教員情報 - 小川　了

（最終更新日：2023-07-04 18:07:39）

  オガワ　サトル   Ogawa Satoru
  小川　了
   所属   東邦大学理学部物理学科

職種教授

学位

博士（理学）

刊行論文

1.	原著	Novel method for the identification of the production flavor of neutral charmed mesons 2023/04/04
2.	原著	Measurement of lepton mass squared moments in B→X_cℓ\bar{ν}_ℓ decays with the Belle II experiment 2023/04/01
3.	原著	Measurement of the branching fraction and CP asymmetry of B⁰→π⁰π⁰ decays using 198×10⁶B\bar{B} pairs in Belle II data 2023/03/15
4.	原著	Measurement of the B⁰ lifetime and flavor-oscillation frequency using hadronic decays reconstructed in 2019–2021 Belle II data 2023/02/24
5.	原著	Study of the lineshape of X(3872) using B decays to D⁰\bar{D}^*0K 2023/02/04
6.	原著	Search for the decay B_s⁰→π⁰π⁰ at Belle 2023/01/20
7.	原著	Search for lepton-flavor-violating τ decays into a lepton and a vector meson using the full Belle data sample 2023/01/09
8.	原著	Measurement of the mass and width of the Λ_c(2625)⁺ charmed baryon and the branching ratios of Λ_c(2625)⁺→Σ_c⁰π⁺ and Λ_c(2625)⁺→Σ_c⁺⁺π^- 2022/12/07
9.	原著	Search for an Invisible Z’in a Final State with Two Muons and Missing Energy at Belle II 2022/12/07
10.	原著	Search for Lepton-Flavor-Violating τ Decays to a Lepton and an Invisible Boson at Belle II 2022/12/07
11.	原著	First Observation of Λπ⁺ and Λπ^- Signals near the \bar{K}N(I=1) Mass Threshold in Λ_c⁺→Λπ⁺π⁺π^- Decay 2022/11/20
12.	原著	First observation of B→\bar(D₁}(→\bar{D}π⁺π^-)ℓ⁺ν_ℓ and measurement of the B→\bar{D^()}πℓ⁺ν_ℓ and B→\bar{D^()}π⁺π^-ℓ⁺ν_ℓ branching fractions with hadronic tagging at Belle 2022/11/17
13.	原著	Updated constraints on sterile neutrino mixing in the OPERA experiment using a new νe identification method 2022/11/08
14.	原著	Study of e⁺e^-→Σ⁰Σ⁰ and Σ⁺Σ^- by initial state radiation method at Belle 2022/10/30
15.	原著	Measurement of branching fractions of Λ_c⁺→pK_s⁰K_s⁰ and Λ_c⁺→pK_s⁰η at Belle 2022/10/04
16.	原著	Evidence for the singly Cabibbo-suppressed decay Ω⁰→Ξ⁻π⁺ and search for Ω_c⁰→Ξ⁻K⁺ and Ω⁻K+ decays at Belle 2022/09/18
17.	原著	Search for rare decays B⁺→D_s^()+η,D_s^()+\bar{K⁰},D ⁺η and D+K0 2022/08/30
18.	原著	Observation of e⁺e^-→ωχ_bJ(1P) and Search for χ_b→ωϒ(1S) at √s near 10.75 GeV 2022/08/28
19.	原著	Measurements of branching fractions of Λ_c⁺→Σ⁺η and Λ_c⁺ →Σ⁺η' and asymmetry parameters of Λ_c⁺→Σ⁺π⁰, Λ_c⁺η and Λ^c⁺→Σ⁺η' 2022/08/23
20.	原著	Search for CP violation and measurement of branching fractions and decay asymmetry parameters for Λ_c⁺→Λℎ+ and Λ_c⁺→Σ⁰ℎ⁺ (ℎ=K,π) 2022/08/18
21.	原著	Measurement of the Ω_c⁰ lifetime at Belle II 2022/08/17
22.	原著	Measurement of two-photon decay width of χ_c2 (1P) in γγ → χ_c2 (1P) → J/ψγ at Belle 2022/08/08
23.	原著	First Measurement of the B⁺→π⁺π⁰π⁰ Branching Fraction and CP Asymmetry 2022/08/03
24.	原著	Measurement of the B⁺/B⁰ production ratio in e⁺e^- collisions at the ϒ(4S) resonance using B→J/ψ(ℓℓ)K decays at Belle 2022/07/04
25.	原著	Search for a Dark Photon and an Invisible Dark Higgs Boson in μ⁺μ^- and Missing Energy Final States with the Belle II Experiment 2022/07/01
26.	原著	Measurements of the branching fractions B(\bar{B}⁰→D^∗+π⁻) and B (\bar{B}⁰→D^∗+K⁻) and tests of QCD factorization 2022/06/30
27.	原著	First search for the weak radiative decays Λ_c⁺→Σ⁺γ and Ξ_c⁰→Ξ⁰γ 2022/06/24
28.	原著	Angular analysis of the low K⁺K^- invariant mass enhancement in B⁺→K ⁺K^-π⁺ decays 2022/06/22
29.	原著	Two-particle angular correlations in e⁺e⁻ collisions to hadronic final states in two reference coordinates at Belle 2022/06/19
30.	原著	Evidence of a New Excited Charmed Baryon Decaying to Σ_c(2455)^0,++π^± 2022/06/17
31.	原著	Search for X(3872)→π⁺π^-π⁰ at Belle 2022/06/17
32.	原著	Measurement of the branching fraction of Ξ_c⁰→Λ_c⁺π^- at Belle 2022/06/16
33.	原著	Measurements of protons and charged pions emitted from ν_μ charged-current interactions on iron at a mean neutrino energy of 1.49 GeV using a nuclear emulsion detector 2022/03/15
34.	原著	Search for the radiative penguin decays B⁰→K_S⁰K _S⁰γ in the Belle experiment 2022/03/10
