A5101722253- 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
- Neutrino Physics Research
- Cosmology and Gravitation Theories
- Radiation Detection and Scintillator Technologies
- Particle Accelerators and Free-Electron Lasers
- Medical Imaging Techniques and Applications
- Atomic and Subatomic Physics Research
- Distributed and Parallel Computing Systems
- Superconducting Materials and Applications
- Black Holes and Theoretical Physics
- Advanced Data Storage Technologies
- Astrophysics and Cosmic Phenomena
- Nuclear physics research studies
- Photocathodes and Microchannel Plates
- Big Data Technologies and Applications
- Synthesis and properties of polymers
- Metastasis and carcinoma case studies
- Mechanical Circulatory Support Devices
- Advancements in Semiconductor Devices and Circuit Design
- Blood donation and transfusion practices
Osaka University
2012-2025
University of Tsukuba
2020-2025
Sapporo Medical University
2025
Sunagawa City Medical Center
2025
Institute for High Energy Physics
2023-2024
University of Manchester
2023-2024
Institute of Science and Technology
2023-2024
University of Geneva
2023-2024
A. Alikhanyan National Laboratory
2024
SR Research (Canada)
2024
We report the first measurement of $\ensuremath{\tau}$ lepton polarization ${P}_{\ensuremath{\tau}}({D}^{*})$ in decay $\overline{B}\ensuremath{\rightarrow}{D}^{*}{\ensuremath{\tau}}^{\ensuremath{-}}{\overline{\ensuremath{\nu}}}_{\ensuremath{\tau}}$ as well a new ratio branching fractions...
We report a measurement of the ratio ${\cal R}(D^*) = {\cal B}(\bar{B}^0 \rightarrow D^{*+} \tau^- \bar{\nu}_{\tau})/{\cal \ell^- \bar{\nu}_{\ell})$, where $\ell$ denotes an electron or muon. The results are based on data sample containing $772\times10^6$ $B\bar{B}$ pairs recorded at $\Upsilon(4S)$ resonance with Belle detector KEKB $e^+ e^-$ collider. select $B^0 \bar{B}^0$ by reconstructing both $B$ mesons in semileptonic decays to $D^{*\mp} \ell^{\pm}$. measure R}(D^*)= 0.302 \pm...
We present the physics program of Belle II experiment, located on intensity frontier SuperKEKB $e^+e^-$ collider. collected its first collisions in 2018, and is expected to operate for next decade. It anticipated collect 50/ab collision data over lifetime. This book outcome a joint effort collaborators theorists through theory interface platform (B2TiP), an that commenced 2014. The aim B2TiP was elucidate potential impacts program, which includes wide scope topics: B physics, charm, tau,...
In the original version of this manuscript, an error was introduced on pp352. '2.7nb:1.6nb' has been corrected to '2.4nb:1.3nb' in current online and printed version. doi:10.1093/ptep/ptz106.
With the full data sample of $772 \times 10^6$ $B{\bar B}$ pairs recorded by Belle detector at KEKB electron-positron collider, decay $\bar{B} \rightarrow D^* \tau^- \bar{\nu}_\tau$ is studied with hadronic $\tau$ decays $\tau^- \pi^- \nu_\tau$ and \rho^- \nu_\tau$. The polarization $P_\tau(D^*)$ in two-body measured, as well ratio branching fractions $R(D^{*}) = \mathcal{B}(\bar {B} \bar{\nu}_\tau) / \mathcal{B}(\bar{B} \ell^- \bar{\nu}_\ell)$, where $\ell^-$ denotes an electron or a muon....
At the Mainz Microtron MAMI, first high-resolution pion spectroscopy from decays of strange systems was performed by electron scattering off a (9)Be target in order to study Λ binding energy light hypernuclei. Positively charged kaons were detected short-orbit spectrometer with broad momentum acceptance at 0° forward angles respect beam, efficiently tagging production strangeness nucleus. Coincidentally, negatively decay pions two independent spectrometers. About 10(3) pionic weak...
