A. Bashyal
- Neutrino Physics Research
- Particle physics theoretical and experimental studies
- Astrophysics and Cosmic Phenomena
- Dark Matter and Cosmic Phenomena
- Particle Detector Development and Performance
- Radiation Detection and Scintillator Technologies
- Particle accelerators and beam dynamics
- Atomic and Subatomic Physics Research
- Planetary Science and Exploration
- Nuclear Physics and Applications
- High-Energy Particle Collisions Research
- Muon and positron interactions and applications
- Distributed and Parallel Computing Systems
- Nuclear reactor physics and engineering
- Parallel Computing and Optimization Techniques
- Particle Accelerators and Free-Electron Lasers
- Advanced Data Storage Technologies
- COVID-19 Clinical Research Studies
- Advanced Thermodynamic Systems and Engines
- SARS-CoV-2 and COVID-19 Research
- Intensive Care Unit Cognitive Disorders
- Quantum Chromodynamics and Particle Interactions
- Photocathodes and Microchannel Plates
- Graphite, nuclear technology, radiation studies
- Long-Term Effects of COVID-19
Oregon State University
2016-2024
Argonne National Laboratory
2022-2024
Oxford University Hospitals NHS Trust
2024
University of Minnesota
2023
University of Cincinnati
2022
Oregon State Hospital
2020-2021
The University of Texas at Arlington
2015-2018
Northwestern University
2015
Fermi National Accelerator Laboratory
2015
The University of Texas at Austin
2013
The sensitivity of the Deep Underground Neutrino Experiment (DUNE) to neutrino oscillation is determined, based on a full simulation, reconstruction, and event selection far detector simulation parameterized analysis near detector. Detailed uncertainties due flux prediction, interaction model, effects are included. DUNE will resolve mass ordering precision 5$\sigma$, for all $\delta_{\mathrm{CP}}$ values, after 2 years running with nominal design beam configuration. It has potential observe...
The Deep Underground Neutrino Experiment (DUNE) is an international, world-class experiment aimed at exploring fundamental questions about the universe that are forefront of astrophysics and particle physics research. DUNE will study pertaining to preponderance matter over antimatter in early universe, dynamics supernovae, subtleties neutrino interaction physics, a number beyond Standard Model topics accessible powerful beam. A critical component program involves changes beam neutrinos,...
The Deep Underground Neutrino Experiment (DUNE), a 40-kton underground liquid argon time projection chamber experiment, will be sensitive to the electron-neutrino flavor component of burst neutrinos expected from next Galactic core-collapse supernova. Such an observation bring unique insight into astrophysics core collapse as well properties neutrinos. general capabilities DUNE for neutrino detection in relevant few- few-tens-of-MeV energy range described. As example, DUNE's ability...
A search for sub-GeV dark matter produced from collisions of the Fermilab 8 GeV Booster protons with a steel beam dump was performed by MiniBooNE-DM Collaboration using data $1.86\ifmmode\times\else\texttimes\fi{}{10}^{20}$ on target in dedicated run. The MiniBooNE detector, consisting 818 tons mineral oil and located 490 meters downstream dump, is sensitive to variety initiated scattering reactions. Three interactions are considered this analysis: elastic off nucleons, inelastic neutral...
The Physics volume of the DUNE far detector (FD) Technical Design Report (TDR) presents science program DUNE. Within, we describe array identified scientific opportunities and key goals. Crucially, also report our best current understanding capability to realize these goals, along with detailed arguments investigations on which this is based. In context complete set TDR volumes, a central role for document basis underlying conception design LBNF/DUNE experimental configurations. As result,...
The ProtoDUNE-SP detector is a single-phase liquid argon time projection chamber with an active volume of $7.2\times 6.0\times 6.9$ m$^3$. It installed at the CERN Neutrino Platform in specially-constructed beam that delivers charged pions, kaons, protons, muons and electrons momenta range 0.3 GeV$/c$ to 7 GeV/$c$. Beam line instrumentation provides accurate momentum measurements particle identification. prototype for first far module Deep Underground Experiment, it incorporates full-size...
The MiniBooNE-DM Collaboration searched for vector-boson mediated production of dark matter using the Fermilab 8-GeV Booster proton beam in a dedicated run with 1.86×10^{20} protons delivered to steel dump. MiniBooNE detector, 490 m downstream, is sensitive via elastic scattering nucleons detector mineral oil. Analysis methods developed previous results were employed, and several constraining data sets simultaneously analyzed minimize systematic errors from neutrino flux interaction rates....
The DUNE IDR describes the proposed physics program and technical designs of Far Detector modules in preparation for full TDR to be published 2019. It is intended as an intermediate milestone on path a TDR, justifying choices that flow down from high-level goals through requirements at all levels Project. These design will enable experiment make ground-breaking discoveries help answer fundamental questions. Volume 1 contains executive summary general aims this document. remainder first...
Abstract The ProtoDUNE-SP detector is a single-phase liquid argon time projection chamber (LArTPC) that was constructed and operated in the CERN North Area at end of H4 beamline. This prototype for first far module Deep Underground Neutrino Experiment (DUNE), which will be Sandford Research Facility (SURF) Lead, South Dakota, U.S.A. incorporates full-size components as designed DUNE has an active volume 7 × 6 7.2 m 3 . beam delivers incident particles with well-measured momenta high-purity...
