T. Kawaguchi

ORCID: 0000-0002-9124-788X
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About
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Research Areas
  • Particle physics theoretical and experimental studies
  • High-Energy Particle Collisions Research
  • Particle Detector Development and Performance
  • Quantum Chromodynamics and Particle Interactions
  • Dark Matter and Cosmic Phenomena
  • Computational Physics and Python Applications
  • Cosmology and Gravitation Theories
  • Neutrino Physics Research
  • Particle Accelerators and Free-Electron Lasers
  • Distributed and Parallel Computing Systems
  • Radiation Detection and Scintillator Technologies
  • Astrophysics and Cosmic Phenomena
  • Advanced Data Storage Technologies
  • Medical Imaging Techniques and Applications
  • Atomic and Subatomic Physics Research
  • Superconducting Materials and Applications
  • Digital Radiography and Breast Imaging
  • Thermodynamic properties of mixtures
  • Chemical and Physical Properties in Aqueous Solutions
  • Black Holes and Theoretical Physics
  • Spectroscopy and Quantum Chemical Studies
  • Intracerebral and Subarachnoid Hemorrhage Research
  • Big Data Technologies and Applications
  • Quantum many-body systems
  • Neurological Disease Mechanisms and Treatments

Toyohashi Municipal Hospital
2025

Nagoya University
2017-2024

Obayashi (Japan)
2019-2024

New York University
2024

University of Tsukuba
2024

Argonne National Laboratory
2019-2023

University of Bergen
2023

University of Koblenz and Landau
2023

University of Kaiserslautern
2023

European Organization for Nuclear Research
2023

KamLAND has measured the flux of nu;(e)'s from distant nuclear reactors. We find fewer nu;(e) events than expected standard assumptions about propagation at 99.95% C.L. In a 162 ton.yr exposure ratio observed inverse beta-decay to number without disappearance is 0.611+/-0.085(stat)+/-0.041(syst) for energies >3.4 MeV. context two-flavor neutrino oscillations with CPT invariance, all solutions solar problem except "large mixing angle" region are excluded.

10.1103/physrevlett.90.021802 article EN Physical Review Letters 2003-01-17

Abstract We present the performance of a full-length prototype ALICE Forward Calorimeter (FoCal). The detector is composed silicon-tungsten electromagnetic sampling calorimeter with longitudinal and transverse segmentation (FoCal-E) about 20 X 0 hadronic copper-scintillating-fiber (FoCal-H) 5 λ int . data were taken in various test beam campaigns between 2021 2023 at CERN PS SPS lines hadron beams up to energies 350 GeV, electron 300 GeV. Regarding FoCal-E, we report comprehensive analysis...

10.1088/1748-0221/19/07/p07006 article EN cc-by Journal of Instrumentation 2024-07-01

The surgical techniques for treatment of chronic subdural hematoma (CSDH), a common neurosurgical condition, have been discussed in lot clinical literature. However, the recurrence proportion after CSDH surgery remains high, ranging from 10 to 20%. standard procedure involves craniostomy evacuate hematoma, but irrigating cavity during is debatable. authors hypothesized that choice irrigation fluid might be key factor affecting outcomes surgery. This multicenter randomized controlled trial...

10.1186/s13063-023-07889-7 article EN cc-by Trials 2024-01-02

Recent field-programmable gate arrays (FPGAs) based on flash memories offer a high radiation tolerance. We discuss potential applications of the Microsemi IGLOO2 FPGAs in energy experiments. implement 24 channel time-to-digital converter with time binning 0.78 ns and evaluate performance. Differential integral non-linearity is measured to be far below binning. The resolution obtained approximately 0.25 ns. FPGA was exposed gamma rays total ionizing dose 300 Gy. function configuration memory...

10.1088/1748-0221/12/04/c04002 article EN cc-by Journal of Instrumentation 2017-04-03

We present the performance of a full-length prototype ALICE Forward Calorimeter (FoCal). The detector is composed silicon-tungsten electromagnetic sampling calorimeter with longitudinal and transverse segmentation (FoCal-E) about 20$X_0$ hadronic copper-scintillating-fiber (FoCal-H) 5$λ_{\rm int}$. data were taken between 2021 2023 at CERN PS SPS beam lines hadron (electron) beams up to energies 350 (300) GeV. Regarding FoCal-E, we report comprehensive analysis its response minimum ionizing...

10.48550/arxiv.2311.07413 preprint EN cc-by arXiv (Cornell University) 2023-01-01

We studied the renormalization-scheme (RS) dependence of perturbative QCD calculations, especially moments structure functions, in light consistency requirement truncated perturbation theory. Our findings are that (i) higher order contributions always important and non-negligible from a viewpoint theoretical consistency, (ii) as far we cannot find “physical RS”, no reliable predictions might be obtained.

10.1143/ptp.68.589 article EN Progress of Theoretical Physics 1982-08-01

Objective: While the effectiveness of thrombectomy for anterior circulation proximal intracranial arterial occlusions has been established, there is no solid evidence concerning its therapeutic effect on acute ischemic stroke due to middle cerebral artery M2 occlusion. In this study, we evaluated efficacy and safety a direct aspiration first pass technique (ADAPT) using Penumbra 4MAX catheters (4MAX; Medico’s Hirata Inc., Osaka, Japan)

10.5797/jnet.oa.2018-0041 article EN cc-by-nc-nd Journal of Neuroendovascular Therapy 2018-10-10

The rare decays of the Standard Model (SM) Higgs boson and additional are searched for with data recorded by ATLAS experiment during LHC pp collision run at 13 TeV corresponding to an integrated luminosity 139 fb -1 .For search dimuon decay SM boson, observed (expected) significance is 2.0σ (1.7σ), signal strength 1.2 ± 0.6.For Zγ 2.2σ (1.2σ), 2.0 +1.0 -0.9 new heavy resonance decaying into photon pairs, mass range has reached 3 no significant deviation from observed.These searches provide...

10.1088/1402-4896/ac0f91 article EN Physica Scripta 2021-07-12

The High-Luminosity LHC is planned to start the operation in 2026 with increased luminosity of about $5\times10^{34}\ \mathrm{cm^{-2}s^{-1}}$ order provide more precise measurements standard model processes and extend reach for new particles. trigger readout electronics ATLAS experiment are be replaced by ones cope higher event rate at LHC. end-cap muon plans select events using deflection angle between segments before after magnetic field. Thin Gap Chamber (TGC) provides field 3 mrad...

10.22323/1.294.0065 article EN cc-by-nc-nd 2017-11-22
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