List of works by Masashi Yokoyama

A Test of New Large Aperture Photodetectors in a Water Cherenkov Detector

A measurement of the branching fraction for the inclusive B→Xsγ decays with the Belle detector

An indirect search for weakly interacting massive particles in the Sun using 3109.6 days of upward-going muons in super-kamiokande ⬇️

scientific article published in the Astrophysical Journal

Application of Hamamatsu MPPCs to T2K neutrino detectors

Atmospheric neutrino oscillation analysis with subleading effects in Super-Kamiokande I, II, and III

article

BELLE/SVD2 status and performance

Calibration of the Super-Kamiokande detector

scientific article

Characterization 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

scholarly article

Charmless hadronic two-bodyBmeson decays

scholarly article

Combined Analysis of Neutrino and Antineutrino Oscillations at T2K. ⬇️

scientific article published on 10 April 2017

Design and construction of INGRID neutrino beam monitor for T2K neutrino experiment

article by M. Otani et al published November 2010 in Nuclear Instruments and Methods in Physics Research

Design and construction of INGRID neutrino beam monitor for the T2K neutrino experiment

Design and performance of the muon monitor for the T2K neutrino oscillation experiment

article by K. Matsuoka et al published December 2010 in Nuclear Instruments and Methods in Physics Research

Design, construction, and initial performance of SciBar detector in K2K experiment

Detailed performance evaluation of a new 20-inch photomultiplier tube with a Box and Line dynode

Determination of |Vcb| using the semileptonic decay B̄0→D∗+e−ν̄

Developement of Hybrid Photo-detectors for the Hyper-Kamiokande Experiment

Development and production of the ionization chamber for the T2K muon monitor

Development and study of the multi pixel photon counter

article

Development of Multi-Pixel Photon Counters

Development of Multi-Pixel Photon counters for T2K long baseline neutrino experiment

Development of a Low-Noise Front-End Electronics for a Multi-Channel APD Readout System

article

Development of multi-pixel photon counters for the T2K long baseline neutrino experiment

article

Development of the muon beam monitor for the T2K Long Baseline Neutrino Oscillation Experiment

article

Dual baseline search for muon antineutrino disappearance at 0.1 eV 2 < Δ m 2 < 100 eV 2

scientific article

Dual baseline search for muon neutrino disappearance at0.5  eV2<Δm2<40  eV2

scholarly article

Evidence for Muon Neutrino Oscillation in an Accelerator-Based Experiment

scientific article published in Physical Review Letters

Evidence for the appearance of atmospheric tau neutrinos in super-Kamiokande.

scientific article published on 2 May 2013

Evidence forCP-violating asymmetries inB0→π+π−decays and constraints on the CKM angleφ2

article

Evidence of electron neutrino appearance in a muon neutrino beam

scientific article

Experimental study of the atmospheric neutrino backgrounds forp→e+π0searches in water Cherenkov detectors

scholarly article

First indication of terrestrial matter effects on solar neutrino oscillation

scientific article published on 7 March 2014

First measurement of the muon neutrino charged current single pion production cross section on water with the T2K near detector ⬇️

scholarly article

First measurement of the νμ charged-current cross section on a water target without pions in the final state

scholarly article

First muon-neutrino disappearance study with an off-axis beam

scientific article

Future (underground) Water Cherenkov Detectors

HYPER-KAMIOKANDE PROJECT

High‐Energy Neutrino Astronomy Using Upward‐going Muons in Super‐Kamiokande I ⬇️

scientific article published in the Astrophysical Journal

Improved Search forνμ→νeOscillation in a Long-Baseline Accelerator Experiment

scientific article published in Physical Review Letters

Improved measurement of mixing-inducedCPviolation in the neutralBmeson system

scholarly article

Improved measurement of neutral current coherentπ0production on carbon in a few-GeV neutrino beam

scholarly article

Improvement of radiation hardness of double-sided silicon strip detector for Belle SVD upgrade

Indication of Electron Neutrino Appearance from an Accelerator-Produced Off-Axis Muon Neutrino Beam

scientific article

Kinematic reconstruction of atmospheric neutrino events in a large water Cherenkov detector with proton identification

scholarly article

Limits on sterile neutrino mixing using atmospheric neutrinos in Super-Kamiokande ⬇️

scholarly article

Mass production of hydrophobic silica aerogel and readout optics of Cherenkov light

