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This study introduces a novel hybrid Cerenkov-scintillation dosimeter which is intended to be used for irradiation angle measurements based on the Cerenkov angular dependency. First measurements aimed at validating the ability to account…

Medical Physics · Physics 2022-01-27 Emilie Jean , Simon Lambert-Girard , Francois Therriault-Proulx , Luc Beaulieu

Objective: This study aimed at investigating through Monte Carlo simulations the limitations of a novel hybrid Cerenkov-scintillation detector and the associated method for irradiation angle measurements. Approach: Using Monte Carlo…

Medical Physics · Physics 2022-12-28 Emilie Jean , Simon Lambert-Girard , Francois Therriault-Proulx , Luc Beaulieu

Purpose: Cherenkov radiation carries the potential of direct in-water dose measurements, but its precision is currently limited by a strong anisotropy. Taking advantage of polarization imaging, this work proposes a new approach for high…

Medical Physics · Physics 2022-10-12 Emily Cloutier , Louis Archambault , Luc Beaulieu

An experiment investigating the angle of Cerenkov light emitted by 3-MeV electrons traversing an acrylic detector has been developed for use in the advanced physics laboratory course at the University of Rochester. In addition to exploring…

Physics Education · Physics 2009-06-02 B. Porter , P. Auchincloss , P. de Barbaro , A. Bodek , H. Budd

We revisit the theory of Cherenkov radiation in uniaxial crystals. Historically, a number of flawed attempts have been made at explaining this radiation phenomenon and a consistent error-free description is nowhere available. We apply our…

High Energy Physics - Phenomenology · Physics 2016-03-23 R. E. Mikkelsen , T. Poulsen , U. I. Uggerhøj , S. R. Klein

Radiation generated by a charge moving through a vacuum channel in a dielectric cone is analyzed. It is assumed that the charge moves through the cone from the apex side to the base side (the case of "inverted" cone). The cone size is…

Accelerator Physics · Physics 2020-11-25 Andrey V. Tyukhtin , Sergey N. Galyamin , Viktor V. Vorobev , Aleksandra A. Grigoreva

The accurate determination of the elemental composition of cosmic rays at high energies is expected to provide crucial clues on the origin of these particles. Previous direct measurements of composition have been limited by experiment…

Astrophysics · Physics 2011-05-23 D. B. Kieda , S. P. Swordy , S. P. Wakely

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

Cherenkov radiation provides a valuable way to identify high energy particles in a wide momentum range, through the relation between the particle velocity and the Cherenkov angle. However, since the Cherenkov angle depends only on…

A new method of a primary cosmic particle energy measurement with the extensive air shower (EAS) technique has been developed by exploiting: a) the joint analysis of the shower size, obtained by the EAS-TOP array, and of the EAS Cherenkov…

Astrophysics · Physics 2007-05-23 E. E. Korosteleva , L. A. Kuzmichev , V. V. Prosin , EAS-TOP COLLABORATION

A new primary mass independent method of energy measurement has been developed by exploiting: a) the joint analysis of the shower size, obtained by EAS-TOP, and of the EAS atmospheric Cherenkov light lateral distribution, obtained by the…

Astrophysics · Physics 2009-11-10 E. Korosteleva , L. Kuzmichev , V. Prosin , B. Lubsandorzhiev , Eas-Top Collaboration

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

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…

This work summarizes the results presented at 29th International Cosmic Ray Conference in Pune India. Generally the aim of this work is to obtain the lateral distribution of the atmospheric Cherenkov light in extensive air showers produced…

Astrophysics · Physics 2007-05-23 Alexander Mishev , Strashimir Mavrodiev , Jordan Stamenov

The Cherenkov effect enables a valuable tool, known as the Cherenkov detector, to identify high-energy particles via the measurement of the Cherenkov cone. However, the sensitivity and momentum coverage of such detectors are intrinsically…

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

A Cherenkov detector based on an array of five lead fluoride ($\beta$-PbF$_2$) crystals of size 30 mm$\times$30 mm$\times$160 mm read out by reverse-type avalanche photodiodes (APD's) of active area 10 mm$\times$10 mm was used to measure…

Instrumentation and Detectors · Physics 2019-11-07 Y. Murakami , H. Aghai-Khozani , M. Hori

We measured a considerable increase of the emitted radiation by 120 GeV/c electrons in an axially oriented lead tungstate scintillator crystal, if compared to the case in which the sample was not aligned with the beam direction. This…

A ring-imaging \v{C}erenkov counter read out by a 100-channel PMT of active area 10$\times$10 cm$^2$ was operated successfully in a test beam at the BNL AGS with several radiator gases, including the heavy fluorocarbon C$_4$F$_{10}$. Ring…

High Energy Physics - Experiment · Physics 2010-11-01 R. Debbe , S. Gushue , B. Moskowitz , J. Norris , J. Olness , F. Videbaek

The UA9 Experiment at CERN-SPS investigates channeling processes in bent silicon crystals with the aim to manipulate hadron beams. Monitoring and characterization of channeled beams in the high energy accelerators environment ideally…

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