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Related papers: First Results from the BELLE DIRC Prototype

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Iron cosmic rays represent the most abundant heavy nuclei at energies above 1 TeV, with their production thought to be primarily originated by astrophysical sources. Therefore, measuring the iron spectrum provides crucial insights into the…

High Energy Astrophysical Phenomena · Physics 2025-10-21 M. Molero , S. Mangano , C. Delgado

We have developed a prototype hexagonal light concentrator for the Large-Sized Telescopes of the Cherenkov Telescope Array. To maximize the photodetection efficiency of the focal-plane camera pixels for atmospheric Cherenkov photons and to…

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 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

Ground-level particle detection is now a well-established approach to TeV gamma-ray astronomy. Detection of Cherenkov light produced in water-filled detection units is a proven and cost-effective method. Here we discuss the optimization of…

Instrumentation and Methods for Astrophysics · Physics 2023-03-22 Samridha Kunwar , Hazal Goksu , Jim Hinton , Harm Schoorlemmer , Andrew Smith , Werner Hofmann , Felix Werner

With its unprecedented light-collecting area for night-sky observations, the Cherenkov Telescope Array (CTA) holds great potential for also optical stellar astronomy, in particular as a multi-element intensity interferometer for realizing…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Dainis Dravins , Stephan LeBohec , Hannes Jensen , Paul D. Nuñez

We describe here measurements with a new device, the "dichroicon," a Winston-style light concentrator built out of dichroic reflectors, which could allow large-scale neutrino detectors to sort photons by wavelength with small overall light…

Instrumentation and Detectors · Physics 2020-04-22 Tanner Kaptanoglu , Meng Luo , Ben Land , Amanda Bacon , Josh Klein

We present a machine-learning-based particle-identification study for the proximity-focusing Ring Imaging Cherenkov (pfRICH) detector of the ePIC experiment at the Electron-Ion Collider. Operating in the backward region ($-3.5 \lesssim \eta…

Instrumentation and Detectors · Physics 2025-12-30 D. H. Dongwi , C. -J. Naïm , L. Rhode , A. Deshpande

As a novel non-destructive bunch length diagnostic of the electron beam, an experimental observation of the coherent Cherenkov radiation generated from a dielectric caesium iodide crystal with large spectral dispersion was proposed for the…

A novel photodetector based on a MCP-PMT vacuum tube with encapsulated CMOS ASIC has been tested at the CERN SPS high energy hadron beam, allowing single photon Cherenkov detection operating at 10$^4$ gain and with timing resolution of…

Water Cherenkov detectors (WCDs) have been widely used in cosmic ray observations. This paper presents, for the first time, a cost-effective WCD design integrating a small photomultiplier tube (PMT) with wavelength-shifting fiber (WLS…

Instrumentation and Detectors · Physics 2025-02-26 H. Sun , Z. Huang , B. Wang , D. Liu , S. Ji , C. Feng

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 report on a design and performances of a monitoring system developed for the aerogel Cherenkov counters (ACC) of the BELLE detector. The system consists of blue LEDs, a diffuser box, and optical distributors which distribute the LED…

High Energy Physics - Experiment · Physics 2014-11-17 M. H. R. Khan , A. Murakami , T. Sumiyoshi , T. Kuniya , I. Adachi , R. Enomoto , H. Hattori , T. Iijima , K. Kaneda , R. Kawabata , T. Ooba , R. Suda , K. Suzuki , M. Watanabe

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

The Italian Institute of Nuclear Physics (INFN) is involved in the development of a demonstrator for a SiPM-based camera for the Cherenkov Telescope Array (CTA) experiment, with a pixel size of 6$\times$6 mm$^2$. The camera houses about two…

Instrumentation and Detectors · Physics 2019-08-14 G. Ambrosi , F. Acerbi , E. Bissaldi , A. Ferri , F. Giordano , A. Gola , M. Ionica , R. Paoletti , C. Piemonte , G. Paternoster , D. Simone , V. Vagelli , G. Zappala , N. Zorzi

Future lepton colliders such as the FCC-ee, CEPC, ILC, or a muon collider will collect large data samples that allow precision physics studies with unprecedented accuracy, especially when the data is collected by innovative state-of-the-art…

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

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…

TORCH is a novel time-of-flight detector that has been developed to provide charged-particle identification between 2 and 10 GeV/c momentum. TORCH combines arrival times from multiple Cherenkov photons produced within a 10 mm-thick quartz…

The CLEO-III Detector upgrade for charged particle identification is discussed. The RICH design uses solid LiF crystal radiators coupled with multi-wire chamber photon detectors, using TEA as the photosensor, and low-noise Viking readout…