Abstract The ATLAS experiment is constructing new all-silicon inner tracking system for HL-LHC. strip detectors cover the radial extent of 40 to 100 cm. A approach adopted use p-type silicon material, making readout in n + -strips, so-called -in-p sensors. This allows enhanced radiation tolerance against an order magnitude higher particle fluence compared LHC. To cope with varying hit rates and occupancies as a function distance, there are two barrel sensor types, short strips (SS) 2 long...
We report the first observation of spontaneous polarization $\mathrm{\ensuremath{\Lambda}}$ and $\overline{\mathrm{\ensuremath{\Lambda}}}$ hyperons transverse to production plane in ${e}^{+}{e}^{\ensuremath{-}}$ annihilation, which is attributed effect arising from a polarizing fragmentation function. For inclusive $\mathrm{\ensuremath{\Lambda}}/\overline{\mathrm{\ensuremath{\Lambda}}}$ production, we also results with subtracted feed-down contributions ${\mathrm{\ensuremath{\Sigma}}}^{0}$...
Using data recorded with the Belle detector, we observe a new excited hyperon, an Ω^{*-} candidate decaying into Ξ^{0}K^{-} and Ξ^{-}K_{S}^{0} mass of 2012.4±0.7(stat)±0.6(syst) MeV/c^{2} width Γ=6.4_{-2.0}^{+2.5}(stat)±1.6(syst) MeV. The is seen primarily in ϒ(1S),ϒ(2S), ϒ(3S) decays.
We report the discovery of ${\mathrm{\ensuremath{\Xi}}}_{c}(3055{)}^{0}$, observed by its decay into final-state $\mathrm{\ensuremath{\Lambda}}{D}^{0}$, and present first observation evidence decays ${\mathrm{\ensuremath{\Xi}}}_{c}(3055{)}^{+}$ ${\mathrm{\ensuremath{\Xi}}}_{c}(3080{)}^{+}$ $\mathrm{\ensuremath{\Lambda}}{D}^{+}$. also perform a combined analysis $\mathrm{\ensuremath{\Lambda}}{D}^{+}$ with ${\mathrm{\ensuremath{\Sigma}}}_{c}^{++}{K}^{\ensuremath{-}}$...
We report the first observation of double strange baryon Ξ(1620)^{0} in its decay to Ξ^{-}π^{+} via Ξ_{c}^{+}→Ξ^{-}π^{+}π^{+} decays based on a 980 fb^{-1} data sample collected with Belle detector at KEKB asymmetric-energy e^{+}e^{-} collider. The mass and width are measured be 1610.4±6.0(stat)_{-4.2}^{+6.1} (syst) MeV/c^{2} 59.9±4.8(stat)_{-7.1}^{+2.8}(syst) MeV, respectively. obtain 4.0σ evidence Ξ(1690)^{0} same sample. These results shed light structure hyperon resonances strangeness S=-2.
Abstract The objective of the study is to evaluate evolution performance new ATLAS Inner-Tracker (ITk) strip sensors as a function radiation exposure, ensure proper operation upgraded detector during lifetime High-Luminosity Large Hadron Collider (HL-LHC). Full-size ITk Barrel Short-Strip (SS) with final layout design, ATLAS18SS, have been irradiated neutrons and gammas, confirm results obtained prototypes miniature development phase. irradiations cover wide range fluences doses that will...
Abstract Background The brain pathophysiology of social dysfunctions in depression and autism spectrum disorder are complex, there is a growing need to understand the relevant neuronal circuit alterations find direct effective treatments for their recoveries. Aims & Objectives In this study, we have investigated influences bone marrow-derived mesenchymal stem cell (MSC) transplantation Japanese Kampo medicine, Kamikihito on behaviors as novel treatment options intractable psychiatric...