Abstract Scattering of high energy particles from nucleons probes their structure, as was done in the experiments that established non-zero size proton using electron beams 1 . The use charged leptons scattering enables measuring distribution electric charges, which is encoded vector form factors nucleon 2 weakly interacting neutrinos gives opportunity to measure both and axial nucleon, providing an additional, complementary probe structure. transition factor, F A , can be measured neutrino...
Abstract DUNE is an international experiment dedicated to addressing some of the questions at forefront particle physics and astrophysics, including mystifying preponderance matter over antimatter in early universe. The dual-site will employ intense neutrino beam focused on a near far detector as it aims determine mass hierarchy make high-precision measurements PMNS matrix parameters, CP-violating phase. It also stand ready observe supernova bursts, seeks nucleon decay signature grand...
ProtoDUNE-SP is the single-phase DUNE Far Detector prototype that under construction and will be operated at CERN Neutrino Platform (NP) starting in 2018. ProtoDUNE-SP, a crucial part of effort towards first 10-kt fiducial mass far detector module (17 kt total LAr mass), significant experiment its own right. With liquid argon (LAr) 0.77 kt, it represents largest monolithic LArTPC to built date. It's technical design given this report.
The preponderance of matter over antimatter in the early Universe, dynamics supernova bursts that produced heavy elements necessary for life and whether protons eventually decay --- these mysteries at forefront particle physics astrophysics are key to understanding evolution our its current state eventual fate. Long-Baseline Neutrino Experiment (LBNE) represents an extensively developed plan a world-class experiment dedicated addressing questions. LBNE is conceived around three central...
Elastic neutrino scattering on electrons is a precisely-known purely leptonic process that provides standard candle for measuring flux in conventional beams. Using total sample of 810 neutino-electron scatters after background subtraction, the measurement reduces normalization uncertainty muon NuMI between 2 and 20 GeV from 7.5% to 3.9%. This most precise neutrino-electron date, will reduce uncertainties MINERvA's absolute cross section measurements, demonstrates technique can be used future...
The preponderance of matter over antimatter in the early universe, dynamics supernovae that produced heavy elements necessary for life, and whether protons eventually decay -- these mysteries at forefront particle physics astrophysics are key to understanding evolution our its current state, eventual fate. Deep Underground Neutrino Experiment (DUNE) is an international world-class experiment dedicated addressing questions as it searches leptonic charge-parity symmetry violation, stands ready...
MINERvA presents a new analysis of neutrino induced quasielastic-like interactions in hydrocarbon tracking target. We report double-differential cross section using the muon transverse and longitudinal momentum. In addition, differential sections as function square four-momentum transferred energy are calculated quasielastic hypothesis. Finally, an deposited near interaction vertex is presented. These results compared to modified GENIE predictions well NuWro prediction. All use dataset...
Abstract The Deep Underground Neutrino Experiment (DUNE) will be a powerful tool for variety of physics topics. high-intensity proton beams provide large neutrino flux, sampled by near detector system consisting combination capable precision detectors, and the massive far located deep underground. This configuration sets up DUNE as machine discovery, it enables opportunities not only to perform measurements that may uncover deviations from present three-flavor mixing paradigm, but also...
The Deep Underground Neutrino Experiment is a next-generation neutrino oscillation experiment that aims to measure $CP$-violation in the sector as part of wider physics program. A deep learning approach based on convolutional neural network has been developed provide highly efficient and pure selections electron muon charged-current interactions. (antineutrino) selection efficiency peaks at 90% (94%) exceeds 85% (90%) for reconstructed energies between 2-5 GeV. event found have maximum 96%...
We present double-differential measurements of antineutrino charged-current quasielastic scattering in the MINERvA detector. This study improves on a previous single-differential measurement by using updated reconstruction algorithms and interaction models provides complete description observed muon kinematics form cross section with respect to transverse longitudinal momentum. include our signal definition zero-meson final states arising from multinucleon interactions resonant pion...
The preponderance of matter over antimatter in the early universe, dynamics supernovae that produced heavy elements necessary for life, and whether protons eventually decay—these mysteries at forefront particle physics astrophysics are key to understanding evolution our its current state, eventual fate. Deep Underground Neutrino Experiment (DUNE) is an international world-class experiment dedicated addressing these questions as it searches leptonic charge-parity symmetry violation, stands...
We measure neutrino charged-current quasielasticlike scattering on hydrocarbon at high statistics using the wideband Neutrinos Main Injector beam with energy peaked 6 GeV. The double-differential cross section is reported in terms of muon longitudinal (p_{∥}) and transverse (p_{⊥}) momentum. Cross contours versus lepton momentum components are approximately described by a conventional generator-based simulation, however, discrepancies observed for momenta above 0.5 GeV/c ranges 3-5 9-20...
A primary goal of the upcoming Deep Underground Neutrino Experiment (DUNE) is to measure $\mathcal{O}(10)$ MeV neutrinos produced by a Galactic core-collapse supernova if one should occur during lifetime experiment. The liquid-argon-based detectors planned for DUNE are expected be uniquely sensitive $\nu_e$ component flux, enabling wide variety physics and astrophysics measurements. key requirement correct interpretation these measurements good understanding energy-dependent total cross...
The Module-0 Demonstrator is a single-phase 600 kg liquid argon time projection chamber operated as prototype for the DUNE near detector. Based on ArgonCube design concept, features novel 80k-channel pixelated charge readout and advanced high-coverage photon detection system. In this paper, we present an analysis of eight-day data set consisting 25 million cosmic ray events collected in spring 2021. We use sample to demonstrate imaging performance light systems well signal correlations...