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T. Koga

Identifiers

  • name variant T. Koga 0.60 · backfill

Papers (95)

  1. First evidence of $X(3872)\to\pi^0\chi_{c0}(1P)$ and search for $X(3915)\to\pi^0\chi_{c1}(1P)$ hep-ex · 2026 · author #177
  2. Measurement of mixing-induced CP violation in the decay $B^0 \to \pi^0 \pi^0$ hep-ex · 2026 · author #194
  3. Measurement of time-dependent $CP$ violation parameters in $B^{0} \to K_{S}^{0} \pi^{0} \gamma$ decays at Belle and Belle II hep-ex · 2026 · author #183
  4. Search for $\Xi^0p$, $\Omega^- p$, and $\Omega^- n$ dibaryons in $\Upsilon(1S)$ and $\Upsilon(2S)$ decays at Belle hep-ex · 2026 · author #162
  5. Observation of the radiative decay $D_s (2317)^+ \to D_s^* \gamma$ hep-ex · 2025 · author #163
  6. Improved measurement of Born cross sections for $\chi_{bJ}\,\omega$ and $\chi_{bJ}\,(\pi^+\pi^-\pi^0)_{\rm non-\omega}$ ($J$ = 0, 1, 2) at Belle and Belle II hep-ex · 2025 · author #181
  7. Search for $e^+ e^- \to \gamma\chi_{bJ}$ ($J$ = 0, 1, 2) near $\sqrt{s} = 10.746$ GeV at Belle II hep-ex · 2025 · author #173
  8. Search for the lepton-flavor-violating $\tau^{-} \rightarrow e^{\mp} \ell^{\pm} \ell^{\mp}$ decays at Belle II hep-ex · 2025 · author #196
  9. Measurement of $B \to K{}^{*}(892)\gamma$ decays at Belle II hep-ex · 2024 · author #191
  10. Measurement of branching-fraction ratios and $CP$ asymmetries in $B^{\pm} \to D_{CP\pm}K^{\pm}$ decays at Belle and Belle II hep-ex · 2023 · author #186
  11. Measurement of $CP$ asymmetries in $B^0\to \phi K^0_S$ decays with Belle II hep-ex · 2023 · author #184
  12. Search for a $\tau^+\tau^-$ resonance in $e^{+}e^{-}\rightarrow \mu^{+}\mu^{-} \tau^+\tau^-$ events with the Belle II experiment hep-ex · 2023 · author #198
  13. Measurement of $C\!P$ asymmetries and branching-fraction ratios for $B^\pm \to DK^\pm$ and $D\pi^\pm$ with $D\to K^0_{\rm S} K^\pm\pi^\mp$ using Belle and Belle II data hep-ex · 2023 · author #176
  14. Measurement of the $\tau$-lepton mass with the Belle~II experiment hep-ex · 2023 · author #185
  15. Novel method for the identification of the production flavor of neutral charmed mesons hep-ex · 2023 · author #176
  16. Measurement of the branching fraction and $\it CP$ asymmetry of $B^{0} \rightarrow \pi^{0} \pi^{0}$ decays using $198 \times 10^6$ $B\overline{B}$ pairs in Belle II data hep-ex · 2023 · author #180
  17. Search for Lepton-Flavor-Violating $\tau$ Decays to a Lepton and an Invisible Boson at Belle II hep-ex · 2022 · author #168
  18. Search for an invisible $Z^\prime$ in a final state with two muons and missing energy at Belle II hep-ex · 2022 · author #164
  19. Observation of $e^+e^-\to\omega\chi_{bJ}(1P)$ and search for $X_b \to \omega\Upsilon(1S)$ at $\sqrt{s}$ near 10.75 GeV hep-ex · 2022 · author #152
  20. Measurement of the $\Omega_c^0$ lifetime at Belle II hep-ex · 2022 · author #153
  21. Search for a dark photon and an invisible dark Higgs boson in $\mu^+\mu^-$ and missing energy final states with the Belle II experiment hep-ex · 2022 · author #159
  22. Exclusive $B \to X_u \ell \nu_\ell$ Decays with Hadronic Full-event-interpretation Tagging in 62.8 fb$^{-1}$ of Belle II Data hep-ex · 2021 · author #238
  23. Combined analysis of Belle and Belle II data to determine the CKM angle $ \phi_{3} $ using $B^+ \to D(K_{S}^0 h^- h^+) h^+$ decays hep-ex · 2021 · author #145
  24. Measurements of the branching fractions for $B \to K^{*}\gamma$ decays at Belle II hep-ex · 2021 · author #238