35.	原著	Search for charged lepton flavor violating decays of Υ(1S) 2022/01/24
36.	原著	Search for the decay B_s⁰→π⁰π⁰ at Belle 2022/01/20
37.	原著	Measurement of Two-Particle Correlations of Hadrons in e+e- Collisions at Belle 2022/01/05
38.	原著	Search for the decay B_s⁰→η'K_s⁰ 2022/01/05
39.	原著	First Measurement of the Λ_c⁺→pη' decay 2021/12/28
40.	原著	Search for a light Higgs boson in single-photon decays of Υ(1S) using Υ(2S)→π⁺π⁻ Υ(1S) tagging method 2021/12/22
41.	原著	First test of lepton flavor universality in the charmed baryon decays Ω_c⁰→Ω^-ℓ⁺ν_ℓ using data of the Belle experiment 2021/12/20
42.	原著	Search for tetraquark states X_{cc\bar{s}\bar{s}} in D_s⁺D_s⁺(D_s^∗+D_s^∗+) final states at Belle 2021/12/05
43.	原著	Search for the decay B_s⁰→ηη 2021/11/29
44.	原著	Measurements of the branching fractions of Ξ^c⁰ →ΛK_S⁰,Ξ_c⁰→Σ⁰K_S⁰ , and Ξ_c⁰→Σ⁺K ⁻ decays at Belle 2021/11/17
45.	原著	Study of \bar{B⁰} →D⁺h^- (h=K/π) decays at Belle 2021/11/09
46.	原著	Measurements of q² Moments of Inclusive B→X_cℓ ⁺ν_ℓ Decays with Hadronic Tagging 2021/09/03
47.	原著	Search for B⁰ →τ^±ℓ ^∓ (ℓ=e,μ) with a hadronic tagging method at Belle 2021/08/26
48.	原著	An improved search for the electric dipole moment of the τ lepton 2021/08/25
49.	原著	Measurement of the branching fraction of Λ_c⁺→pω decay at Belle 2021/08/25
50.	原著	Study of e⁺e⁻→Υ(1S,2S)η and e⁺e⁻→Υ(1S)η' at √s =10.866 GeV with the Belle detector 2021/08/09
51.	原著	Precise measurement of the D⁰ and D⁺ lifetimes at Belle II 2021/08/06
52.	原著	Measurement of Differential Branching Fractions of Inclusive B→X _uℓ⁺ν_ℓ Decays 2021/07/29
53.	原著	Measurement of the masses and widths of the Σ_c(2455)⁺ and Σ_c(2520)⁺baryons 2021/07/12
54.	原著	Measurement of Β(B_s→D_sX) with B_s semileptonic tagging 2021/06/21
55.	原著	Search for the Decay B⁰_s→η'η 2021/06/17
56.	原著	Search for the η_c2(1D) in e⁺e⁻→γη_c2(1D) at √s near 10.6 GeV at Belle 2021/06/16
57.	原著	Study of γγ→γψ(2S) at Belle 2021/05/13
58.	原著	Measurement of the branching fractions of the B⁺→ηℓ⁺ν_ℓ and B⁺→η'ℓ⁺ν_ℓ decays with signal-side only reconstruction in the full q² range 2021/04/27
59.	原著	Search for B⁺→K⁺ν\bar{ν} Decays Using an Inclusive Tagging Method at Belle II 2021/04/26
60.	原著	Measurements of branching fractions and asymmetry parameters of Ξ⁰_c→Λ\bar{K}^0,Ξ⁰_c→Σ⁰\bar{K}^0, and Ξ⁰_c→Σ⁺K^*- decays at Belle 2021/04/21
61.	原著	Measurement of the energy dependence of the e⁺e^-→B\bar{B},B\bar{B}^∗ and B^*\bar{B},B\bar{B}^∗ exclusive cross sections 2021/04/16
62.	原著	Search for lepton-flavor-violating tau-lepton decays to ℓ_γ at Belle 2021/03/24
63.	原著	Measurement of branching fractions and CP asymmetries for Ds+ →K+ (η,π0) and Ds+ →π+ (η,π0 ) decays at Belle 2021/03/17
64.	原著	First measurement using a nuclear emulsion detector of the νμ charged-current cross section on iron around the 1 GeV energy region 2021/03/13
65.	原著	Measurements of the branching fractions of the semileptonic decays Ξ⁰_C→Ξ⁻ℓ+ν_ℓ and the asymmetry parameter of Ξ⁰_C→Ξ⁻π⁺ 2021/03/11
66.	原著	Search for B⁰_S→η’X_S\bar{S} at Belle Using a Semi-Inclusive Method 2021/02/20
67.	原著	Measurements of Partial Branching Fractions of Inclusive B→X_uℓ⁺ν_ℓ Decays with Hadronic Tagging 2021/01/29
68.	原著	Measurement of branching fraction and search for CP violation in B→ϕϕK 2021/01/19
69.	原著	Measurement of the resonant and nonresonant branching ratios in Ξ0c →Ξ0 K+ K− 2020/12/10
70.	原著	Search for the dark photon in B⁰ →A^' A^' , A^' →　e+ e− , μ+μ− , and π +π− decays at Belle 2020/12/04
71.	原著	Sensitivity of the SHiP experiment to dark photons decaying to a pair of charged particles 2020/11/10
72.	原著	Measurement of time-dependent CP violation parameters in B0 → K0S K0S K0S decays at Belle 2020/11/02
73.	原著	Search for lepton-number- and baryon-number-violating tau decays at Belle 2020/10/29
74.	原著	Sensitivity of the SHiP experiment to light dark matter 2020/10/21
