Dmitriy Beznosko
A5058333202- Particle Detector Development and Performance
- Astrophysics and Cosmic Phenomena
- Dark Matter and Cosmic Phenomena
- Radiation Detection and Scintillator Technologies
- Neutrino Physics Research
- Particle physics theoretical and experimental studies
- Atomic and Subatomic Physics Research
- Chaos-based Image/Signal Encryption
- Precipitation Measurement and Analysis
- Radiation Therapy and Dosimetry
- Distributed and Parallel Computing Systems
- Advanced Optical Sensing Technologies
- Nuclear Physics and Applications
- Atmospheric Ozone and Climate
- Earthquake Detection and Analysis
- Advanced Data Storage Technologies
- Computer Graphics and Visualization Techniques
- Radio Astronomy Observations and Technology
- Radio Wave Propagation Studies
- Scientific Computing and Data Management
- CCD and CMOS Imaging Sensors
- Effects of Radiation Exposure
- X-ray Diffraction in Crystallography
- Muon and positron interactions and applications
- Mobile Learning in Education
Clayton State University
2020-2024
Al-Farabi Kazakh National University
2021
University System of Georgia
2021
Nazarbayev University
2014-2020
Harvard University Press
2019
Russian Academy of Sciences
2019
Bard College
2019
Frumkin Institute of Physical Chemistry and Electrochemistry
2016-2017
Brookhaven National Laboratory
2015
Stony Brook University
2006-2013
The T2K experiment observes indications of ν(μ) → ν(e) appearance in data accumulated with 1.43×10(20) protons on target. Six events pass all selection criteria at the far detector. In a three-flavor neutrino oscillation scenario |Δm(23)(2)| = 2.4×10(-3) eV(2), sin(2)2θ(23) 1 and sin(2)2θ(13) 0, expected number such is 1.5±0.3(syst). Under this hypothesis, probability to observe six or more candidate 7×10(-3), equivalent 2.5σ significance. At 90% C.L., are consistent 0.03(0.04) < 0.28(0.34)...
The T2K experiment is a long baseline neutrino oscillation experiment. Its main goal to measure the last unknown lepton sector mixing angle θ13 by observing νe appearance in νμ beam. It also aims make precision measurement of known parameters, Δm232 and sin22θ23, via disappearance studies. Other goals include various cross-section measurements sterile searches. uses an intense proton beam generated J-PARC accelerator Tokai, Japan, composed beamline, near detector complex (ND280), far...
The Tokai-to-Kamioka (T2K) experiment studies neutrino oscillations using an off-axis muon beam with a peak energy of about 0.6 GeV that originates at the J-PARC accelerator facility. Interactions neutrinos are observed near detectors placed 280 m from production target and far detector -- Super-Kamiokande (SK) located 295 km away. flux prediction is essential part successful interaction rates T2K important input to oscillation cross section measurements. A FLUKA GEANT3 based simulation...
The T2K collaboration: reports evidence for electron neutrino appearance at the atmospheric mass splitting, |\Delta m_{32}^2|=2.4x10^{-3} eV^2. An excess of interactions over background is observed from a muon beam with peak energy 0.6 GeV Super-Kamiokande (SK) detector 295 km beam's origin. Signal and predictions are constrained by data near detectors located 280 m production target. We observe 11 candidate events SK when 3.3\pm0.4(syst.) expected. background-only hypothesis rejected...
T2K has performed the first measurement of ${\ensuremath{\nu}}_{\ensuremath{\mu}}$ inclusive charged current interactions on carbon at neutrino energies $\ensuremath{\sim}1\text{ }\text{ }\mathrm{GeV}$ where is reported as a flux-averaged double differential cross section in muon momentum and angle. The flux predicted by beam Monte Carlo external data, including results from NA61/SHINE experiment. data used for this were taken 2010 2011, with total...
We report a measurement of muon-neutrino disappearance in the T2K experiment. The 295-km beam from Tokai to Kamioka is first implementation off-axis technique long-baseline neutrino oscillation With data corresponding $1.43\ifmmode\times\else\texttimes\fi{}{10}^{20}$ protons on target, we observe 31 fully-contained single $\ensuremath{\mu}$-like ring events Super-Kamiokande, compared with an expectation $104\ifmmode\pm\else\textpm\fi{}14\text{ }(\mathrm{syst})$ without oscillations. best-fit...
The Cosmic Ray Extremely Distributed Observatory (CREDO) is a newly formed, global collaboration dedicated to observing and studying cosmic rays (CR) ray ensembles (CRE): groups of minimum two CR with common primary interaction vertex or the same parent particle. CREDO program embraces testing known CRE scenarios, preparing observe unexpected physics, it also suitable for multi-messenger multi-mission applications. Perfectly matched capabilities, could be formed both within classical models...