Mass production test of Hamamatsu MPPC for T2K neutrino oscillation experiment

Measurement of Atmospheric Neutrino Flux Consistent with Tau Neutrino Appearance

scientific article published in Physical Review Letters

Measurement of B(B̄0→D+ℓ−ν̄) and determination of |Vcb|

article

Measurement of Branching Fractions and Polarization inB→φK(*)Decays

scientific article published in Physical Review Letters

Measurement of Branching Fractions forB→ηcK(*)Decays

scientific article published in Physical Review Letters

Measurement of Branching Fractions forB→ππ,Kπ, andKKDecays

scientific article published in Physical Review Letters

Measurement of CP-violating parameters in B→η′K decays

article published in 2002

Measurement of Coherent π^{+} Production in Low Energy Neutrino-Carbon Scattering. ⬇️

scientific article published on 4 November 2016

Measurement of Muon Antineutrino Oscillations with an Accelerator-Produced Off-Axis Beam ⬇️

scientific article published on 5 May 2016

Measurement of Neutrino Oscillation Parameters from Muon Neutrino Disappearance with an Off-Axis Beam

scientific article

Measurement of Time-DependentCP-Violating Asymmetries inB0→ϕKS0,K+K−KS0, andη′KS0Decays

scientific article published in Physical Review Letters

Measurement of absorption and charge exchange ofπ+on carbon ⬇️

scholarly article

Measurement of branching fractions and charge asymmetries for two-bodyBmeson decays with charmonium

scholarly article

Measurement of double-differential muon neutrino charged-current interactions onC8H8without pions in the final state using the T2K off-axis beam ⬇️

scholarly article

Measurement of inclusive charged current interactions on carbon in a few-GeV neutrino beam

scholarly article

Measurement of inclusive neutral currentπ0production on carbon in a few-GeV neutrino beam

scholarly article

Measurement of inclusiveπ0production in the charged-current interactions of neutrinos in a 1.3-GeV wide band beam

scholarly article

Measurement of neutrino and antineutrino neutral-current quasielasticlike interactions on oxygen by detecting nuclear deexcitation γ rays

scientific article published on 30 December 2019

Measurement of neutrino and antineutrino oscillations by the T2K experiment including a new additional sample of νe interactions at the far detector

scholarly article

Measurement of neutrino oscillation by the K2K experiment

scientific article (publication date: 12 October 2006)

Measurement of single charged pion production in the charged-current interactions of neutrinos in a 1.3 GeV wide band beam

article

Measurement of the CP violation parameter sin2 phi(1) in B(0)(d) meson decays

scientific article

Measurement of the Electroweak Penguin ProcessB→Xsℓ+ℓ−

scientific article published in Physical Review Letters

Measurement of the Inclusive Electron Neutrino Charged Current Cross Section on Carbon with the T2K Near Detector ⬇️

scientific article

Measurement of the Lifetime Difference inD0Meson Decays

scientific article published in Physical Review Letters

Measurement of the electron neutrino charged-current interaction rate on water with the T2K ND280π0detector ⬇️

scholarly article

Measurement of the inclusive ν μ charged current cross section on iron and hydrocarbon in the T2K on-axis neutrino beam ⬇️

scientific article

Measurement of the inclusive ν μ charged current cross section on carbon in the near detector of the T2K experiment

scientific article

Measurement of the intrinsic electron neutrino component in the T2K neutrino beam with the ND280 detector ⬇️

scientific article

Measurement of the muon beam direction and muon flux for the T2K neutrino experiment ⬇️

Measurement of the muon neutrino charged-current cross sections on water, hydrocarbon and iron, and their ratios, with the T2K on-axis detectors

scientific article published in September 2019

Measurement of the muon neutrino charged-current single π+ production on hydrocarbon using the T2K off-axis near detector ND280

scientific article published on 21 January 2020

Measurement of the muon neutrino inclusive charged-current cross section in the energy range of 1–3 GeV with the T2K INGRID detector ⬇️

scholarly article

Measurement of the neutrino-oxygen neutral-current interaction cross section by observing nuclear deexcitation γ rays ⬇️

scientific article

Measurement of the oscillation frequency for B0– mixing using hadronic B0 decays

Measurement of the quasielastic axial vector mass in neutrino interactions on oxygen

scholarly article

Measurement of theB0−B0mixing rate withB0(B0)→D*∓π±partial reconstruction

scholarly article

Measurement of theB0−B¯0Mixing ParameterΔmdusing SemileptonicB0Decays

scientific article published in Physical Review Letters

Measurement of theνμcharged current quasielastic cross section on carbon with the T2K on-axis neutrino beam ⬇️

scholarly article

Measurement of theνμcharged-current quasielastic cross section on carbon with the ND280 detector at T2K ⬇️