The production of strip sensors for the ATLAS Inner Tracker (ITk) started in 2021. Since then, a Quality Assurance (QA) program has been carried out continuously, by using specific test structures, parallel to Control (QC) inspection sensors. QA consists monitoring sensor-specific characteristics and technological process variability, before after irradiation with gammas, neutrons, protons. After two years, half full volume reached we present an analysis parameters measured as part process....
We present the measurement of absolute branching fractions ${B}^{+}\ensuremath{\rightarrow}{X}_{c\overline{c}}{K}^{+}$ and ${B}^{+}\ensuremath{\rightarrow}{\overline{D}}^{(*)0}{\ensuremath{\pi}}^{+}$ decays, using a data sample $772\ifmmode\times\else\texttimes\fi{}{10}^{6}\text{ }\text{ }B\overline{B}$ pairs collected at $\mathrm{\ensuremath{\Upsilon}}(4S)$ resonance with Belle detector KEKB asymmetric-energy ${e}^{+}{e}^{\ensuremath{-}}$ collider. Here, ${X}_{c\overline{c}}$ denotes...
We report evidence for the charged charmed-strange baryon $\Xi_{c}(2930)^+$ with a signal significance of 3.9$\sigma$ systematic errors included. The is found in its decay to $K_{S}^{0} \Lambda_{c}^+$ substructure $\bar{B}^{0} \to K^{0}_{S} \Lambda_{c}^{+} \bar{\Lambda}_{c}^{-}$ decays. measured mass and width are $[2942.3 \pm 4.4 (\rm stat.) 1.5(\rm syst.)]$~MeV/$c^{2}$ $[14.8 8.8(\rm 2.5(\rm syst.)]$~MeV, respectively, product branching fraction $\cal{B}(\bar{B}^{0} \Xi_c(2930)^{+}...
We report the first evidence for isospin violation in $B\ensuremath{\rightarrow}{K}^{*}\ensuremath{\gamma}$ and measurement of difference $CP$ asymmetries between ${B}^{+}\ensuremath{\rightarrow}{K}^{*+}\ensuremath{\gamma}$ ${B}^{0}\ensuremath{\rightarrow}{K}^{*0}\ensuremath{\gamma}$. This analysis is based on data sample containing $772\ifmmode\times\else\texttimes\fi{}{10}^{6}B\overline{B}$ pairs that was collected with Belle detector at KEKB energy-asymmetric ${e}^{+}{e}^{\ensuremath{-}}$...
The triaxial deformation in $^{10}$Be is investigated using a microscopic $\alpha+\alpha+n+n$ model. states of two valence neutrons are classified based on the molecular-orbit (MO) model, and $\pi$-orbit introduced about axis connecting $\alpha$-clusters for description rotational bands. There appear bands comprised mainly $K^\pi = 0^+$ 2^+$, respectively, at low excitation energy, where occupy 3/2^-$ or 1/2^-$ orbits. triaxiality $K$-mixing discussed connection to molecular structure,...
The ATLAS experiment will replace its existing Inner Detector with the new all-silicon Tracker (ITk) to cope operating conditions of forthcoming high-luminosity phase LHC (HL-LHC). outer regions ITk be instrumented ∼18000 ATLAS18 strip sensors fabricated by Hamamatsu Photonics K.K. (HPK). With launch full-scale sensor production in 2021, community has undertaken quality control (QC) testing these ensure compliance mechanical and electrical specifications agreed HPK. is conducted at seven QC...
As a part of ongoing studies in parallel to ITk Strip Sensor Production quality control (QC) and assurance (QA), diodes fabricated as test structures were measured using Deep-Level Transient Spectroscopy (DLTS). This was done understand an anomalously large leakage current observed main sensors, improve the precision sensor simulations well compile more complete model radiation damage Sensors. Utilising DLTS spectra with varying parameters, trap energy levels cross-sections associated...