  25. Angular analysis of $B^+ \to \rho^+\rho^0$ decays reconstructed in 2019-2020 Belle II data hep-ex · 2021 · author #231
  26. Measurements of branching fractions and CP-violating charge asymmetries in multibody charmless $B$ decays reconstructed in 2019-2020 Belle II data hep-ex · 2021 · author #231
  27. Precise measurement of the $D^0$ and $D^+$ lifetimes at Belle II hep-ex · 2021 · author #171
  28. Measurement of the branching fraction for $B^{0} \rightarrow \pi^{0} \pi^{0}$ decays reconstructed in 2019-2020 Belle II data hep-ex · 2021 · author #232
  29. Rediscovery of $B^0\to J\mskip 1mu / \psi\mskip 2mu K^0_{\scriptscriptstyle L}$ at Belle II hep-ex · 2021 · author #231
  30. Measurements of branching fractions and direct CP asymmetries in $B^{0}\to K^{+} \pi^{-}$, $B^+ \to K_{\rm S}^0\pi^+$ and $B^0 \to \pi^+\pi^-$ using 2019 and 2020 data hep-ex · 2021 · author #231
  31. Measurement of the time-integrated mixing probability $\chi_d$ with a semileptonic double-tagging strategy and $34.6 {\rm fb}^{-1}$ of Belle II collision data hep-ex · 2021 · author #231
  32. Measurements of branching fractions and direct ${\it CP}$-violating asymmetries in $B^+ \to K^+ \pi^0~\mbox{and}~\pi^+ \pi^0$ decays using 2019 and 2020 Belle II data hep-ex · 2021 · author #231
  33. First search for direct $CP$-violating asymmetry in $B^0 \to K^0 \pi^0$ decays at Belle II hep-ex · 2021 · author #232
  34. Search for $B^{+}\to K^{+}\nu\bar{\nu}$ decays using an inclusive tagging method at Belle II hep-ex · 2021 · author #158
  35. Measurement of the branching fractions of $B\to\eta' K$ decays using 2019/2020 Belle II data hep-ex · 2021 · author #231
  36. Study of $B\to D^{(*)}h$ decays using $62.8~\mathrm{fb}^{-1}$ of Belle II data hep-ex · 2021 · author #231
  37. The trigger slow control system of the Belle II experiment physics.ins-det · 2020 · author #6
  38. Measurements of branching fractions and CP-violating charge asymmetries in charmless $B$ decays reconstructed in 2019--2020 Belle~II data hep-ex · 2020 · author #228
  39. Measurement of Hadronic Mass Moments $\langle M_X^n \rangle $ in $B \rightarrow X_c \ell \nu $ Decays at Belle II hep-ex · 2020 · author #227
  40. Measurement of the semileptonic $\bar{B}^0 \to D^{*+} \ell^{-} \nu_{\ell}$ branching fraction with fully reconstructed $B$ meson decays and 34.6 fb$^{-1}$of Belle II data hep-ex · 2020 · author #227
  41. Exclusive $B^0 \to \pi^- \ell^+ \nu_\ell$ Decays with Hadronic Full Event Interpretation Tagging in 34.6 fb$^{-1}$ of Belle II Data hep-ex · 2020 · author #227
  42. Studies of the semileptonic $\bar B^0\to D^{*+}\ell^-\bar\nu_\ell$ and $B^-\to D^{0}\ell^-\bar\nu_\ell$ decay processes with 34.6 fb$^{-1}$ of Belle II data hep-ex · 2020 · author #228
  43. A calibration of the Belle II hadronic tag-side reconstruction algorithm with $B \rightarrow X\ell \nu$ decays hep-ex · 2020 · author #227
  44. $\tau$ lepton mass measurement at Belle II hep-ex · 2020 · author #226
  45. First measurement of $\bar{\nu}_{\mu}$ and $\nu_{\mu}$ charged-current inclusive interactions on water using a nuclear emulsion detector hep-ex · 2020 · author #12
  46. Rediscovery of $B \to \phi K^{(*)}$ decays and measurement of the longitudinal polarization fraction $f_L$ in $B \to \phi K^{*}$ decays using the Summer 2020 Belle II dataset hep-ex · 2020 · author #226
  47. First flavor tagging calibration using 2019 Belle II data hep-ex · 2020 · author #227
  48. Search for Axion-Like Particles produced in $e^+e^-$ collisions at Belle II hep-ex · 2020 · author #140