scholarly article

Measurement ofBd0−B¯d0Mixing Rate from the Time Evolution of Dilepton Events at theϒ(4S)

scientific article published in Physical Review Letters

Measurement ofK+production cross section by 8 GeV protons using high-energy neutrino interactions in the SciBooNE detector

article

Measurement ofσABSandσCXofπ+on carbon by the Dual Use Experiment at TRIUMF (DUET) ⬇️

scholarly article

Measurements of branching fractions and decay amplitudes in decays

Measurements of neutrino oscillation in appearance and disappearance channels by the T2K experiment with 6.6 × 1 0 20 protons on target ⬇️

scientific article

Measurements of the T2K neutrino beam properties using the INGRID on-axis near detector

article

Measurements of the atmospheric neutrino flux by Super-Kamiokande: Energy spectra, geomagnetic effects, and solar modulation ⬇️

scholarly article

Neutrino oscillation physics potential of the T2K experiment ⬇️

scientific article

New large aperture, hybrid photo-detector and photo multiplier tube for a gigantic water Cherenkov ring imaging detector

Observation of Cabibbo SuppressedB→D(*)K−Decays at Belle

scientific article published in Physical Review Letters

Observation of Cabibbo-suppressed and W-exchange Λ c + baryon decays

Observation of Electron Neutrino Appearance in a Muon Neutrino Beam

scientific article

Observation of large CP violation and evidence for direct CP violation in B0-->pi(+)pi(-) decays.

scientific article

Observation of large CP violation in the neutral B meson system

scientific article

Observation of mixing-inducedCPviolation in the neutralBmeson system

scholarly article

Observation of the Color-Suppressed DecayB¯0→D0π0

scientific article published in Physical Review Letters

Observation of the DecayB0→D±D*∓

scientific article published in Physical Review Letters

Observation of the anisotropy of 10 TeV primary cosmic ray nuclei flux with the Super-Kamiokande-I detector

scholarly article

Observation of the decay B --> Kl+l-.

scientific article published on 27 December 2001

Observation of theηc(2S)in ExclusiveB→KKSK−π+Decays

scientific article published in Physical Review Letters

Observation ofB+→χc0K+

scientific article published in Physical Review Letters

Observation ofB±→pp¯K±

scientific article published in Physical Review Letters

Observation ofχc2Production inBMeson Decay

scientific article published in Physical Review Letters

Performance of multi-pixel photon counters for the T2K near detectors

Performance of the BELLE silicon vertex detector

Physics potential of a long-baseline neutrino oscillation experiment using a J-PARC neutrino beam and Hyper-Kamiokande ⬇️

Precise Measurement ofBMeson Lifetimes with Hadronic Decay Final States

scientific article published in Physical Review Letters

Precise measurement of the neutrino mixing parameter θ23 from muon neutrino disappearance in an off-axis beam.

scientific article published on 8 May 2014

Proper-time resolution function for measurement of time evolution of B mesons at the KEK B-Factory

Properties of New 50 cm Photodetectors in an Environment for Hyper-Kamiokande

Publisher’s Note: Observation of theηc(2S)in ExclusiveB→KKSK−π+Decays [Phys. Rev. Lett89, 102001 (2002)]

scientific article published in Physical Review Letters

Publisher’s Note: T2K neutrino flux prediction [Phys. Rev. D87, 012001 (2013)]

scholarly article

Radiation hardness of VA1 with submicron process technology

Readout, first- and second-level triggers of the new Belle silicon vertex detector

Real-time supernova neutrino burst monitor at Super-Kamiokande ⬇️

Recent Results from the T2K Experiment

Scintillator counters with multi-pixel avalanche photodiode readout for the ND280 detector of the T2K experiment

Search for n − n ¯ oscillation in Super-Kamiokande

scientific article (publication date: April 2015)

Search for CP Violation in Neutrino and Antineutrino Oscillations by the T2K Experiment with 2.2×1021 Protons on Target

scientific article published in Physical Review Letters

Search for Coherent Charged Pion Production in Neutrino-Carbon Interactions

scientific article published in Physical Review Letters

Search for Differences in Oscillation Parameters for Atmospheric Neutrinos and Antineutrinos at Super-Kamiokande

scientific article published in Physical Review Letters

Search for Diffuse Astrophysical Neutrino Flux Using Ultra–High‐Energy Upward‐going Muons in Super‐Kamiokande I ⬇️

scientific article published in the Astrophysical Journal

Search for Electron Antineutrino Appearance in a Long-Baseline Muon Antineutrino Beam

