereoscopy and fine-grain imaging like the High Energy…

Astrophysics · Physics 2009-11-11 M. Lemoine-Goumard , B. Degrange , M. Tluczykont

The Cherenkov Telescope Array (CTA) is a future very high energy gamma-ray observatory. CTA will be comprised of small-, medium- and large-size telescopes covering an energy range from tens of GeV to hundreds of TeV and will surpass…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 T. Jogler , M. D. Wood , J. Dumm

The Next-Generation Atmospheric Cherenkov Telescope Array (NG-ACTA) is proposed as a prospective infrastructure for very high energy (VHE) gamma-ray astronomy, consisting of a mixed-aperture array of 88 telescopes with a maximum array…

High Energy Astrophysical Phenomena · Physics 2026-03-23 Jiancheng Wang , Jirong Mao

Gamma-ray astronomy holds a great potential for Astrophysics, Particle Physics and Cosmology. The CTA is an inter- national initiative to build the next generation of ground-based gamma-ray observatories, which will represent a factor of…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Ulisses Barres de Almeida

Two of the Key Science Projects of the Cherenkov Telescope Array (CTA) consist in performing a deep survey of the Galactic and Extragalactic sky, providing an unbiased view of the Universe at energies above tens of GeV. To optimize the time…

Instrumentation and Methods for Astrophysics · Physics 2019-07-19 A. Donini , T. Gasparetto , J. Bregeon , F. Di Pierro , F. Longo , G. Maier , A. Moralejo , T. Vuillaume

The two arrays of the Very High Energy gamma-ray observatory Cherenkov Telescope Array (CTA) will include four Large Size Telescopes (LSTs) each with a 23 m diameter dish and 28 m focal distance. These telescopes will enable CTA to achieve…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 G. Ambrosi , Y. Awane , H. Baba , A. Bamba , M. Barceló , U. Barres de Almeida , J. A. Barrio , O. Blanch Bigas , J. Boix , L. Brunetti , E. Carmona , E. Chabanne , M. Chikawa , P. Colin , J. L. Conteras , J. Cortina , F. Dazzi , A. Deangelis , G. Deleglise , C. Delgado , C. Díaz , F. Dubois , A. Fiasson , D. Fink , N. Fouque , L. Freixas , C. Fruck , A. Gadola , R. García , D. Gascon , N. Geffroy , N. Giglietto , F. Giordano , F. Grañena , S. Gunji , R. Hagiwara , N. Hamer , Y. Hanabata , T. Hassan , K. Hatanaka , T. Haubold , M. Hayashida , R. Hermel , D. Herranz , K. Hirotani , S. Inoue , Y. Inoue , K. Ioka , C. Jablonski , M. Kagaya , H. Katagiri , T. Kishimoto , K. Kodani , K. Kohri , Y. Konno , S. Koyama , H. Kubo , J. Kushida , G. Lamanna , T. Le Flour , M. López-Moya , R. López , E. Lorenz , P. Majumdar , A. Manalaysay , M. Mariotti , G. Martínez , M. Martínez , D. Mazin , J. M. Miranda , R. Mirzoyan , I. Monteiro , A. Moralejo , K. Murase , S. Nagataki , D. Nakajima , T. Nakamori , K. Nishijima , K. Noda , A. Nozato , Y. Ohira , M. Ohishi , H. Ohoka , A. Okumura , R. Orito , J. L. Panazol , D. Paneque , R. Paoletti , J. M. Paredes , G. Pauletta , S. Podkladkin , J. Prast , R. Rando , O. Reimann , M. Ribó , S. Rosier-Lees , K. Saito , T. Saito , Y. Saito , N. Sakaki , R. Sakonaka , A. Sanuy , H. Sasaki , M. Sawada , V. Scalzotto , S. Schultz , T. Schweizer , T. Shibata , S. Shu , J. Sieiro , V. Stamatescu , S. Steiner , U. Straumann , R. Sugawara , H. Tajima , H. Takami , S. Tanaka , M. Tanaka , L. A. Tejedor , Y. Terada , M. Teshima , T. Totani , H. Ueno , K. Umehara , A. Vollhardt , R. Wagner , H. Wetteskind , T. Yamamoto , R. Yamazaki , A. Yoshida , T. Yoshida , T. Yoshikoshi

The aim of the Yakutsk array enhancement project is to create an instrument to study the highest-energy galactic cosmic rays (CRs) -- their sources, energy spectrum, and mass composition. Additionally, there will be unique capabilities for…

Instrumentation and Methods for Astrophysics · Physics 2010-12-24 A. A. Ivanov , S. P. Knurenko , Z. E. Petrov , M. I. Pravdin , I. Ye. Sleptsov

The Cherenkov Telescope Array (CTA) is a ground-based $\gamma$-ray observatory that will observe the full sky in the energy range from 20 GeV to 100 TeV from facilities in both hemispheres. It is proposed to consist of more than 100…

Instrumentation and Methods for Astrophysics · Physics 2015-09-08 Ramin Marx , Raquel de los Reyes

Cherenkov telescopes play a major role in the growth of the TeV Astronomy which, in 20 years, has reached the status of an important branch of Astrophysics, because of the observations of the violent, non thermal processes in the extreme…

High Energy Astrophysical Phenomena · Physics 2010-10-19 B. Sacco , S. Vercellone

Observations with the current generation of very-high-energy gamma-ray telescopes have revealed an astonishing variety of particle accelerators in the Milky Way, such as supernova remnants, pulsar wind nebulae, and binary systems. The…

Instrumentation and Methods for Astrophysics · Physics 2021-09-09 Q. Remy , L. Tibaldo , F. Acero , M. Fiori , J. Knödlseder , B. Olmi , P. Sharma