Received 22 January 2013DOI:https://doi.org/10.1103/PhysRevD.87.019902© 2013 American Physical Society
We have characterised Water-based Liquid Scintillator (WbLS) using low energy protons, UV-VIS absorbance, and fluorescence spectroscopy. also developed validated a simulation model that describes the behaviour of WbLS in our detector configurations for proton beam energies 2 GeV, 475 MeV, 210 MeV two compositions. Our results enabled us to estimate light yield ionisation quenching WbLS, as well understand influence wavelength shifting Cerenkov on measurements. These are relevant suitability...
This document outlines the control software considerations for D.U.C.K (Detection of Unusual Cosmic casKades). The primary goal this is to provide users with ability Flash Analog Digital Converter functions and conduct DAQ (Data Acquisition) operations as well set file format saving data. ROOT framework was found be particularly useful serves tool storing analyzing our Limitations are being considered, further development conducted.
Horizon-T is an innovative detector system constructed to study Extensive Air Showers (EAS) in the energy range above 10^16 eV coming from a wide of zenith angles (0 - 85 degrees). The located at Tien Shan high-altitude Science Station Lebedev Physical Institute Russian Academy Sciences approximately 3340 meters sea level. It consists eight charged particle detection points separated by distance up one kilometer as well optical subsystem view Vavilov-Cerenkov light EAS. time resolution...
Abstract The Cosmic-Ray Extremely Distributed Observatory (CREDO) is the project to search and study ultra high-energy cosmic ray particles from deep space producing simultaneous extensive air showers over entire exposed surface of Earth. concept CREDO infrastructure assumes absorbing all kinds data any apparatus world, including professional instruments, educational detectors arrays, popular devices such as smartphones. We discuss here usefulness possibilities using last one present...
In cosmic rays physics often a simple charged particle detector with fast response, best possible pulse time resolution and large linear range is required. For that purpose, we have developed design based on the detection of Cherenkov radiation produced by particles in thick optical glass used as medium photomultiplier tube. this work, results parameters simulation experimental verification are presented.
There are various particle detection methods used nowadays and the most common is using scintillators. Among scintillating materials, solid plastic water-based liquid scintillators (WbLS) latest development. In particular, WbLS allows researchers to apply different for increased experiment efficiency. This survey attempts make an overview on detectors in high-energy physics It meant as a summary those new scintillator looking general material topic.
The Cosmic Ray Extremely Distributed Observatory (CREDO) pursues a global research strategy dedicated to the search for correlated cosmic rays, so-called Ensembles (CRE). Its general approach CRE detection does not involve any priori considerations, and its encompasses both spatial temporal correlations, on different scales. Here we time clustering of ray events collected with small sea-level extensive air shower array at University Adelaide. consists seven one-square-metre scintillators...
The possibility to produce a scintillator that satisfies the demands of physicists from different science areas has emerged with installation an extrusion line at FNAL (Fermi National Accelerator Laboratory). extruder is product fruitful collaboration between and NICADD NIU (Northern Illinois Center for Detector Development Northern University). results light output, attenuation length mechanical tolerance indicate FNAL-NICADD high quality. Improvements in die will yield better profiles...
Nowadays, numerous fields such as High Energy Physics (HEP), medical imaging devices, portable radiation detectors etc., require a robust, miniature, reliable and readily available photon detector that is stable in variety of environments, the presence strong magnetic fields. The recently $\sim$1mm$^{\textrm{2}}$ active area Multi-pixel Photon Counter (MPPC) sensors, produced by Hamamatsu Photonics, have been found to be an attractive choice for HEP applications. following sensor...
Horizon-T" is an innovative detector system located at Tien Shan high-altitude Science Station (TSHASS) approximately 3340 meters above the sea level.It consists of eight detection points separated by distance up to one kilometer that can measure time characteristics Extensive Air Showers (EAS) and record signal shapes with resolution ~10 ns.It was constructed register EAS in energy range 10 16 eV coming from a wide zenith angles (0 o -85 ).The includes both plastic scintillator particle...
The Extensive Air Showers (EAS) with delayed particles have been detected by the Horizon-10T experiment, located at elevation of 3346 m above sea level near city Almaty, Republic Kazakhstan. Among these EAS there were events that had signals two distinct pulses (maximums or modes). Such we call bimodal, and showers – bimodal events. This article presents study properties only comparison simulated using CORSIKA software package. thorough has shown cannot be explained known physical processes...
A total of 23500 Extensive Air Showers (EAS) with energies above ∼ 1016 eV have been detected during the ∼3500 hours Horizon-T (HT) detectors system operations before Aug. 2016. Among these EAS, more than a thousand had an unusual spatial and temporary structure that showed pulses several maxima (modals or modes) from detection points HT at same time. These modes are separated in time each other starting tens to thousands ns. EAS called multi-modal. Analysis shows multi-modal by following...
The Cosmic-Ray Extremely Distributed Observatory (CREDO) was established to detect and study ultra high-energy cosmic ray particles. In addition making use of traditional methods for finding rare extended events such as professional-grade Extensive Air Shower (EAS) arrays, well educational ‘class-room’ detectors, CREDO also makes cameras in smartphones particle detectors. Beyond the primary scientific goal project, Cosmic Ray Ensembles, is equally important project. To EAS detection, it...