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Cosmic-ray muons and especially their secondaries break apart nuclei ("spallation") and produce fast neutrons and beta-decay isotopes, which are backgrounds for low-energy experiments. In Super-Kamiokande, these beta decays are the dominant…

Instrumentation and Detectors · Physics 2015-12-02 Shirley Weishi Li , John F. Beacom

In both particle physics and cosmic ray muon applications, a high-resolution muon momentum measurement capability plays a significant role not only in providing valuable information on the properties of subatomic particles but also in…

Instrumentation and Detectors · Physics 2021-11-25 Junghyun Bae , Stylianos Chatzidakis

The High-Altitude Water Cherenkov (HAWC) observatory was designed to study gamma-ray sources in the energy range between a few hundred GeV up to few hundred TeV. It is composed of 300 Water Cherenkov Detectors (WCDs) that cover a surface of…

High Energy Astrophysical Phenomena · Physics 2025-07-31 Cindy Castellón , Hermes León Vargas

A detailed case study of $\gamma$-hadron segregation for a ground based atmospheric Cherenkov telescope is presented. We have evaluated and compared various supervised machine learning methods such as the Random Forest method, Artificial…

Instrumentation and Methods for Astrophysics · Physics 2015-06-23 Mradul Sharma , J. Nayak , M. K. Koul , S. Bose , Abhas Mitra

We propose to build a large water-Cherenkov-type muon-detector array (Tibet MD array) around the 37,000 m$^{2}$ Tibet air shower array (Tibet AS array) already constructed at 4,300 m above sea level in Tibet, China. Each muon detector is a…

Astrophysics · Physics 2011-03-31 The Tibet AS Gamma Collaboration , M. Amenomori

Ultra-high-energy photons have long been sought as tracers of the most energetic processes in the Universe. Several sources can contribute to a diffuse photon flux, including interactions of cosmic rays with Galactic matter and radiation…

Instrumentation and Methods for Astrophysics · Physics 2025-07-22 Ezequiel Rodriguez

IceTop, the surface array of IceCube, measures air showers from cosmic rays within the energy range of 1 PeV to a few EeV and a zenith angle range of up to $\approx$ 36$^\circ$. This detector array can also measure air showers arriving at…

High Energy Astrophysical Phenomena · Physics 2021-07-26 Aswathi Balagopal V.

XENON is a dark matter direct detection project, consisting of a time projection chamber (TPC) filled with liquid xenon as detection medium. The construction of the next generation detector, XENON1T, is presently taking place at the…

Cosmogenic muon-induced radioactive isotopes pose a significant background source for deep-underground low-background experiments. Although rock overburdens at underground sites substantially attenuate the cosmogenic muon flux, residual…

High Energy Physics - Experiment · Physics 2026-03-11 Junwei Zhang , Yongpeng Zhang , Yongbo Huang , Jilei Xu , Junyou Chen , Yi Wang

In this paper we have introduced a novel method for gamma hadron separation in Imaging Atmospheric Cherenkov Telescopes (IACT) using Quantum Machine Learning. IACTs captures images of Extensive Air Showers (EAS) produced from very high…

Instrumentation and Methods for Astrophysics · Physics 2022-11-01 Jashwanth S , Sudeep Ghosh , Neha Shah , Kavitha Yogaraj , Ankhi Roy

The gamma/hadron separation in the imaging air Cherenkov telescope technique is based on differences between images of a hadronic shower and a gamma induced electromagnetic cascade. One may expect for a large telescope that a detection of…

Astrophysics · Physics 2008-11-26 Dorota Sobczynska

Muon imaging, especially muon scattering tomography (MST), has recently garnered significant attention. MST measures the magnitude of muon scattering angles inside an object, which depends not only on the material properties but also on the…

Instrumentation and Detectors · Physics 2025-09-17 Pei Yu , Ziwen Pan , Jiajia Zhai , Yu Xu , Li Deng , Zhengyang He , Zhe Chen , Zechao Kang , Yuhong Yu , Xueheng Zhang , Liangwen Chen , Lei Yang , Zhiyu Sun

Ionizing radiation has emerged as a potential limiting factor for superconducting quantum processors, inducing quasiparticle bursts and correlated errors that challenge fault-tolerant operation. Atmospheric muons are particularly…

When a gamma or cosmic ray strikes the top of Earth's atmosphere, a shower of secondary particles moves toward the surface. Some of these secondary particles are charged muons that subsequently enter Water Cherenkov Detectors (WCDs) on the…

Instrumentation and Methods for Astrophysics · Physics 2020-10-08 Neerav Kaushal , Robert J. Nemiroff

This paper presents the measurement of the scattering of 172 MeV/c muons in assorted materials, including liquid hydrogen, motivated by the need to understand ionisation cooling for muon acceleration. Data are compared with predictions from…

Nowadays the implementation of artificial neural networks in high-energy physics has obtained excellent results on improving signal detection. In this work we propose to use neural networks (NNs) for event discrimination in HAWC. This…

Instrumentation and Detectors · Physics 2021-08-02 J. R. Angeles Camacho , H. León Vargas

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…

A major challenge in ground-based ultra-high-energy gamma-ray observations remains in discriminating sporadic gamma-ray signals from a huge background of cosmic-ray events. To achieve good discrimination power of gamma rays against protons,…

High Energy Astrophysical Phenomena · Physics 2025-12-08 Animesh Basak , Meghamani Haldar , Kishor Chaudhury , Rajat K. Dey

Cherenkov detectors have been extensively developed and utilized in various scientific fields, including particle physics, astrophysics, and nuclear engineering. These detectors operate based on Cherenkov radiation, which is emitted when a…

Instrumentation and Detectors · Physics 2025-06-30 Anzori Sh. Georgadze

Muon Telescope Detector (MTD) is a newly installed detector in the STAR experiment. It provides an excellent opportunity to study heavy quarkonium physics using the dimuon channel in heavy ion collisions. In this paper, we report the muon…

Instrumentation and Detectors · Physics 2016-08-01 T. C. Huang , R. Ma , B. Huang , X. Huang , L. Ruan , T. Todoroki , Z. Xu , C. Yang , S. Yang , Q. Yang , Y. Yang , W. Zha