75.	原著	Search for transitions from Υ(4S) and Υ(5S) toηb (1S) and b (2S) with emission of an ω meson 2020/09/24
76.	原著	Study of electromagnetic decays of orbitally excited Ξc baryons 2020/09/08
77.	原著	Measurement of branching fractions of Λc+ →ηΛπ +, ηΣ0π+Λ(1670)π+ , and ηΣ(1385) + 2020/08/26
78.	原著	Performance evaluation of the aerogel RICH counter for the Belle II spectrometer using early beam collision data 2020/08/14
79.	原著	First measurement of \bar{νμ} and νμcharged-current inclusive interactions on water using a nuclear emulsion detector 2020/08/10
80.	原著	First determination of the spin and parity of the charmed-strange baryon Ξc (2970)+ 2020/07/29
81.	原著	Performance of the Belle II aerogel-based ring-imaging Cherenkov counter system in SuperKEKB 2019 phase 3 operation 2020/07/27
82.	原著	Evidence for X(3872)→J/ψπ+ π− Produced in Single-Tag Two-Photon Interactions 2020/07/11
83.	原著	Search for Axion-Like Particles produced in e+ e− collisions at Belle II 2020/06/30
84.	原著	Measurement of the branching fraction of the decay B+ →π+ π− ℓ+ νℓ in fully reconstructed events at Belle 2020/05/15
85.	原著	Search for B^0 decays to invisible final states (+γ) at Belle 2020/04/08
86.	原著	Evidence for a vector charmoniumlike state in e^+e^-→ D^+_sD^*_{s2}(2573)^-+c.c. 2020/04/06
87.	原著	First search for the η_{c2} (1D) in B decays at Belle 2020/03/18
88.	原著	Dalitz analysis of D^{0→K^{-}π^{+}ηdecays at Belle 2020/03/17
89.	原著	Update of inclusive cross sections of single and pairs of identified light charged hadrons 2020/01/28
90.	原著	Search for an Invisibly Decaying Z^' Boson at Belle II in e^+ e^-→μ^+μ^- (e^{+-}μ^{-+}) Plus Missing Energy Final States 2019/12/24
91.	原著	First observation of a tau neutrino charged current interaction with charm production in the OPERA experiment 2019/12/23
92.	原著	Measurement of the charm-mixing parameter yCP in D 0 →K S0 ω decays at Belle 2019/12/23
93.	原著	Measurements of the Branching Fractions B(B^{-}→ \bar{Λ}_{c}^{-}Ξ_{c}^{'0}),B(B^{-}→ \bar{Λ}_{c}^{-}Ξ_{c}(2645)^{0}) and B(B^{-}→ \barΛ}_{c}^{-}Ξ_{c}(2790)^{0}) 2019/11/28
94.	原著	Search for B^+→μ^+ν_μ and B^+→μ^+N with inclusive tagging 2019/11/08
95.	原著	Observation of a vector charmoniumlike state in e^+e^-→D^+_s D_{s1}(2536)^-+c.c. 2019/11/02
96.	原著	Measurement of R(D) and R(D^*) with a semileptonic tagging method 2019/10/13
97.	原著	Measurement of the integrated luminosity of the Phase 2 data of the Belle II experiment 2019/10/11
98.	原著	First measurement of the CKM angle φ_3 with B^{+-}→ D(K_{S}^0π^+π^-π^0)K^{+-} decays 2019/08/26
99.	原著	Observation of τ^- →π^- ν_{τ} e^+ e^-　and search for τ^- →π^-ν_{τ}μ^+μ^- 2019/08/25
100.	原著	Search for Ω(2012)→ KΞ(1530)→ KπΞ 2019/06/01
101.	原著	Search for B^0→X(3872) γ 2019/05/28
102.	原著	Observation of a new structure near 10.75 GeV in the energy dependence of the e^{+} e^{-} → ϒ (nS)π^{+} π^{-} (n = 1, 2, 3) cross sections 2019/05/14
103.	原著	First measurements of absolute branching fractions of the Ξ_c baryon at Belle 2019/04/26
104.	原著	Measurement of branching fraction and final-state asymmetry for the \bar{B}^{0}\to→ K^{0}_{S}K^{-+}π^{+-} decay 2019/04/15
105.	原著	Evidence for the decay B^0→p\bar{p}π^0 2019/04/11
106.	原著	Test of Lepton-Flavor Universality in B→K∗ ℓ+ ℓ− Decays at Belle 2019/04/04
107.	原著	Transverse momentum dependent production cross sections of charged pions, kaons and protons produced in inclusive e^+e^- annihilation at \sqrt{s} = 10.58 GeV 2019/02/05
108.	原著	Search for the B→Y(4260) K, Y(4260)→ J/ψπ^+π^- decays 2019/01/19
109.	原著	Measurements of branching fraction and direct CP asymmetry in B^{+-}→K^{0}_{S}K^{0}_{S}K^{+-} and a search for B^{+-}→ K^{0}_{S}K^{0}_{S}π^{+-} 2018/12/25
110.	原著	Search for CP violation with kinematic asymmetries in the D^0→ K^+ K^-π^+ π^- decay 2018/10/15
111.	原著	Measurement of time-dependent CP violation in B^0→ K^0_Sπ^0π^0 decays 2018/10/08
112.	原著	Search for a light CP-odd Higgs boson and low-mass dark matter at the Belle experiment 2018/09/13