  49. Charmless $B$ decay reconstruction in 2019 Belle II data hep-ex · 2020 · author #225
  50. Measurement of the $B^0$ lifetime using fully reconstructed hadronic decays in the 2019 Belle II dataset hep-ex · 2020 · author #225
  51. Measurements of $\bar{\nu}_{\mu}$ and $\bar{\nu}_{\mu} + \nu_{\mu}$ charged-current cross-sections without detected pions nor protons on water and hydrocarbon at mean antineutrino energy of 0.86 GeV hep-ex · 2020 · author #152
  52. Measurement of the branching fraction ${\cal B}(\bar B^0\to D^{*+}\ell^-\bar\nu_\ell)$ with early Belle II data hep-ex · 2020 · author #225
  53. Simultaneous measurement of the muon neutrino charged-current cross section on oxygen and carbon without pions in the final state at T2K hep-ex · 2020 · author #136
  54. Measurement of the charged-current electron (anti-)neutrino inclusive cross-sections at the T2K off-axis near detector ND280 hep-ex · 2020 · author #149
  55. First combined measurement of the muon neutrino and antineutrino charged-current cross section without pions in the final state at T2K hep-ex · 2020 · author #144
  56. Search for an invisibly decaying $Z^{\prime}$ boson at Belle II in $e^+ e^- \to \mu^+ \mu^- (e^{\pm} \mu^{\mp})$ plus missing energy final states hep-ex · 2019 · author #154
  57. Search for Electron Antineutrino Appearance in a Long-baseline Muon Antineutrino Beam hep-ex · 2019 · author #139
  58. Measurement of neutrino and antineutrino neutral-current quasielastic-like interactions on oxygen by detecting nuclear de-excitation $\gamma$-rays hep-ex · 2019 · author #134
  59. Measurement of the integrated luminosity of the Phase 2 data of the Belle II experiment hep-ex · 2019 · author #178
  60. Constraint on the Matter-Antimatter Symmetry-Violating Phase in Neutrino Oscillations hep-ex · 2019 · author #135
  61. Measurement of the muon neutrino charged-current single $\pi^+$ production on hydrocarbon using the T2K off-axis near detector ND280 hep-ex · 2019 · author #152
  62. First Measurement of the Charged Current $\overline{\nu}_{\mu}$ Double Differential Cross Section on a Water Target without Pions in the final state hep-ex · 2019 · author #130
  63. Measurement of the $\nu_{\mu}$ charged-current cross sections on water, hydrocarbon, iron, and their ratios with the T2K on-axis detectors hep-ex · 2019 · author #126
  64. Search for heavy neutrinos with the T2K near detector ND280 hep-ex · 2019 · author #128
  65. Search for light sterile neutrinos with the T2K far detector Super-Kamiokande at a baseline of 295 km hep-ex · 2019 · author #127
  66. Search for neutral-current induced single photon production at the ND280 near detector in T2K hep-ex · 2019 · author #126
  67. Search for CP violation in Neutrino and Antineutrino Oscillations by the T2K experiment with $2.2\times10^{21}$ protons on target hep-ex · 2018 · author #128
  68. Characterisation of nuclear effects in muon-neutrino scattering on hydrocarbon with a measurement of final-state kinematics and correlations in charged-current pionless interactions at T2K hep-ex · 2018 · author #123
  69. Measurement of inclusive double-differential $\nu_\mu$ charged-current cross section with improved acceptance in the T2K off-axis near detector hep-ex · 2018 · author #122
  70. First measurement of the $\nu_{\mu}$ charged-current cross section without pions in the final state on a water target hep-ex · 2017 · author #124
