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The Large High Altitude Air Shower Observatory is in the R&D phase, in which the Water Cherenkov Detector Array is an important part. The signals of Photo-Multiplier Tubes would vary from single photo electron to 4000 photo electrons, and…

Instrumentation and Detectors · Physics 2019-07-09 Lei Zhao , Weihao Wu , Jianfeng Liu , Yu Liang , Jiajun Qin , Li Yu , Shubin Liu , Qi An

The current generation of Imaging Atmospheric Cherenkov telescopes are allowing the sky to be probed with greater sensitivity than ever before in the energy range around and above 100 GeV. To minimise the systematic errors on derived fluxes…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Sam Nolan , Gerd Puehlhofer , Cameron Rulten

Using Monte Carlo simulation of extensive air showers, we showed that the maximum depth of showers, $X_{max}$ can be estimated using $P=Q(100)/Q(200)$, the ratio of Cherenkov photon densities at 100 and 200 meters from the shower core,…

Instrumentation and Methods for Astrophysics · Physics 2021-06-07 Rasekh Ibrahim , Purmohammad Davoud

The pointing system of the prototype of the Large Size Telescope (LST-1) for the Cherenkov Telescope Array observatory, should ensure mapping of the gamma-ray image of a point-like source in the Cherenkov camera to the sky coordinates with…

Instrumentation and Methods for Astrophysics · Physics 2019-08-06 Darko Zarić , Stefan Cikota , Armand Fiasson , Nikola Godinović , Koji Noda , Robert Wagner , Martin Will , Quentin Piel

Cherenkov detectors employ various methods to maximize light collection at the photomultiplier tubes (PMTs). These generally involve the use of highly reflective materials lining the interior of the detector, reflective materials around the…

Instrumentation and Detectors · Physics 2015-05-30 M. Sweany , A. Bernstein , S. Dazeley , J. Dunmore , J. Felde , R. Svoboda , M. Tripathi

Purpose: The expansion of radiopharmaceutical therapy (RPT) development demands scalable preclinical dosimetry methods. While PET and SPECT remain the gold standards, their low throughput and high cost limit large-cohort studies. Cherenkov…

VERITAS employs a 12m segmented mirror and pixellated photomultiplier tube camera to detect the brief pulse of Cherenkov radiation produced by the extensive air shower initiated by a cosmic high-energy gamma ray. The VERITAS data…

Astrophysics · Physics 2019-08-13 P. Cogan

Recent studies have proposed that adding quinine to water while performing Cherenkov volumetric dosimetry improves the skewed percent depth dose measurement. The aim of this study was to quantify the ability of quinine to convert…

Medical Physics · Physics 2021-03-23 Emilie Jean , Marie-Eve Delage , Luc Beaulieu

Improving the coincidence time resolution (CTR) of time-of-flight positron emission tomography (TOF-PET) systems to achieve a higher signal-to-noise ratio (SNR) gain or even direct positron emission imaging (dPEI) is of paramount importance…

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

This manuscript describes measurements of water-based liquid scintillators (WbLS), demonstrating separation of the Cherenkov and scintillation components using the fast timing response of a Large Area Picosecond Photodector (LAPPD).…

Instrumentation and Detectors · Physics 2022-03-03 T. Kaptanoglu , E. J. Callaghan , M. Yeh , G. D. Orebi Gann

Cherenkov Telescopes are equipped with optical dishes of large diameter -- in general based on segmented mirrors -- with typical angular resolution of a few arc-minutes. To evaluate the mirror's quality specific metrological systems are…

Instrumentation and Methods for Astrophysics · Physics 2016-01-11 Rodolfo Canestrari , Enrico Giro , Giacomo Bonnoli , Giancarlo Farisato , Luigi Lessio , Gabriele Rodeghiero , Rossella Spiga , Giorgio Toso , Giovanni Pareschi

In the framework of the development of the SWGO experiment we have performed a detailed study of the single unit of an extensive air shower observatory based on an array of water Cherenkov detectors. Indeed, one of the possible water…

Instrumentation and Methods for Astrophysics · Physics 2022-05-05 Francesca Bisconti , Andrea Chiavassa

Precise knowledge of all beam parameters is crucial to fully exploit the physics potential of the International Linear Collider (ILC). A sufficiently accurate measurement of the beam polarisation can only be achieved using dedicated high…

Instrumentation and Detectors · Physics 2010-06-29 Christoph Bartels , Anthony Hartin , Christian Helebrant , Daniela Käfer , Jenny List

High precision polarization measurements open new opportunities for the study of the magnetic field structure as traced by polarimetric measurements of the interstellar dust emission. Polarization parameters suffer from bias in the presence…

Astrophysics of Galaxies · Physics 2017-03-15 D. Alina , L. Montier , I. Ristorcelli , J. -P. Bernard , F. Levrier , E. Abdikamalov

The polarimetry of the light scattered by planetary surfaces is a powerful tool to provide constraints on their microstructure. To improve the interpretation of polarimetric data from icy surfaces, we have developed the POLarimeter for ICE…

Earth and Planetary Astrophysics · Physics 2018-09-25 Olivier Poch , Romain Cerubini , Antoine Pommerol , Bernhard Jost , Nicolas Thomas

The possibility to use Cherenkov light measurements with Cherenkov telescope to study atmospheric processes is shown. Cherenkov light from extensive air showers is obtained using Monte Carlo simulations with CORSIKA code. Different…

Atmospheric and Oceanic Physics · Physics 2009-10-12 A. Mishev

This paper describes the design and construction of a Cherenkov detector conceived with regard to high energy Compton polarimeters for the International Linear Collider, where beam diagnostic systems of unprecedented precision must…

Instrumentation and Detectors · Physics 2015-05-20 Christoph Bartels , Joachim Ebert , Anthony Hartin , Christian Helebrant , Daniela Käfer , Jenny List

Large-scale underground water-Cherenkov neutrino observatories rely on single photon sensors whose sensitive area for Cherenkov photons one wants to maximise. Low dark noise rates and dense module spacing will thereby allow to substantially…

Instrumentation and Methods for Astrophysics · Physics 2013-07-26 Lukas Schulte , Markus Voge , Akos Hoffmann , Sebastian Böser , Lutz Köpke , Marek Kowalski

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