113.	原著	Measurement of the CKM matrix element \|V_{cb}\| from B^0→D^{*-}l^ {+}ν_l　at Belle 2018/09/10
114.	原著	Observation of Transverse Λ/\bar{Λ} Hyperon Polarization in e^+e^- Annihilation at Belle 2018/08/15
115.	原著	Observation of B^{+} → p\bar{Λ} K^+ K^- and B^{+}→ \bar{p}Λ K^+ K^+ 2018/07/27
116.	原著	Measurements of isospin asymmetry and difference of direct CP asymmetries in inclusive B→ X_sγ decays 2018/07/11
117.	原著	Search for the lepton-flavor-violating decay B^{0}→ K^{*0} μ^{+-} e^{-+} 2018/07/09
118.	原著	Observation of Υ(2S)→γη_{b}(1S) decay 2018/07/03
119.	原著	Evidence of a structure in \bar{K}^{0}Λ_{c}^{+} consistent with a charged Ξ_c(2930)^{+}, and updated measurement of \bar{B}^{0}→ \bar{K}^{0}Λ_{c}^{+} \bar{Λ}_{c}^{-} at Belle 2018/06/24
120.	原著	Observation of e^+e^-→π^+π^-π^0χ_{b1,2}(1P)and search for e^+e^-→φχ_{b1,2}(1P) at \sqrt{s} = 10.96—11.05 GeV 2018/06/16
121.	原著	Search for Υ(1S,2S)→Z^{+}_{c}Z^{'-}_{c} and e^{+}e^{-} → Z^{+}_{c}Z^{'-}_{c}e+　 at \sqrt{s} = 10.52, 10.58, and 10.867 GeV 2018/05/06
122.	原著	First Evidence for cos2β>0 and Resolution of the Cabibbo-Kobayashi-Maskawa Quark-Mixing Unitarity Triangle Ambiguity 2018/04/17
123.	原著	Measurement of cos2β in B^{0} → D^{(*)} h^{0　}with D → K_{S}^{0} π^{+} π^{-}　decays by a combined time-dependent Dalitz plot analysis of BaBar and Belle data 2018/04/17
124.	原著	Observation of Υ(4S)→ηΥ(1S) 2018/03/27
125.	原著	Measurement of time-dependent CP asymmetries in B^{0} → K_S^0 ηγ decays 2018/03/21
126.	原著	Search for B^{-}\to\mu^{-}\bar\nu_\mu Decays at the Belle Experiment 2017/12/11
127.	原著	Behaviour of Belle II ARICH Hybrid Avalanche Photo-Detector in magnetic field 2017/12
128.	原著	Development of slow control system for the Belle II ARICH counter 2017/12
129.	原著	Development of the ARICH monitor system for the Belle II experiment 2017/12
130.	原著	Measurement of branching fractions of hadronic decays of the Ω⁰_c baryon 2017/12
131.	原著	Observation of Ξ_c(2930)⁰ and updated measurement of B⁻→K⁻Λ⁺_cΛ¯⁻_c at Belle 2017/12
132.	原著	Study of K⁰_S pair production in single-tag two-photon collisions 2017/12
133.	原著	Observation of Excited Ω_c Charmed Baryons in e⁺e⁻ Collisions 2017/11
134.	原著	Search for light tetraquark states in Υ(1S) and Υ(2S) decays 2017/11
135.	原著	Measurement of the tau Michel parameters η¯ and ξκ in the radiative leptonic decay τ−→ℓ⁻ν_τν¯_ℓγ 2017/09
136.	原著	Measurements of the absolute branching fractions of B⁺→X_cc¯K⁺ and B⁺→D¯^(∗)0π⁺ at Belle 2017/09
137.	原著	Measurement of the τ lepton polarization and R(D^∗) in the decay B¯→D^∗τ⁻ν¯_τ with one-prong hadronic τ decays at Belle 2017/08
138.	原著	Angular analysis of the e⁺e⁻→D^(∗)±D^∗∓ process near the open charm threshold using initial-state radiation 2017/07
139.	原著	Evidence for Isospin Violation and Measurement of CP Asymmetries in B→K^∗(892)γ 2017/07
140.	原著	Study of η and dipion transitions in Υ(4S) decays to lower bottomonia 2017/07
141.	原著	Production cross sections of hyperons and charmed baryons from e^+e^- annihilation near \sqrt{s} = 10.52 GeV 2017/06/21
142.	原著	Invariant-mass and fractional-energy dependence of inclusive production of di-hadrons in e⁺e⁻ annihilation at √s= 10.58 GeV 2017/06
143.	原著	Search for Λ⁺_c→ϕpπ⁰ and branching fraction measurement of Λ⁺_c→K⁻π⁺pπ⁰ 2017/06
144.	原著	Measurement of branching fraction and direct CP asymmetry in charmless B⁺→K⁺K⁻π⁺ decays at Belle 2017/05
145.	原著	Measurement of the branching fraction and CP asymmetry in B⁰→π⁰π⁰ decays, and an improved constraint on ϕ₂ 2017/05
146.	原著	Observation of an alternative χ_c0(2P) candidate in e⁺e⁻→J/ψDD¯ 2017/04
147.	原著	First measurement of T-odd moments in D⁰→K⁰π⁺π⁻π⁰ decays 2017/03
148.	原著	Measurement of the decays B→ηℓν_ℓ and B→η′ℓν_ℓ in fully reconstructed events at Belle 2017/03
149.	原著	Search for B→hνν¯decays with semileptonic tagging at Belle 2017/02
150.	原著	Lepton-Flavor-Dependent Angular Analysis of B→K^∗ℓ⁺ℓ⁻ 2016/12