  71. Measurement of neutrino and antineutrino oscillations by the T2K experiment including a new additional sample of $\nu_e$ interactions at the far detector hep-ex · 2017 · author #118
  72. Measurement of $\bar{\nu}_{\mu}$ and $\nu_{\mu}$ charged current inclusive cross sections and their ratio with the T2K off-axis near detector hep-ex · 2017 · author #118
  73. Baby MIND: A magnetized segmented neutrino detector for the WAGASCI experiment physics.ins-det · 2017 · author #21
  74. Baby MIND Experiment Construction Status physics.ins-det · 2017 · author #21
  75. Baby MIND: A magnetised spectrometer for the WAGASCI experiment physics.ins-det · 2017 · author #21
  76. Measurement of the single $\pi^0$ production rate in neutral current neutrino interactions on water hep-ex · 2017 · author #145
  77. Updated T2K measurements of muon neutrino and antineutrino disappearance using 1.5e21 protons on target hep-ex · 2017 · author #125
  78. First demonstration of emulsion multi-stage shifter for accelerator neutrino experiment in J-PARC T60 physics.ins-det · 2017 · author #18
  79. First neutrino event detection with nuclear emulsion at J-PARC neutrino beamline hep-ex · 2017 · author #17
  80. Search for Lorentz and CPT violation using sidereal time dependence of neutrino flavor transitions over a short baseline hep-ex · 2017 · author #143
  81. First combined analysis of neutrino and antineutrino oscillations at T2K hep-ex · 2017 · author #123
  82. Proposal for an Extended Run of T2K to $20\times10^{21}$ POT hep-ex · 2016 · author #127
  83. Sensitivity of the T2K accelerator-based neutrino experiment with an Extended run to $20\times10^{21}$ POT hep-ex · 2016 · author #125
  84. First Measurement of the Muon Neutrino Charged Current Single Pion Production Cross Section on Water with the T2K Near Detector hep-ex · 2016 · author #139
  85. Measurement of coherent $\pi^{+}$ production in low energy neutrino-Carbon scattering hep-ex · 2016 · author #137
  86. Measurement of double-differential muon neutrino charged-current interactions on C$_8$H$_8$ without pions in the final state using the T2K off-axis beam hep-ex · 2016 · author #132
  87. Measurement of Muon Antineutrino Oscillations with an Accelerator-Produced Off-Axis Beam hep-ex · 2015 · author #133
  88. Measurement of the muon neutrino inclusive charged-current cross section in the energy range of 1-3 GeV with the T2K INGRID detector hep-ex · 2015 · author #128
  89. Measurement of the Electron Neutrino Charged-current Interaction Rate on Water with the T2K ND280 pi-zero Detector hep-ex · 2015 · author #145
  90. Measurement of the $\nu_{\mu}$ charged current quasi-elastic cross-section on carbon with the T2K on-axis neutrino beam hep-ex · 2015 · author #148
  91. Measurements of neutrino oscillation in appearance and disappearance channels by the T2K experiment with 6.6E20 protons on target hep-ex · 2015 · author #149
  92. Spin blocker made of semiconductor double quantum well using the Rashba effect cond-mat.mes-hall · 2013 · author #8
  93. Effect of an InP/In$_{0.53}$Ga$_{0.47}$As Interface on Spin-orbit Interaction in In$_{0.52}$Al$_{0.48}$As/In$_{0.53}$Ga$_{0.47}$As Heterostructures cond-mat.mes-hall · 2004 · author #2
  94. Competition between Spin-Orbit Interaction and Zeeman Coupling in Rashba 2DEGs cond-mat.mes-hall · 2004 · author #4
  95. Statistical significance of fine structure in the frequency spectrum of Aharonov-Bohm conductance oscillations cond-mat.mes-hall · 2003 · author #5

Mentions

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Frequent Coauthors