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In order to characterise the behaviour of Water Cherenkov Detectors (WCD) under a sudden increase of 1 GeV - 1 TeV background photons from a Gamma Ray Burst (GRB), simulations were conducted and compared to data acquired by the WCD of the…

Detecting supernova $\nu_e$ is essential for testing supernova and neutrino physics, but the yields are small and the backgrounds from other channels large, e.g., $\sim 10^2$ and $\sim 10^4$ events, respectively, in Super-Kamiokande. We…

High Energy Astrophysical Phenomena · Physics 2014-03-21 Ranjan Laha , John F. Beacom

Particle identification at high rates is an important challenge for many current and future high-energy physics experiments. The upgrade of the COMPASS RICH-1 detector requires a new technique for Cherenkov photon detection at count rates…

Instrumentation and Detectors · Physics 2019-08-15 F. Nerling

In a previous work we have demonstrated the feasibility of high-frame-rate, fast-neutron radiography of generic air-water two-phase flows in a 1.5 cm thick, rectangular flow channel. The experiments have been carried out at the…

Instrumentation and Detectors · Physics 2015-04-09 Robert Zboray , Volker Dangendorf , Ilan Mor , Benjamin Bromberger , Kai Tittelmeier

The Jiangmen Underground Neutrino Observatory is proposed to determine neutrino mass hierarchy using a 20~ktonne liquid scintillator detector. Strict radio-purity requirements have been put forward for all the components of the detector.…

Instrumentation and Methods for Astrophysics · Physics 2020-07-15 Lifei Xie , Jinchang Liu , Shoukang Qiu , Cong Guo , Changgen Yang , Quan Tang , Yongpeng Zhang , Peng Zhang

Calibration of a PMT matrix is crucial for the treatment of the data obtained with Cherenkov tracking detector. Furthermore, due to high variability of the aerosol abundance in the atmosphere depending on season, weather etc. A constant…

Instrumentation and Methods for Astrophysics · Physics 2015-09-02 Stanislav Knurenko , Yuri Egorov , Igor Petrov

The ANTARES Collaboration proposes to construct a large area water Cherenkov detector in the deep Mediterranean Sea, optimised for the detection of muons from high-energy astrophysical neutrinos. This paper presents the scientific…

Astrophysics · Physics 2012-08-27 ANTARES Collaboration

We present a method of atmospheric Cherenkov imaging which reconstructs the unique arrival direction of TeV gamma rays using a single telescope. The method is derived empirically and utilizes several features of gamma-ray induced air…

Astrophysics · Physics 2011-05-23 R. W. Lessard , J. H. Buckley , V. Connaughton , S. Le Bohec

Future large water Cherenkov and scintillator detectors have been proposed for measurements of long baseline neutrino oscillations, proton decay, supernova and solar neutrinos. To ensure cost-effectiveness and optimize scientific reach, one…

Instrumentation and Detectors · Physics 2013-03-20 J. Brack , B. Delgado , J. Dhooghe , J. Felde , B. Gookin , S. Grullon , J. R. Klein , R. Knapik , A. LaTorre , S. Seibert , K. Shapiro , R. Svoboda , L. Ware , R. Van Berg

The basic principles of detection of fast neutrons with liquid scintillator detectors are reviewed, together with a real example in the form of the Neutron Wall array. Two of the challenges in neutron detection, discrimination of neutrons…

Nuclear Experiment · Physics 2008-12-08 P. -A. Söderström

A new SPHERE seires complex extensive air showers detector is under development. The main goal of its mission is to study the mass composition of cosmic ray nuclei in the 1-100 PeV energy range at a new level. The already well-established…

Matter-antimatter asymmetry is one of the major unsolved problems in physics that can be probed through precision measurements of charge-parity symmetry violation at current and next-generation neutrino oscillation experiments. In this…

Instrumentation and Detectors · Physics 2019-11-07 Abhishek Abhishek , Wojciech Fedorko , Patrick de Perio , Nicholas Prouse , Julian Z. Ding

We have designed a threshold Cherenkov detector at the Rutherford-Appleton Laboratory to identify muons with momenta between 230 and 350 MeV/c. We investigated the properties of three aerogels for the design. The nominal indexes of…

Instrumentation and Detectors · Physics 2009-09-28 Lucien Cremaldi , David A. Sanders , Peter Sonnek , Donald J. Summers , Jim Reidy

We propose a new method to detect low-energy neutrinos and low-mass dark matter at or below the MeV scale, through their coherent scatterings from freely falling heavy atoms and the resulting kinematic shifts. We start with a simple…

High Energy Physics - Phenomenology · Physics 2023-03-07 Alim Ruzi , Sitian Qian , Tianyi Yang , Qiang Li

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…

The Milagro Gamma Ray Observatory, located at an altitude of 8,600 feet in the Jemez Mountains of New Mexico, is the world's first large-area water Cherenkov detector capable of continuously monitoring the entire sky for sources of TeV…

Astrophysics · Physics 2012-08-27 The Milagro Collaboration

In this paper, novel methods are presented to measure the optical properties of muon detectors (MDs) in the Large High-Altitude Air Shower Observatory (LHAASO), which can also be used by other experiments. Each MD consists of a cylindrical…

Instrumentation and Detectors · Physics 2019-01-30 Xiurong Li , Huihai He , Gang Xiao , Xiong Zuo , Shaohui Feng , Lingyu Wang , Cong Li , Mohsin Saeed , Ning Cheng

Cosmic-ray accelerators capable of reaching ultra-high energies are expected to also produce very-high energy neutrinos via hadronic interactions within the source or its surrounding environment. Many of the candidate astrophysical source…

High Energy Astrophysical Phenomena · Physics 2022-06-07 Tonia M. Venters , Mary Hall Reno , John F. Krizmanic

The Next-Generation Atmospheric Cherenkov Telescope Array (NG-ACTA) is proposed as a prospective infrastructure for very high energy (VHE) gamma-ray astronomy, consisting of a mixed-aperture array of 88 telescopes with a maximum array…

High Energy Astrophysical Phenomena · Physics 2026-03-23 Jiancheng Wang , Jirong Mao

Cherenkov telescope experiments, such as H.E.S.S., have been very successful in astronomical observations in the very-high-energy (VHE; E $>$ 100 GeV) regime. As an integral part of the detector, such experiments use Earth's atmosphere as a…

Instrumentation and Methods for Astrophysics · Physics 2015-02-05 J. Hahn , R. de los Reyes , K. Bernlöhr , P. Krüger , Y. T. E. Lo , P. M. Chadwick , M. K. Daniel , C. Deil , H. Gast , K. Kosack , V. Marandon