151.	原著	Measurement of the τlepton polarization and R(D^∗) in the decay B¯→D^∗τ⁻ν¯_τ 2016/12
152.	原著	Search for D⁰ decays to invisible final states at Belle 2016/11
153.	原著	Search for the 0⁻⁻ Glueball in Υ(1S) and Υ(2S) decays 2016/11
154.	原著	Measurement of Michel Parameters (η¯, ξκ) in the radiative leptonic decay of tau at Belle 2016/09
155.	原著	Search for a dark vector gauge boson decaying to π⁺π⁻ using η→π⁺π⁻γ decays 2016/09
156.	原著	Measurement of the branching ratio of B¯0→D∗+τ−ν¯τ relative to B¯0→D∗+ℓ−ν¯ℓdecays with a semileptonic tagging method 2016/07
157.	原著	Measurement of the CKM angle φ1in B0→D¯(∗)0h0, D¯0→K0Sπ+π− decays with time-dependent binned Dalitz plot analysis 2016/07
158.	原著	Study of Excited Ξc States Decaying into Ξ0c and Ξ+c Baryons 2016/07
159.	原著	Search for a massive invisible particle X0 in B+→e+X0 and B+→μ+X0 decays 2016/05
160.	原著	Search for XYZ states in Υ(1S) inclusive decays 2016/05
161.	原著	Studies of charmed strange baryons in the ΛD final state at Belle 2016/05
162.	原著	First observation of γγ→pp¯K+K− and search for exotic baryons in pK systems 2016/04
163.	原著	Observation of D₀→ρ₀γ and search for CP violation in radiative charm decays 2016/03
164.	原著	Search for the decay B0→ϕγ 2016/03
165.	原著	First Observation of Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: Λ+c→pK+π− 2015/12
166.	原著	First observation of the decay B0→ψ(2S)π0 2015/12
167.	原著	Inclusive and exclusive measurements of BB decays to χc1 and χc2at Belle 2015/12
168.	原著	Observation of the decay B0s→K0K¯0 2015/12
169.	原著	Search for the rare decay D0→γγ at Belle 2015/12
170.	原著	Measurement of the decay B→Dℓνℓ in fully reconstructed events and determination of the Cabibbo-Kobayashi-Maskawa matrix element \|Vcb\| 2015/10
171.	原著	Study of B0→ρ+ρ− decays and implications for the CKM angle ϕ2 2015/10
172.	原著	First model-independent Dalitz analysis of B0→DK∗0, D→K0Sπ+π− decay 2015/09
173.	原著	Inclusive cross sections for pairs of identified light charged hadrons and for single protons in e+e−e+e− at √s= 10.58 GeV 2015/09
174.	原著	Measurement of D0–D0¯ mixing and search for CP violation in D0→K+K−,π+π− decays with the full Belle data set 2015/09
175.	原著	Observation of B0→pΛ¯D(∗)− 2015/09
176.	原著	Search for B0→π−τ+ντ with hadronic tagging at Belle 2015/09
177.	原著	Measurement of the branching ratio of B¯→D(∗)τ−ν¯ relative to B¯→D(∗)ℓ−ν¯ℓ decays with hadronic tagging at Belle 2015/07
178.	原著	First observation of the hadronic transition Υ(4S)→ηhb(1P) and new measurement of the hb(1P) and ηb(1S) parameters 2015/06
179.	原著	Measurement of e+e−→γχcJ via initial state radiation at Belle 2015/06
180.	原著	First Observation of CP Violation in B¯0→D(∗)CPh0 Decays by a Combined Time-Dependent Analysis of BABAR and Belle Data 2015/05
181.	原著	Study of D∗∗D∗∗ production and light hadronic states in the B¯0→D∗+ωπ− decay 2015/05
182.	原著	Evidence for the decay B0→ηπ0 2015/04
183.	原著	Measurements of B→D¯D∗+s0(2317) decay rates and a search for isospin partners of the D∗+s0(2317) 2015/04
184.	原著	Search for B+→ℓ+νℓγ decays with hadronic tagging using the full Belle data sample 2015/04
185.	原著	Study of π0 pair production in single-tag two-photon collisions 2015/04
186.	原著	Search for the decay B+→K¯¯¯¯¯∗0K∗+ at Belle 2015/02
187.	原著	Measurement of the direct CP asymmetry in B¯→Xs+dγ decays with a lepton tag 2015/01
188.	原著	Measurements of the Υ(10860) and Υ(11020) resonances via σ(e+e−→Υ(nS)π+π−) 2015/01
189.	原著	Observation of X(3872) in B→X(3872)Kπ decays 2015/01
190.	原著	Search for B decays to final states with the ηc meson 2015/01
191.	原著	Measurement of B0→D−sK0Sπ+ and B+→D−sK+K+ branching fractions 2014/11
192.	原著	Measurement of the B¯→Xsγ Branching Fraction with a Sum of Exclusive Decays 2014/11
193.	原著	Search for B0s→γγ and a measurement of the branching fraction for B0s→ϕγ 2014/11
194.	原著	Measurement of e+e−→π+π−ψ(2S)e+e−→π+π−ψ(2S) via Initial State Radiation at Belle 2014/10
