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Future experiments based on the observation of Earth's atmosphere from sub-orbital and orbital altitudes plan to include optical Cherenkov cameras to observe extensive air showers produced by high-energy cosmic radiation via its interaction…

Instrumentation and Methods for Astrophysics · Physics 2021-09-22 Austin Cummings , Roberto Aloisio , Johannes Eser , John Krizmanic

The details of Cerenkov light produced by a gamma ray or a cosmic ray incident at the top of the atmosphere is best studied through systematic simulations of the extensive air showers. Recently such studies have become all the more…

Astrophysics · Physics 2009-10-30 V. R. Chitnis , P. N. Bhat

The paper describes the design and performance of flux integrating Cherenkov scanners with air-core reflecting light guides used in a high-energy, high-flux electron scattering experiment at the Stanford Linear Accelerator Center. The…

Entangled photons provide transformative new paths in the fields of communication, sensing, and computing. However, when entangled photons propagate through a complex medium such as a biological tissue or a turbulent atmosphere, their…

Quantum Physics · Physics 2024-08-30 Ronen Shekel , Ohad Lib , Yaron Bromberg

We study phenomena predicted by a renormalizable, CPT invariant extension of the Standard Model that contains higher-dimensional operators and violates Lorentz symmetry explicitly at energies greater than some scale Lambda_{L}. In…

High Energy Physics - Phenomenology · Physics 2011-03-21 Damiano Anselmi , Martina Taiuti

A wide field-of-view Cherenkov telescope has been working in the surroundings of the Yakutsk array experiment since 2012. Its main function is to measure the waveform of the Cherenkov radiation signal induced by extensive air showers of…

Instrumentation and Methods for Astrophysics · Physics 2022-03-01 A. A. Ivanov , S. V. Matarkin , L. V. Timofeev

Imaging Atmospheric Cherenkov Telescopes (IACTs) have resulted in a breakthrough in very-high energy (VHE) gamma-ray astrophysics. While early IACT installations faced the problem of detecting any sources at all, current instruments are…

Astrophysics · Physics 2009-11-19 Konrad Bernlohr

High energy particles traversing the Universe through the cosmic microwave backgroung radiation can, in principle, emit Cherenkov radiation. It is shown that the energy threshold for this radiation is extremely high and its intensity would…

Astrophysics · Physics 2016-08-30 I. M. Dremin

Although the Cherenkov light contains mostly short-wavelength components, it is beneficial in the aspect of imaging to visualize it in the second near-infrared (NIR-II) window. In this study, Cherenkov imaging was performed within the…

Medical Physics · Physics 2019-09-04 Xiangxi Meng , Yi Du , Ziyuan Li , Sihao Zhu , Hao Wu , Changhui Li , Weiqiang Chen , Shuming Nie , Qiushi Ren , Yanye Lu

An exact solution has been found for the problem of diffraction radiation appearing when a charged particle moves perpendicularly to a thin finite screen having arbitrary conductivity and frequency dispersion. Expressions describing the…

Optics · Physics 2011-10-21 D. V. Karlovets , A. P. Potylitsyn

A new method for energy and mass composition estimation of primary cosmic ray radiation based on atmospheric Cerenkov light flux in extensive air showers (EAS) analysis is proposed. The Cerenkov light flux in EAS initiated by primary…

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

Due to its angular dependency, Cerenkov light has long been considered a contamination signal in plastic scintillating dosimeters. In this study, we propose a novel approach designed to take advantage of this angular dependency to perform a…

Medical Physics · Physics 2022-03-17 Emilie Jean , Simon Lambert-Girard , Francois Therriault-Proulx , Luc Beaulieu

It is well-known that a charged particle moving with constant velocity in vacuum does not radiate. In a medium the situation can be different. If the so called Cherenkov condition is satisfied, i.e. the particle velocity exceeds the phase…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Marklund , G. Brodin , L. Stenflo , P. K. Shukla

The Cherenkov effect is a well known phenomenon in the electrodynamics of fast charged particles passing through transparent media. If the particle is faster than the light in a given medium, the medium emits a forward light cone. This…

Mesoscale and Nanoscale Physics · Physics 2011-02-18 Sergey Smirnov

Cascades of charged particles are created when high-energy cosmic rays enter the earth's atmosphere: these 'extensive air-showers' are studied to gain information on the energy spectrum, arrival direction distribution and mass composition…

History and Philosophy of Physics · Physics 2015-05-27 A A Watson

Atmospheric Cherenkov telescopes rely on the Earth's atmosphere as part of the detector. The presence of clouds affects observations and can introduce biases if not corrected for. Correction methods typically require an atmospheric profile,…

Instrumentation and Methods for Astrophysics · Physics 2024-04-03 Julian Sitarek , Mario Pecimotika , Natalia Żywucka , Dorota Sobczyńska , Abelardo Moralejo , Dario Hrupec

A fundamental comparison between undulator and ion channel radiation is presented. Conventional theory for both devices fails to describe high $k$ and $K/\gamma$ regimes accurately, providing an underestimation of particle trajectory…

Accelerator Physics · Physics 2024-09-04 A. Frazzitta , M. Yadav , J. Mann , A. R. Rossi , J. B. Rosenzweig

We propose a new way to observe cosmic-ray-induced air showers by imaging the radio emission. With simulations we demonstrate key features for imaging the radio-wave emission from air showers, which show similarities to the well-established…

High Energy Astrophysical Phenomena · Physics 2026-05-18 Juan Ammerman-Yebra , Harm Schoorlemmer , Anne Timmermans , Sebastian Achim Mueller

Imaging atmospheric Cherenkov telescope (IACT) arrays record images from air showers initiated by gamma rays entering the atmosphere, allowing astrophysical sources to be observed at very high energies. To maximize IACT sensitivity,…

Instrumentation and Methods for Astrophysics · Physics 2020-01-13 Aryeh Brill , Qi Feng , T. Brian Humensky , Bryan Kim , Daniel Nieto , Tjark Miener

In this paper we investigate the radiation emitted by a charged particle moving along a helical orbit around a dielectric cylinder immersed into a homogeneous medium. Formulae are derived for the electromagnetic potentials, electric and…

High Energy Physics - Theory · Physics 2009-03-19 A. A. Saharian , A. S. Kotanjyan
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