H. Tanigawa

ORCID: 0000-0003-3681-9985
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About
Contact & Profiles
Research Areas
  • Particle physics theoretical and experimental studies
  • Particle Detector Development and Performance
  • Quantum Chromodynamics and Particle Interactions
  • Radiation Detection and Scintillator Technologies
  • High-Energy Particle Collisions Research
  • Dark Matter and Cosmic Phenomena
  • Particle Accelerators and Free-Electron Lasers
  • Neutrino Physics Research
  • Black Holes and Theoretical Physics
  • Geophysical Methods and Applications
  • Atomic and Subatomic Physics Research
  • Computational Physics and Python Applications
  • CCD and CMOS Imaging Sensors
  • Medical Imaging Techniques and Applications
  • Astrophysics and Cosmic Phenomena
  • Infrastructure Maintenance and Monitoring
  • Nuclear Physics and Applications
  • Quantum and Classical Electrodynamics
  • Ultrasonics and Acoustic Wave Propagation
  • Nuclear reactor physics and engineering
  • Distributed and Parallel Computing Systems
  • Superconducting Materials and Applications
  • Electrostatic Discharge in Electronics
  • Geotechnical Engineering and Underground Structures
  • Technology and Data Analysis

Max Planck Institute for Physics
2023-2024

Institute of High Energy Physics
2019-2024

Austrian Academy of Sciences
2019-2024

Railway Technical Research Institute
2023-2024

The University of Tokyo
2019-2023

Indian Institute of Technology Bhubaneswar
2023

Tata Institute of Fundamental Research
2023

Nikki-Universal (Japan)
2020

Niigata University
2019

Indian Institute of Technology Madras
2018

The Belle II experiment started data-taking in March 2019. silicon vertex detector (SVD), part of the tracking system, has been operating smoothly and reliably. data quality confirmed through various metrics such as a good signal-to-noise ratio precise spatial resolution. radiation damage effects have continuously monitored, showing agreement with our expectations. So far, no harmful impact due to on performance observed. Additionally, tolerance SVD sensors for future high-luminosity runs...

10.22323/1.449.0550 article EN cc-by-nc-nd Proceedings of The European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2021) 2023-12-14

In spring 2019 the fully equipped Belle II experiment started data taking at energy of Y(4S) resonance. The new vertex detector (VXD) consists two inner layers DEPFET pixels (PXD) and four outer double-sided silicon strip detectors (SVD). It plays a crucial role in recording high-quality high-luminosity environment SuperKEKB collider, characterized by severe beam backgrounds. SVD was operated reliably during physics run, showing high stability noise levels calibration parameters....

10.22323/1.390.0718 article EN cc-by-nc-nd Proceedings of The 39th International Conference on High Energy Physics — PoS(ICHEP2018) 2021-04-14

We report a particle identification (PID) tool developed using energy-loss information in the siliconstrip vertex detector (SVD) of Belle II for charged pions, kaons, and protons D * + → 0 [→ K -π ]π Λ pπ -decay samples.The study is based on e -collision data recorded at Υ(4S ) resonance by results are compared with that Monte Carlo sample.The introduction additional from SVD found to improve overall PID performance low-momentum region.

10.7566/jpscp.34.010018 preprint EN 2021-06-09

The Belle II experiment at the SuperKEKB collider KEK, Tsukuba, Japan has successfully started taking data with full detector in March 2019. is a luminosity frontier of new generation to search for physics beyond Standard Model elementary particles, from precision measurements huge number B and charm mesons tau leptons. In order read out events high rate seven subdetectors II, we adopt highly unified readout system, including trigger timing distribution system (TTD), speed link (Belle2link),...

10.1109/tns.2021.3084826 article EN IEEE Transactions on Nuclear Science 2021-05-28

At the High Energy Accelerator Research Organization (KEK) in Tsukuba, Japan, double-sided silicon strip sub-detector of Belle II experiment is read out by 1748 APV25 chips. FPGAs perform several calculations on digitized signals. One them will be "Hit Time Finding": determination time and amplitude signal peaks each event real using pre-programmed neural networks. This work analyses possibility, precision reliability these depending various parameters.

10.22323/1.343.0065 article EN cc-by-nc-nd 2019-05-21

The Belle II experiment, which is situated at the interaction point of SuperKEKB $e^+e^{-}$ collider KEK, Tsukuba, Japan, expected to collect data corresponding an integrated luminosity 50~ab$^{- 1}$. This set will be sensitive beyond-the-standard-model physics via precision measurements and searches for very rare decays. At its heart lies a six-layer vertex detector consisting two layers pixel detectors (PXD) four double-sided silicon microstrip (SVD). Precise vertexing as provided by this...

10.22323/1.348.0051 article EN cc-by-nc-nd 2019-09-03

The Belle II experiment at the SuperKEKB asymmetric-energy $e ^{+} e^{−}$ collider in KEK, Japan will operate an instantaneous luminosity of $8 \times 10^{35} cm^{−2} s^{−1}$, which is about 40 times larger than that its predecessor, Belle. It built with aim collecting a huge amount data corresponding to integrated $50 ab^{−1}$ by 2025 for precise measurements CP violation and searches new physics, such as flavor-changing neutral currents, probing charged Higgs, sources violation,...

10.22323/1.348.0052 article EN cc-by-nc-nd 2019-09-03
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