195.	原著	Measurement of Time-Dependent CP Violation in B0→η′K0 Decays 2014/08
196.	原著	Observation of a new charged charmoniumlike state in B¯0→J/ψK−π+ decays 2014/08
197.	原著	Observation of e+e−→π+π−π0χbJ and Search for Xb→ωΥ(1S) at √s=10.867 GeV 2014/08
198.	原著	Observation of the decay B0→η′K∗(892)0 2014/08
199.	原著	Search for B+→e+ν and B+→μ+ν decays using hadronic tagging 2014/06
200.	原著	The Physics of the B Factories 2014/06
201.	原著	Measurement of D0−D¯0 mixing and search for indirect CP violation using D0→K0Sπ+π− decays 2014/04
202.	原著	Measurements of the masses and widths of the Σc(2455)0/++ and Σc(2520)0/++ baryons 2014/04
203.	原著	Search for CP violation in D0→π0π0 decays 2014/04
204.	原著	Measurement of the lepton forward-backward asymmetry in B→Xsℓ+ℓ− decays with a sum of exclusive modes 2014/02
205.	原著	Observation of D0−D¯0 Mixing in e+e− Collisions 2014/01
206.	原著	Measurement of the Branching Fraction B(Λ+c→pK−π+) 2013/12
207.	原著	Measurement of the τ-lepton lifetime at Belle 2013/12
208.	原著	Search for B0→pΛ¯π−γ at Belle 2013/12
209.	原著	Search for doubly charmed baryons and study of charmed strange baryons at Belle 2013/12
210.	原著	Measurement of branching fractions and CP violation parameters in B→ωK decays with first evidence of CP violation in B0→ωK0S 2013/11
211.	原著	Measurement of branching fractions for B → J/ψη K decays and search for a narrow resonance in the J/ψη final state 2013/10
212.	原著	Search for lepton-flavor and lepton-number-violating τ→lhh′ decay modes 2013/02
213.	原著	Search for heavy neutrinos at Belle 2013/01
214.	原著	Search for CP Violation in the Decay D⁺→K⁰_SK⁺ 2012/12
215.	原著	Study of B0→ρ0ρ0 decays, implications for the CKM angle ϕ2ϕ2 and search for other B0 decay modes with a four-pion final state 2012/12
216.	原著	Measurement of B⁻→τ⁻\bar{ν}_τ with a Hadronic Tagging Method Using the Full Data Sample of Belle 2012/08
217.	原著	Study of the Hadronic Transitions Υ(2S)→(η,π⁰)Υ(1S) at Belle 2012/08
218.	原著	Evidence for B⁻→D⁺_SK⁻ℓ⁻\bar{ν}_ℓ and search for B⁻→D^∗+_SK⁻ℓ⁻\bar{ν}_ℓ 2012/07
219.	原著	Search for Lepton-Flavor-Violating and Lepton-Number-Violating τ→ℓhh′ Decay Modes 2012/06
220.	原著	First observation of exclusive Υ(1S) and Υ(2S) decays into light hadrons 2012/05
221.	原著	Measurement of Branching Fraction and First Evidence of CP Violation in B⁰→a^±₁(1260)π^∓ Decays 2012/05
222.	原著	Measurement of γγ^∗→π⁰ transition form factor at Belle 2012/05
223.	原著	Search for the decay B⁰→DK^∗0 followed by D→K⁻π⁺ 2012/05
224.	原著	First Measurement of φ₃ with a Model-independent Dalitz Plot Analysis of B→DK, D→K_Sππ Decay 2012/04
225.	原著	Evidence for CP Violation in the Decay D⁺→K⁰_Sπ⁺ 2012/03
226.	原著	First observation of the P-wave spin-singlet bottomonium states h_b(1P) and h_b(2P) 2012/03
227.	原著	Measurements of Branching Fractions and Time-dependent CP Violating Asymmetries in B⁰→D^(∗)±D^∓ Decays 2012/03
228.	原著	Search for νμ → ντ oscillation with the OPERA experiment in the CNGS beam. 2012/03
229.	原著	First observation of B⁰_S→J/ψη and B⁰_S→J/ψη′ 2012/02
230.	原著	Observation of new resonant structures in γγ→ωϕ, ϕϕ and ωω 2012/02
231.	原著	Measurement of the CP-violation Parameter sin2ϕ₁ with a New Tagging Method at the Υ(5S) Resonance 2012/01
232.	原著	Momentum measurement by the Multiple Coulomb Scattering method in the OPERA lead emulsion target 2012/01
233.	原著	Measurement of e⁺e⁻→D_s^(∗)+D_s^(∗)− cross sections near threshold using initial-state radiation. 2011/12
234.	原著	Measurement of the decay B⁰→π⁻ℓ⁺ν and determination of \|Vub\|. 2011/12
235.	原著	Measurements of time-dependent CP asymmetries in B→D^∗∓π^± decays using a partial reconstruction technique. 2011/12
236.	原著	Observation of B⁻→pΛD⁰ at Belle. 2011/12
237.	原著	Observation of D⁺→K⁺η^(′) and Search for CP Violation in D⁺→π⁺η^(′) Decays. 2011/12
238.	原著	Observation of transverse polarization asymmetries of charged pion pairs in e+e- annihilation near √s=10.58 GeV. 2011/12