scientific article published on 01 April 2020

Search for GUT monopoles at Super–Kamiokande

Search for Lorentz and CPT violation using sidereal time dependence of neutrino flavor transitions over a short baseline

scholarly article

Search for Nucleon and Dinucleon Decays with an Invisible Particle and a Charged Lepton in the Final State at the Super-Kamiokande Experiment ⬇️

scientific article published on 18 September 2015

Search for Supernova Neutrino Bursts at Super‐Kamiokande ⬇️

scientific article published in the Astrophysical Journal

Search for astrophysical neutrino point sources at super-kamiokande ⬇️

scientific article published in the Astrophysical Journal

Search for charged current coherent pion production on carbon in a few-GeV neutrino beam

article

Search for dinucleon decay into kaons in Super-Kamiokande.

scientific article published on 4 April 2014

Search for dinucleon decay into pions at Super-Kamiokande ⬇️

scholarly article

Search for heavy neutrinos with the T2K near detector ND280

Search for light sterile neutrinos with the T2K far detector Super-Kamiokande at a baseline of 295 km

scientific article published on 30 April 2019

Search for matter-dependent atmospheric neutrino oscillations in Super-Kamiokande

scholarly article

Search for neutral Q-balls in Super-Kamiokande II

Search for neutral-current induced single photon production at the ND280 near detector in T2K

scientific article published on 20 June 2019

Search for neutrinos from GRB 080319B at super-Kamiokande ⬇️

scientific article published in the Astrophysical Journal

Search for neutrinos from annihilation of captured low-mass dark matter particles in the sun by super-kamiokande

scientific article published on 6 April 2015

Search for nucleon decay into charged antilepton plus meson in Super-Kamiokande I and II

scholarly article

Search for nucleon decay via modes favored by supersymmetric grand unification models in Super-Kamiokande-I

article

Search for nucleon decay via n→ν[over ¯]π0 and p→ν[over ¯]π+ in Super-Kamiokande

scientific article published on 19 September 2014

Search for proton decay via p → ν K + using 260 kiloton · year data of Super-Kamiokande ⬇️

scientific article

Search for proton decay via p-->e+pi0 and p-->micro+pi0 in a large water Cherenkov detector

scientific article

Search for proton decay viap→μ+K0in Super-Kamiokande I, II, and III

scholarly article

Search for short baseline ν e disappearance with the T2K near detector ⬇️

scientific article

Search for trilepton nucleon decay via p→e+νν and p→μ+νν in the Super-Kamiokande experiment ⬇️

scientific article published on 4 September 2014

Solar neutrino measurements in Super-Kamiokande-I

scholarly article

Solar neutrino measurements in Super-Kamiokande-II

scholarly article

Solar neutrino results in Super-Kamiokande-III

scholarly article

Status of the Belle SVD detector

Status of the Belle Silicon Vertex Detector

Studies of B 0 − B 0 mixing properties with inclusive dilepton events

scientific article

Study of TeV neutrinos with upward showering muons in Super-Kamiokande

scientific article published in January 2008

Study of nonstandard neutrino interactions with atmospheric neutrino data in Super-Kamiokande I and II

scholarly article

Study of three-body charmlessBdecays

article by Alexey Y. Garmash et al published 26 April 2002 in Physical Review D

Study of time-dependentCP-violating asymmetries inb→sq¯qdecays

scholarly article

Study ofCP-Violating Asymmetries inB0→π+π−Decays

scientific article published in Physical Review Letters

Supernova Relic Neutrino search with neutron tagging at Super-Kamiokande-IV

Supernova relic neutrino search at super-Kamiokande

scholarly article

T2K neutrino flux prediction

scientific article

Temperature Dependence Measurement of a Hybrid Photo-Detector for Hyper-Kamiokande

Test of Lorentz invariance with atmospheric neutrinos ⬇️

scholarly article

The BELLE silicon vertex detector

The Belle detector

The Belle trigger system with the new silicon vertex detector SVD2

The K2K SciBar detector

The Physics of the B Factories

article

The T2K experiment

scientific article (publication date: December 2011)

The T2K fine-grained detectors

The data acquisition system of the Belle silicon vertex detector (SVD) upgrade

The development and performance evaluation of a hybrid photo-detector for Hyper-Kamiokande

The development of a hybrid photo-detector (HPD) for the Hyper-Kamiokande project

article

The new beampipe for the Belle experiment

The silicon vertex detector for the super B factory

Three flavor neutrino oscillation analysis of atmospheric neutrinos in Super-Kamiokande

scholarly article

Updated T2K measurements of muon neutrino and antineutrino disappearance using 1.5×1021 protons on target

scholarly article

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