A5051722595- Particle physics theoretical and experimental studies
- Neutrino Physics Research
- Quantum Chromodynamics and Particle Interactions
- High-Energy Particle Collisions Research
- Astrophysics and Cosmic Phenomena
- Dark Matter and Cosmic Phenomena
- Particle Detector Development and Performance
- Radiation Detection and Scintillator Technologies
- Cosmology and Gravitation Theories
- Atomic and Subatomic Physics Research
- Particle accelerators and beam dynamics
- Nuclear Physics and Applications
- Muon and positron interactions and applications
- Computational Physics and Python Applications
- Medical Imaging Techniques and Applications
- Gamma-ray bursts and supernovae
- Methane Hydrates and Related Phenomena
- Superconducting Materials and Applications
- Black Holes and Theoretical Physics
- Radio Astronomy Observations and Technology
- Atmospheric Ozone and Climate
- Underwater Vehicles and Communication Systems
- Noncommutative and Quantum Gravity Theories
- Nuclear reactor physics and engineering
- CO2 Sequestration and Geologic Interactions
University of Sheffield
2016-2025
Universidad Europea de Madrid
2024
University of Victoria
2024
The University of Tokyo
2020-2024
Albert Einstein College of Medicine
2024
Montefiore Medical Center
2024
University of Toyama
2024
Carleton University
2017-2022
University of Chicago
2022
Rutherford Appleton Laboratory
2021
There exists a long-standing disagreement between bubble chamber measurements of the single pion production channel ${\ensuremath{\nu}}_{\ensuremath{\mu}}p\ensuremath{\rightarrow}{\ensuremath{\mu}}^{\ensuremath{-}}p{\ensuremath{\pi}}^{+}$ from Argonne and Brookhaven National Laboratories. We digitize reanalyze data both experiments to produce cross-section ratios for various interaction channels, which flux uncertainties cancel, find good agreement experiments. By multiplying ratio by...
The crew members on the last seven Apollo flights observed light flashes that are tentatively attributed to cosmic ray nuclei (atomic number >/= 6) penetrating head and eyes of observers. Analyses event rates for all missions has revealed an anomalously low rate transearth coast observations with respect translunar observations.
The calorimeter, range detector and active target elements of the T2K near detectors rely on Hamamatsu Photonics Multi-Pixel Photon Counters (MPPCs) to detect scintillation light produced by charged particles. Detailed measurements MPPC gain, afterpulsing, crosstalk, dark noise, photon detection efficiency for low levels are reported. In order account impact behavior physics observables, a simulation program has been developed based these measurements. is used predict energy resolution detector.
NUISANCE is an open source C++ framework which facilitates detailed studies of neutrino interaction cross-section models implemented in Monte Carlo event generators. It provides a host automated methods to perform comparisons multiple generators published measurements and each other. External reweighting libraries are used allow the end-user evaluate impact model parameters variations with data, or tune generator predictions arbitrary dataset combinations. The design modular focusses on...
The T2K experiment studies oscillations of an off-axis muon neutrino beam between the J-PARC accelerator complex and Super-Kamiokande detector. Special emphasis is placed on measuring mixing angle theta_13 by observing electron appearance via sub-dominant to oscillation, searching for CP violation in lepton sector. includes a sophisticated, off-axis, near detector, ND280, situated 280 m downstream production target order measure properties understand better interactions at energy scale below...
Used for both proton decay searches and neutrino physics, large water Cherenkov (WC) detectors have been very successful tools in particle physics. They are notable their masses charged detection capabilities. While current WC reconstruct tracks over a wide energy range, they cannot efficiently detect neutrons. Gadolinium (Gd) has the largest thermal neutron capture cross section of all stable nuclei produces an 8 MeV gamma cascade that can be detected with high efficiency. Because many new...
The article describes the application of muon tomography to detection unexpected density variations within civil infrastructure. Results from a scan disused railway tunnel in United Kingdom with known features, namely three open shafts, are presented. shafts identified high statistical significance and further hidden voided shaft is located.
There has been a great deal of theoretical work on sophisticated charged current quasi-elastic (CCQE) neutrino interaction models in recent years, prompted by number experimental results that measured unexpectedly large CCQE cross sections nuclear targets. As the dominant mode at T2K energies, and signal process oscillation analyses, it is important for experiment to include realistic section uncertainties analyses. To this end, T2K's Neutrino Interaction Working Group implemented NEUT,...
Miniaturised silicon photomultipliers (SiPMs) were employed for the detection of radioactivity, towards microfluidic quality control testing radiopharmaceuticals.
Large-scale solid bodies on Earth such as volcanoes and man-made pyramids have been visualized with earth muography, the recently invented technique, acqueous has already demonstrated its capability to visualize ocean tides tsunami. In this work, atmospheric a technique monitor vertical profile of tropic cyclones (TCs) is presented for first time. The density distribution time-dependent behavior several TCs which had approached Kagoshima, Japan, investigated muography. resultant...
Abstract Meteorological-tsunami-like (or meteotsunami-like) periodic oscillation was muographically detected with the Tokyo-Bay Seafloor Hyper-Kilometric Submarine Deep Detector (TS-HKMSDD) deployed in underwater highway called Trans-Tokyo Bay Expressway or Tokyo Aqua-Line (TBAL). It right after arrival of 2021 Typhoon-16 that passed through region 400 km south bay. The measured period and decay time were respectively 3 h 10 h. These measurements found to be consistent previous tide gauge...
Carbon capture and storage is a transition technology from past present fuelled by coal, oil gas planned future dominated renewable energy sources. The involves the of carbon dioxide emissions fossil fuel power stations other point sources, compression CO2 into fluid, transporting it injecting deep beneath Earth's surface depleted petroleum reservoirs porous formations. Once injected, must be monitored to ensure that emplaced assimilated as none leaks back surface. A variety methods have...
Abstract This paper reports the development and detailed properties of about 13 metric tons gadolinium sulfate octahydrate, $\rm Gd_2(\rm SO_4)_3\cdot \rm 8H_2O$, which has been dissolved into Super-Kamiokande (SK) in summer 2020. We evaluate impact radioactive impurities 8H_2O$ on diffuse supernova neutrino background searches solar observation confirm need to reduce fluorescent by three orders magnitude from commercially available high-purity 8H_2O$. In order produce ultra-high-purity we...
Abstract Tidal measurements are of great significance since they may provide us with essential data to apply towards protection coastal communities and sea traffic. Currently, tide gauge stations laser altimetry commonly used for these measurements. On the other hand, muography sensors can be located underneath seafloor inside an undersea tunnel where electric telecommunication infrastructures more readily available. In this work, world’s first under-seafloor particle detector array called...
We present Monte-Carlo simulations of electron transport through liquid argon motivated by our recent observation electroluminescence light emanating from a thick gaseous multiplier (THGEM) in volume. All known elastic and inelastic reaction cross-sections have been accounted for, providing yield predictions for arbitrary electrostatic fields. This study concludes that the large field gradients needed to produce cannot be straightforward calculations based on ideal THGEM holes, suggesting...