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We study the angular distribution of the radiation from a relativistic charged particle uniformly rotating along an equatorial orbit around a dielectric ball. Earlier it was shown that for some values of the problem parameters and in the…

High angular resolution observations at optical wavelengths provide valuable insights in stellar astrophysics, directly measuring fundamental stellar parameters, and probing stellar atmospheres, circumstellar disks, elongation of rapidly…

The hunt for cosmic TeV particle accelerators is prospering through Imaging Atmospheric Cerenkov Telescopes. We face challenges such as low light levels and MHz trigger rates, and the need to distinguish between particle air showers…

Astrophysics · Physics 2007-05-23 S. M. Bradbury

The electric field of the Cherenkov radio pulse produced by a single charged particle track in a dielectric medium is derived from first principles. An algorithm is developed to obtain the pulse in the time domain for numerical…

High Energy Astrophysical Phenomena · Physics 2014-11-20 Jaime Alvarez-Muniz , Andres Romero-Wolf , Enrique Zas

To identify $\pi^{\pm}$ and $K^{\pm}$ in the region of $1.0\sim 2.5$ GeV/c, a threshold Cherenkov counter equipped with silica aerogels has been investigated. Silica aerogels with a low refractive index of 1.013 have been successfully…

High Energy Physics - Experiment · Physics 2009-10-22 I. Adachi et al

The IceCube Neutrino Observatory detects GeV-to-PeV+ neutrinos via the Cherenkov light produced by secondary charged particles from neutrino interactions with the South Pole ice. The detector consists of over 5000 spherical Digital Optical…

Instrumentation and Methods for Astrophysics · Physics 2023-07-19 Tianlu Yuan

Large-volume water-Cherenkov neutrino detectors are a light-starved environment, as each interaction produces only $\sim 50-100$ photons per MeV. As such, maximizing the light collection efficiency of the detector is vital to performance.…

Instrumentation and Detectors · Physics 2022-07-27 Austin Mullen , Oluwatomi Akindele , Marc Bergevin , Adam Bernstein , Steven Dazeley

The particle composition of the T10 beam line in the renovated East Hall at CERN has been measured using several experimental techniques and detectors: pressure scans on a threshold Cherenkov counter, a lead-glass calorimeter,…

Cherenkov light lateral distribution function (CLLDF) in Extensive Air Showers (EAS) for different primary particles (e-, n , p, F, K and Fe) was simulated using CORSIKA code for conditions and configurations of Yakutsk EAS array with the…

High Energy Astrophysical Phenomena · Physics 2016-12-28 Marwah M. Abdulsttar , A. A. Al-Rubaiee , Abdul Halim Kh. Ali

We describe a dedicated cosmic-ray telescope that explores a new method for detecting Cerenkov radiation from high-energy primary cosmic rays and the large particle air shower they induce upon entering the atmosphere. Using a camera…

Instrumentation and Methods for Astrophysics · Physics 2011-07-19 S. A. Wissel , K. Byrum , J. D. Cunningham , G. Drake , E. Hays , D. Horan , D. Kieda , E. Kovacs , S. Magill , L. Nodulman , S. P. Swordy , R. Wagner , S. P. Wakely

The CERN-NA-59 experiment examined a wide range of electromagnetic processes for multi-GeV electrons and photons interacting with oriented single crystals. The various types of crystals and their orientations were used for producing photon…

Searches for annihilating dark matter are often designed with a specific dark matter candidate in mind. However, the space of potential dark matter models is vast, which raises the question: how can we search for dark matter without making…

High Energy Astrophysical Phenomena · Physics 2025-09-04 Liam Pinchbeck , Csaba Balazs , Eric Thrane

Cathodoluminescence has attracted interest in scanning transmission electron microscopy since the advent of commercial available detection systems with high efficiency, like the Gatan Vulcan or the Attolight M\"onch system. In this work we…

We have estimated the reflected component of Cherenkov radiation, which arises in developing of an extensive air shower with primary energy of 10^20 eV over the ocean surface. It has been shown that, under conditions of the TUS experiment,…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 O. P. Shustova , N. N. Kalmykov , B. A. Khrenov

Large liquid-scintillator-based detectors have proven to be exceptionally effective for low energy neutrino measurements due to their good energy resolution and scalability to large volumes. The addition of directional information using…

Instrumentation and Detectors · Physics 2015-06-16 C. Aberle , A. Elagin , H. J. Frisch , M. Wetstein , L. Winslow

The photon density on the ground is a fundamental quantity in all experiments based on Cherenkov light measurements, e.g. in the Imaging Air Cherenkov Telescopes (IACT). IACT's are commonly and successfully used in order to search and study…

Instrumentation and Methods for Astrophysics · Physics 2014-11-18 Dorota Sobczynska

Due to their very fast signal rise time in the order of 1 ns, Silicon-Photomultipliers have become of increasing interest for many experiments that require very good timing resolution. With the prospect of an application in medical imaging…

Instrumentation and Detectors · Physics 2019-05-01 Reimund Bayerlein , Ivor Fleck , Todd Peterson , Albert H. Walenta

You & Cheng (1980) argued that, for relativistic electrons moving through a dense gas, the Cerenkov effect will produce peculiar atomic and/or molecular emission lines--Cerenkov lines. They presented a series of formulae to describe the new…

Astrophysics · Physics 2007-05-23 J. H. You , Y. D. Xu , D. B. Liu , J. R. Shi , G. X. Jin

Intergalactic space is believed to contain non-zero magnetic fields (the Intergalactic Magnetic Field: IGMF) which at scales of Mpc would have intensities below $10^{-9}$ G. Very high energy (VHE $>$100 GeV) gamma rays coming from blazars…

High Energy Astrophysical Phenomena · Physics 2018-12-19 M. Fernández Alonso , A. D. Supanitsky , A. C. Rovero

The Alpha Magnetic Spectrometer (AMS) experiment to be installed on the International Space Station (ISS) will be equipped with a proximity focusing Ring Imaging Cherenkov (RICH) detector for measuring the electric charge and velocity of…

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