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Study of water Cherenkov detector to improve the angular resolution of an air-shower array for ultra-high-energy gamma-ray observation
For research on cosmic gamma rays with energies in the range of several tens of teraelectronvolts or more, we investigated a method to improve the...
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Indirect Detection of Cosmic Rays
Cosmic rays entering the Earth’s atmosphere interact with the nuclei of air and produce cascades of secondary particles. At high energy (E ≳ 1014...
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Searching for Neutrino and Ultra-High-Energy Gamma-Ray Counterparts of the GCN Alerts
AbstractThe Baksan Neutrino Observatory setups are currently performing search for neutrino and ultra-high-energy gamma-ray counterparts of the...
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Towards extracting cosmic magnetic field structures from cosmic-ray arrival directions
We present a novel method to search for structures of coherently aligned patterns in ultra-high energy cosmic-ray arrival directions simultaneously...
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Interpretation of Fluxes of Cosmic-Ray Nuclei and Electrons within a Nonclassical Diffusion Model
AbstractA new scenario of the formation of observed ultrahigh-energy cosmic-ray electron/positron and nuclei spectra is discussed within a...
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A cosmic-ray database update: CRDB v4.1
The cosmic-ray database,
CRDB , has been gathering cosmic-ray data for the community since 2013. We present a new release,CRDB v4.1 , providing many...
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Advances in direct measurements of cosmic rays
In celebration of the 25th anniversary of the Korean Physical Society Astrophysics Division, reflecting on the progress in cosmic-ray astrophysics...
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Mechanisms of Cosmic Ray Generation
AbstractThe origin of cosmic rays (CR) stays an open-ended question for over a hundred years. However, during the past decade, a wide range of new...
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Combined Diffusive Shock and Shear Acceleration in Astrophysical Jets
AbstractAcceleration of cosmic rays in astrophysical jets is investigated. Particles are accelerated at the outer bow shock and by shear flows in the...
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Introduction to Ground-Based Gamma-Ray Astrophysics
The origin of cosmic rays, specifically the questions of how and where charged nuclei are accelerated to extreme energies, remain open. The spectral...
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Cosmic ray feedback in galaxies and galaxy clusters
Understanding the physical mechanisms that control galaxy formation is a fundamental challenge in contemporary astrophysics. Recent advances in the...
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Studying the Variation of Fundamental Constants at the Cosmic Ray Extremely Distributed Observatory
AbstractThe study of the variation of fundamental constants through time or in localized regions of space is one of the goals of the Cosmic Ray...
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Current Particle Detector Arrays in Gamma-Ray Astronomy
LHAASO, which was fully completed and started taking data in July 2021, is currently the most sensitive particle detector array. It has high...
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Cosmic-Ray Research at the TAIGA Astrophysical Facility: Results and Plans
AbstractHigh-energy cosmic-ray research via the detection of Cherenkov radiation from extensive air showers was begun in the Tunka valley (50 km to...
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Giuseppe Occhialini and the History of Cosmic-Ray Physics in the 1930s: From Florence to Cambridge
Giuseppe Occhialini’s stay in Cambridge at the Cavendish laboratory spanned three years, from 1931 to 1934, although he originally had left Italy for...
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Course 14: Pierre Auger Observatory: Status and Prospects
The Pierre Auger Observatory is the next generation ground based cosmic ray detector fully devoted to the study of the ultra-high energy cosmic rays...
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Cosmic Ray Susceptibility of the Terahertz Intensity Mapper Detector Arrays
We report on the effects of cosmic ray interactions with the kinetic inductance detector (KID)-based focal plane array for the terahertz intensity...
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Ultra-High Energy Gamma Ray Astronomy with the Carpet Air Shower Array at the Baksan Neutrino Observatory
AbstractThe Carpet facility of the Baksan Neutrino Observatory (Institute for Nuclear Research of the Russian Academy of Sciences) was put into...
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Introduction to Ground-Based Gamma-Ray Astrophysics
The origin of cosmic rays, specifically the questions of how and where charged nuclei are accelerated to extreme energies, remain open. The spectral...
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Hadronic interaction model dependence in cosmic Gamma-ray flux estimation using an extensive air shower array with a muon detector
Observation techniques of high-energy gamma rays using air showers have remarkably progressed via the Tibet AS γ , HAWC, and LHAASO experiments. These...
