D. Knežević

ORCID: 0000-0003-2081-8400
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About
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Research Areas
  • Nuclear physics research studies
  • Nuclear Physics and Applications
  • Nuclear reactor physics and engineering
  • Radiation Detection and Scintillator Technologies
  • Solar and Space Plasma Dynamics
  • Astronomical and nuclear sciences
  • Particle Detector Development and Performance
  • Radioactivity and Radon Measurements
  • Radiation Therapy and Dosimetry
  • Particle physics theoretical and experimental studies
  • Advanced Radiotherapy Techniques
  • Superconducting Materials and Applications
  • Atomic and Molecular Physics
  • Astrophysics and Cosmic Phenomena
  • Neutrino Physics Research
  • Graphite, nuclear technology, radiation studies
  • Scientific Research and Discoveries
  • Mining and Gasification Technologies
  • Muon and positron interactions and applications
  • Astro and Planetary Science
  • Geological Studies and Exploration
  • Radiation Shielding Materials Analysis
  • Hydrocarbon exploration and reservoir analysis
  • Radioactive Decay and Measurement Techniques
  • Geochemistry and Geologic Mapping

Institute of Physics Belgrade
2018-2025

University of Belgrade
2019-2023

University of Novi Sad
2014-2022

Cosmic rays have been studied for over a century. In addition to investigating their fundamental properties, such as origin, composition, and acceleration mechanisms, some of the most important studies in field involve interaction cosmic within heliosphere, near-Earth space, immediate Earth’s environment. These areas particular interest recent years.One type study focuses on modulation by solar magnetic geomagnetic heliosphere magnetosphere, respectively. Among other things, these...

10.69646/bbbs2407 article EN 2024-11-24

Abstract It is well known that one of the factors influence indoor radon variability floor level buildings. Considering fact main source in soil gas, it expected concentration decreases at higher floors. Thus floors dominant originating from building materials, and some cases there may be deviations generally established regularity. In such sense, we chose freestanding single-family house with loft other 16-floor high-rise residential for this study. The measurements were performed by two...

10.2478/nuka-2020-0019 article EN cc-by-nc-nd Nukleonika 2020-05-29

10.1016/j.nima.2016.07.001 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2016-07-03

As it propagates through the atmosphere, muon component of secondary cosmic rays is influenced by variations in atmospheric parameters. The two most significant effects affecting flux detected at ground level are barometric effect, due to changes pressure, and temperature caused fluctuations temperature.To enhance sensitivity ground-based detectors ray non-atmospheric origin, these must be corrected, with effect being more complex model. well-established method for correcting integral...

10.69646/aob241110 article EN 2024-11-26

10.1016/j.nima.2016.12.025 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2016-12-15

The first significant Forbush decrease of the solar cycle 25 was recorded on November 4 th , 2021.The observed with numerous ground based cosmic rays stations including Belgrade muons' station.Series coronal mass ejections during October 28-November 2021.produce conditions for this decrease.We discuss here variation rays' flux detected ground-based detectors and connection conditions, measured in-situ, in interplanetary space around Earth, wind protons SOHO probe to assess implication...

10.31577/caosp.2023.53.3.148 article EN Contributions of the Astronomical Observatory Skalnaté Pleso 2023-12-01

Abstract The investigations of contribution to the low-energy part background gamma spectrum (below 100 keV) and knowing detection efficiency for this region are important both, a fundamental, as well applied research. In work, components contributing shielded detector analyzed, including production spectral distribution muon-induced continuous radiation in vicinity high-purity germanium detector.In addition, low energy is determined using GEANT 4 simulation package. This technique offers...

10.1016/j.phpro.2014.10.009 article EN Physics Procedia 2014-01-01

Abstract Correction of meteorological effects on muon component secondary cosmic rays significantly extends the usability monitors. We propose a new data driven empirical method for correction rays, based multivariate analysis. Several algorithms implemented in Toolkit Multivariate Data Analysis with ROOT framework are trained and then applied to correct count rate barometric temperature effects. The effect corrections periodic aperiodic ray variations is analyzed compared integral method,...

10.1029/2020sw002712 article EN cc-by-nc-nd Space Weather 2021-07-21

Flux of muon component secondary cosmic rays is affected by varying conditions in the atmosphere. Dominant effects are barometric and temperature effect, which reflect variations atmospheric pressure respectively. Precise modelling correction for these meteorological significantly increases sensitivity Earth-based detectors to primary ray flux. We presenting two recently developed empirical methods on muons. First method based principal analysis, while second employs multivariate analysis...

10.22323/1.395.1252 article EN cc-by-nc-nd Proceedings of 36th International Cosmic Ray Conference — PoS(ICRC2019) 2021-07-08
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