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A recently proposed novel technique for the detection of cosmic rays with arrays of Imaging Atmospheric Cherenkov Telescopes is applied to data from the High Energy Stereoscopic System (H.E.S.S.). The method relies on the ground based…

Astrophysics · Physics 2008-11-26 HESS Collaboration , F. A. Aharonian

Cosmic electrons, positrons, protons, and antiprotons carry essential information about both astrophysical processes and fundamental physics. Charged particles provide signatures of dark matter annihilation or decay, \emph{in situ} in the…

High Energy Astrophysical Phenomena · Physics 2013-05-02 J. Vandenbroucke , B. Humensky , J. Holder , R. A. Ong

The study of the anisotropy of the arrival directions is an essential tool to investigate the origin and propagation of cosmic rays primaries. A simple way of recording many cosmic rays is to record coincidences between a number of…

Astrophysics · Physics 2008-12-18 F. Sheidaei , M. Bahmanabadi , A. Keivani , M. Khakian Ghomi , J. Samimi , A. Shadkam

This report presents a draft of a new detector designed to determine the chemical composition of primary cosmic rays based on the characteristics of the angular distribution of Cherenkov light from EAS. The installation, consisting of…

The lateral distribution of Cherenkov light at ground level records important information on the development of the cosmic ray air shower which produces it. We have constructed an array of 144 non-imaging Cherenkov detectors at the CASA-MIA…

Astrophysics · Physics 2007-05-23 M. Cassidy , L. F. Fortson , J. W. Fowler , R. A. Ong , C. H. Jui , D. B. Kieda , E. C. Loh , P. Sommers

The atmosphere is an intrinsic part of any ground based Cherenkov gamma-ray telescope, and the telescope response is therefore sensitive to unpredictable changes in the atmospheric transparency which are difficult to measure and interpret…

Astrophysics · Physics 2009-11-07 S. LeBohec , J. Holder

The Cherenkov Telescope Array (CTA) will be the next generation of ground based gamma-ray telescopes allowing us to study very high energy phenomena in the Universe. CTA aims to gain about a factor of ten in sensitivity compared to current…

High Energy Astrophysical Phenomena · Physics 2017-05-23 S. Mangano

TORCH is a time-of-flight detector concept using Cherenkov light to provide charged particle identification up to 10 GeV/c. The concept and design are described and performance in simulation is quantified.

Instrumentation and Detectors · Physics 2019-08-13 M. J. Charles , R. Forty

A new project is developed with the implementation of a relatively new method of studying the primary cosmic ray -- the registration of extensive air showers' optical Vavilov-Cherenkov radiation (Cherenkov light) reflected from the snow…

Instrumentation and Methods for Astrophysics · Physics 2020-12-30 D. Chernov , E. Bonvech , M. Finger , M. Finger , V. Galkin , V. Ivanov , D. Podgrudkov , T. Roganova , I. Vaiman

Gamma-rays provide a powerful insight into the non-thermal universe and perhaps a unique probe for new physics beyond the standard model. Current experiments are already giving results in the physics of acceleration of cosmic rays in…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Michele Doro

Cosmic ray detectors use air as a radiator for luminescence. In water and ice, Cherenkov light is the dominant light producing mechanism when the particle's velocity exceeds the Cherenkov threshold, approximately three quarters of the speed…

Instrumentation and Methods for Astrophysics · Physics 2016-10-21 Anna Obertacke Pollmann

Cherenkov imaging detectors will continue to play a central role for particle identification in future particle and nuclear physics experiments. Growing demands on momentum coverage, timing precision, radiation tolerance, and sustainability…

Instrumentation and Detectors · Physics 2026-03-27 Chandradoy Chatterjee

Using aerogel as radiator and multianode PMTs for photon detection, a proximity focusing Cherenkov ring imaging detector has been constructed and tested in the KEK $\pi$2 beam. The aim is to experimentally study the basic parameters such as…

High Energy Physics - Experiment · Physics 2009-01-09 I. Adachi , I. Bizjak , A. Gorisek , T. Iijima , M. Iwamoto , S. Korpar , P. Krizan , R. Pestotnik , M. Staric , A. Stanovnik , T. Sumiyoshi , K. Suzuki , T. Tabata

The excess of positrons in cosmic rays above $\sim$10 GeV has been a puzzle since it was discovered. Possible interpretations of the excess have been suggested, including acceleration in a local supernova remnant or annihilation of dark…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Justin Vandenbroucke , Peter Karn , Matthew Wood , Pierre Colin

The most sensitive method for detecting neutrinos at the very highest energies is the lunar Cherenkov technique, which employs the Moon as a target volume, using conventional radio telescopes to monitor it for nanosecond-scale pulses of…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 J. D. Bray , R. D. Ekers , C. W. James , P. Roberts , A. Brown , C. J. Phillips , R. J. Protheroe , J. E. Reynolds , R. A. McFadden , M. Aartsen

The last 20 years have seen the development of new techniques in Astroparticle Physics providing access to the highest end of the electromagnetic spectrum. It has been shown that some sources emit photons up to energies close to 100 TeV.…

High Energy Astrophysical Phenomena · Physics 2015-08-04 J. L. Contreras , J. Rosado , F. Arqueros , M. López , J. A. Barrio , M. Nievas

A general purpose instrument for imaging of Cherenkov light or fluorescence light emitted by extensive air showers is presented. Its refractive optics allows for a compact and light-weight design with a wide field-of-view of 12{\deg}. The…

Instrumentation and Methods for Astrophysics · Physics 2018-08-15 T. Bretz , T. Hebbeker , J. Kemp , L. Middendorf , T. Niggemann , C. Peters , M. Schaufel , J. Schumacher , J. Auffenberg , C. Wiebusch

The performance of a prototype Ring Imaging Cherenkov Detector is studied using a charged particle beam. The detector performance, using CF4 and air as radiators, is described. Cherenkov angle precision and photoelectron yield using hybrid…

This article describes the design, assembly and characterization of a portable cosmic ray detector, developed by the INSULAB group and suitable for teaching activities aimed at high school students. It consists of a compact aluminum…

Recent advances in engineered material technologies (e.g., photonic crystals, metamaterials, plasmonics, etc) provide valuable tools to control Cherenkov radiation. In all these approaches, however, the designed materials interact only with…

Optics · Physics 2022-08-09 Hao Hu , Xiao Lin , Liang Jie Wong , Qianru Yang , Baile Zhang , Yu Luo