239.	原著	Search for charmonium and charmonium-like states in Υ(2S) radiative decays. 2011/12
240.	原著	Search for CP Violation in the Decays D⁰→K⁰_SP⁰. 2011/12
241.	原著	Search for Lepton-Flavor-Violating tau Decays into a Lepton and a Vector Meson. 2011/12
242.	原著	Study of 144-channel hybrid avalanche photo-detector for Belle II RICH counter 2011/12
243.	原著	Study of a 144 channel multi-anode hybrid avalanche photo-detector for the Belle II RICH counter 2011/12
244.	原著	Study of the decays B−>D_s1(2536)⁺D^-(*). 2011/12
245.	原著	Study of the K⁺π⁺π⁻ Final State in B⁺→J/ψK⁺π⁺π⁻ and B⁺→ψ'⁻K⁺π⁺π⁻. 2011/12
246.	原著	Measurement of charm production in neutrino charged-current interactions 2011/09
247.	原著	Observational Search for PeV-EeV Tau Neutrino from GRB081203A 2011/06
248.	原著	Study of neutrino interactions with electronic detectors of the OPERA experiment 2011/05
249.	原著	Measurement of eta eta production in two-photon collisions. 2010/12
250.	原著	Observation of B⁺ → Dbar^*0 τ⁺ ν_τ and Evidence for B⁺ → Dbar⁰ τ⁺ ν_τ at Belle. 2010/12
251.	原著	Evidence for B^- → τ^- \barν with a semileptonic tagging method 2010
252.	原著	Evidence for direct CP violation in the decay B→D^(*)K, D→K_sπ⁺π^- and measurement of the CKM phase phi3. 2010
253.	原著	Measurement of CP violating asymmetries in B⁰ → K⁺K^-K⁰_S decays with a time-dependent Dalitz approach. 2010
254.	原著	Measurement of the atmospheric muon charge ratio with the OPERA detector. 2010
255.	原著	Measurement of the barnching fractions and the invariant mass distributions for τ^-→h^-h⁺h^-ν_τ decays. 2010
256.	原著	Measurement of the branching fractions for B⁰ → D_s^+π^- and B⁰ → D_s^-K⁺ decays 2010
257.	原著	Measurement of \|V(ub)\| from inclusive charmless semileptonic B decays. 2010
258.	原著	Observation of a charmonium-like enhancement in the gamma gamma →　omega J/Psi process. 2010
259.	原著	Observation of a first ν_τ candidate in the OPERA experiment in the CNGS beam. 2010
260.	原著	Observation of an enhancement in e⁺e^-→Υ(1S)π⁺π^-,Υ(2S)π⁺π^-,Υ(3S)π⁺π^- production around √s=10.89 GeV at Belle. 2010
261.	原著	Search for B^o → K^0\barK^0, B^o → K^0K^0 and B^o → K⁺π^-K^-+π^+- decays. 2010
262.	原著	Search for B_s⁰ → hh decays at the Υ(5S) resonance. 2010
263.	原著	Search for CP violating charge asymmetry in B^+- → J/ΨK^+- decays. 2010
264.	原著	Search for CP violation in the decays D⁺_(s) → K_S⁰π⁺ and D⁺_(s) → K_S⁰K⁺ 2010
265.	原著	Search for lepton flavor violation tau- decays intp l-K0s and l-K0sK0s. 2010
266.	原著	Detectors and flux instrumentation for future neutrino facilities 2009
267.	原著	High-statistics study of neutral-pion pair production in two-photon collisions. 2009
268.	原著	High-statistics study of ηπ⁰ production in two-photon collisions. 2009
269.	原著	Measurement of B→D^*_sKπ branching fractions. 2009
270.	原著	Measurement of Charmless Hadronic b→s Penguin Decays in the π⁺π^-K⁺π^- Final State and Observation of B⁰→ρ⁰K⁺π^-. 2009
271.	原著	Measurement of Inclusive Radiative B-meson Decays with a Photon Energy Threshold of 1.7GeV. 2009
272.	原著	Measurement of the branching fraction for the decay Υ(4S)→Υ(1S)π⁺π^-. 2009
273.	原著	Measurement of the Decay B_s⁰→D_s^-π⁺ and Evidence for B_s⁰→D_s^±K^± in e⁺e^- Annihilation at √s ～10.87GeV. 2009
274.	原著	Measurement of the Differential Branching Fraction and Forward-Backward Asymmetry for B→ K^*l⁺l^-. 2009
275.	原著	Measurement of the e⁺e^-→J/Ψc\bar{c} cross section at √s～10.6GeV. 2009
276.	原著	Measurement of y(CP) in D⁰ meson decays to the K⁰_sK⁺K^- final state. 2009
277.	原著	Observation of B⁺→p anti-Lambdaπ⁺π^- at Belle. 2009
278.	原著	Observation of B⁺→p anti-Lambdaπ⁺π^- at Belle. 2009
279.	原著	Observation of B⁰→Lamdba ant-Lambda K⁰ and B⁰ to Lambda ant-Lambda K^*0 at Belle. 2009
280.	原著	Observation of Doubly Cabbibo-Suppressed Decay D⁺_s→K⁺K⁺π^-. 2009
281.	原著	Precise measurement of hadronic tau-decays with an eta meson. 2009
282.	原著	Search for Lepton-Flavor-Violating tau Decays into Lepton and f0(980) Meson. 2009
283.	原著	Search for X(1812) in B⁺→K^±ωπ. 2009
