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In the readout electronics of the Water Cerenkov Detector Array (WCDA) in the Large High Altitude Air Shower Observatory (LHAASO), both high-resolution charge and time measurement are required over a dynamic range from 1 photoelectron…

Instrumentation and Detectors · Physics 2019-07-09 Cong Ma , Lei Zhao , Ruoshi Dong , Zouyi Jiang , Shaoping Chu , Xingshun Gao , Shubin Liu , Qi An

25,600 3-inch PMTs will be installed in Jiangmen Underground Neutrino Observatory (JUNO) to achieve more precise energy calibration and to extend the physics detection potential. Performances of all bare PMTs have been characterized and…

Instrumentation and Detectors · Physics 2022-04-07 Diru Wu , Jilei Xu , Miao He , Zhimin Wang , Ziliang Chu

Muon reconstruction in the Daya Bay water pools would serve to verify the simulated muon fluxes and offer the possibility of studying cosmic muons in general. This reconstruction is, however, complicated by many optical obstacles and the…

Instrumentation and Detectors · Physics 2017-09-05 R. W. Hackenburg

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

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 muon tagging is an essential tool to distinguish between gamma and hadron-induced showers in wide field-of-view gamma-ray observatories. In this work, it is shown that an efficient muon tagging (and counting) can be achieved using a…

Instrumentation and Detectors · Physics 2021-07-14 R. Conceição , B. S. González , A. Guillén , M. Pimenta , B. Tomé

The Large High Altitude Air Shower Observatory (LHAASO) is designed for high energy gamma ray and cosmic ray detection. A Water Cherenkov Detector Array which is sensitive to gamma ray showers above a few hundred GeV is proposed to survey…

Instrumentation and Detectors · Physics 2016-03-14 Jianfeng Liu , Lei Zhao , Li Yu , Yu Liang , Jiajun Qin , Yunfang Yang , Weihao Wu , Shubin Liu , Qi An

In this article, the potential of water Cherenkov detectors equipped with multi-PMT modules for background-free upward-going neutrino detection and improved direction reconstruction is demonstrated. By analyzing signal time traces with…

High Energy Physics - Experiment · Physics 2025-08-08 J. Alvarez-Muñiz , R. Colalillo , R. Conceição , B. S. González , V. M. Grieco , F. Guarino , M. Pimenta , B. Tomé , M. Waqas

Muons decaying in the water volume of a Cherenkov detector of the Pierre Auger Observatory provide a useful calibration point at low energy. Using the digitized waveform continuously recorded by the electronics of each tank, we have devised…

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

This paper presents several approaches to deal with the problem of identifying muons in a water Cherenkov detector with a reduced water volume and 4 PMTs. Different perspectives of information representation are used and new features are…

Instrumentation and Detectors · Physics 2021-01-29 B. S. González , R. Conceição , M. Pimenta , B. Tomé , A. Guillén

Next-generation air-shower detectors, such as the Global Cosmic Ray Observatory (GCOS) and the Probing Extreme PeVatron Sources (PEPS) experiment, are considering water-Cherenkov detectors as a base design. A key factor in improving the…

High Energy Astrophysical Phenomena · Physics 2025-08-27 Pierre Billoir , Benjamin Flaggs , Ioana C. Mariş , Andrea Parenti

In the Large High Altitude Air Shower Observatory (LHAASO), the Water Cherenkov Detector Array (WCDA) is one of the key parts. The WCDA consists of 3600 Photomultiplier Tubes (PMTs) scattered in a 90000 m2 area, and both high precision time…

Instrumentation and Detectors · Physics 2019-08-06 Lei Zhao , Cong Ma , Shaoping Chu , Xingshun Gao , Zouyi Jiang , Ruoshi Dong , Shubin Liu , Qi An

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

Water Cherenkov detectors offer a robust and economical solution for real-time radiation monitoring by detecting Cherenkov light from charged particles moving faster than light in water. This work presents a novel two-stage classification…

Instrumentation and Detectors · Physics 2026-01-27 Alejandro Núñez-Selin , Iván Sidelnik , Christian Sarmiento-Cano , Hernán Asorey , Luis A. Núñez

This study presents the design and simulation-based validation of a muon imaging system tailored for potential applications in industrial hydrotreatment units. The system is built around a two-panel plastic scintillator hodoscope, equipped…

The Large High Altitude Air Shower Observatory (LHAASO) project has been proposed for the survey and study of cosmic rays. In the LHAASO project, the Water Cherenkov Detector Array (WCDA) is one of major detectors for searching gamma ray…

Instrumentation and Detectors · Physics 2016-01-20 Weihao Wu , Lei Zhao , Yu Liang , Li Yu , Jianfeng Liu , Shubin Liu , Qi An

Modern cosmic ray experiments consisting of large array of particle detectors measure the signals of electromagnetic or muon components or their combination. The correction for an amount of atmosphere passed is applied to the surface…

High Energy Astrophysical Phenomena · Physics 2017-08-23 J. Vicha , P. Travnicek , D. Nosek , J. Ebr

The multi-Photomultiplier Tube (mPMT) photosensors will be used in the Water Cherenkov Test Experiment (WCTE) to efficiently detect the photons produced in the whole detector. One of the aims behind the development of WCTE is to test the…

We study the possibility to use the Cherenkov light for the efficient detection of 511 keV photons with the goal to use it in TOF-PET. We designed and tested two detection modules consisting of PbF$_2$ crystals attached to Planacon MCP-PMT…

Instrumentation and Detectors · Physics 2020-03-24 C. Canot , M. Alokhina , P. Abbon , J. P. Bard , D. Breton , E. Delagnes , J. Maalmi , G. Tauzin , D. Yvon , V. Sharyy