284.	原著	The detection of neutrino interactions in the emulsion/lead target of the OPERA experiment. 2009
285.	原著	The OPERA experiment in the CERN to Gran Sasso neutrino beam 2009
286.	原著	A thin emulsion spectrometer using a compact permanent magnet 2008
287.	原著	Emulsion sheet doublets as interface trackers for the OPERA experiment 2008
288.	原著	Evidence for Neutral B Meson Decays to omega K^*0. 2008
289.	原著	Improved measurement of time-dependent CP violation in B⁰→J/ψπ⁰ decays. 2008
290.	原著	Improved search for D⁰-\bar{D⁰} mixing using semileptonic decays at Belle. 2008
291.	原著	Leading order analysis of neutrino induced dimuon events in the CHORUS experiment 2008
292.	原著	Measurement of Azimuthal Asymmetries in Inclusive Production of Hadron Pairs in e⁺e^- Annihilation at √s = 10.58 GeV. 2008
293.	原著	Measurement of B(D_s⁺→μν). 2008
294.	原著	Measurement of B⁰→π⁺π^-π⁺π^- Decays and Search for B⁰→ρ⁰ρ⁰. 2008
295.	原著	Measurement of branching fractions, isospin and CP-violating asymmetries for exclusive b→ dγ modes. 2008
296.	原著	Measurement of CP asymmetries and branching fractions in a time-dependent Dalitz analysis of B⁰→ρπ⁰ and a constraint on the quark mixing angle φ₂. 2008
297.	原著	Measurement of masses of the Ξ_c(2645) and Ξ_c(2815) baryons and observation of Ξ_c(2980)→Ξ_c(2645)π. 2008
298.	原著	Measurement of the branching fraction and charge asymmetry of the decay B⁺→D⁺ \bar{D⁰} and search for B⁰→D⁰ \bar{D⁰}. 2008
299.	原著	Measurement of the Moments of the Photon Energy Spectrum in B→X_sγ Decays and Determination of \|V_cb\| and m_b at Belle. 2008
300.	原著	Measurement of the ratio B(D⁰→π⁺π^-π⁰)/B(D⁰→K^-π⁺π⁰) and time-integrated CP asymmetry in D⁰→π⁺π^-π⁰. 2008
301.	原著	Measurement of time-dependent CP violation in B⁰→ψ(2S)K⁰_s decays. 2008
302.	原著	Measurements of projectile-like Be⁸ and B⁹ production in 200-400 MeV/nucleon C¹² on water 2008
303.	原著	Observation of a near-threshold enhancement in the e⁺e^-→Λ⁺_cΛ^-_c cross section using initial-state radiation. 2008
304.	原著	Observation of B⁰→p\bar{p}K^0 with a large K^0 polarization. 2008
305.	原著	Observation of B^±→ψ(2S)π^± and search for direct CP-violation. 2008
306.	原著	Observation of two resonance-like structures in the π⁺χ_c1 mass distribution in exclusive \bar{B⁰}→K^-π⁺χ_c1 decays. 2008
307.	原著	Search for B⁺→D^*+π⁰ decay. 2008
308.	原著	Search for B⁰→J/ψφ decays. 2008
309.	原著	Search for B→π\ell⁺\ell^- Decays at Belle. 2008
310.	原著	Search for Lepton Flavor Violating τ Decays into Three Leptons 2008
311.	原著	Search for lepton-flavor-violating τ→\ellV0 decays at Belle. 2008
312.	原著	Studies of a proximity focusing RICH with aerogel radiator for future Belle upgrade 2008
313.	原著	Study of B→D^**\ellν with full reconstruction tagging. 2008
314.	原著	Study of intermediate two-body decays in \bar{B⁰}→Σ_c⁰(2455)\bar{p}π⁺. 2008
315.	原著	Study of the effects induced by lead on the emulsion films of the OPERA experiment 2008
316.	原著	Study of the Suppressed B meson Decay B^-→DK^-, D→K⁺π^-. 2008
317.	原著	Time-dependent CP Asymmetries in B⁰→K⁰_sρ⁰γ Decays. 2008
10件表示
全件表示(317件)

学会発表

1.	Ashra-I Observation and Run Control （口頭，一般） 2013/03/27
2.	Ashra-I トリガー読み出し較正（口頭，一般） 2013/03/27
3.	Ashra全体報告（口頭，一般） 2013/03/27
4.	AshraによるPeV空気シャワー観測（口頭，一般） 2012/09/13
5.	Ashraによるタウニュートリノ探査（口頭，一般） 2012/09/13
6.	Ashraトリガーシステムによる観測（口頭，一般） 2012/09/13
7.	Ashra全体報告（口頭，一般） 2012/09/13
8.	Current Observation Status of Ashra （口頭，一般） 2012/09/13
9.	Ashra報告53:観測報告（口頭，一般） 2010/03
10.	Ashra報告54:光学閃光解析（口頭，一般） 2010/03
11.	Ashra報告55:トリガー撮像（口頭，一般） 2010/03
12.	エマルション中の多重散乱測定によるΞ粒子識別法(KEK-E373) （口頭，一般） 2010/03
13.	ニュートリノ振動実験OPERAのタウニュートリノ反応探索（口頭，一般） 2010/03
14.	ニュートリノ振動実験OPERAのニュートリノ反応点探索（口頭，一般） 2010/03
15.	ニュートリノ振動実験OPERAの現状報告（口頭，一般） 2010/03
16.	Ashra報告50:観測報告及びトリガー開発の現状（口頭，一般） 2009/09
17.	Ashra報告51:トリガー用ファーバー束の性能評価（口頭，一般） 2009/09
18.	Ashra報告52:光学閃光観測（口頭，一般） 2009/09
19.	ニュートリノ振動実験OPERAの解析Ⅰ （口頭，一般） 2009/09
20.	ニュートリノ振動実験OPERAの解析Ⅱ （口頭，一般） 2009/09
21.	ニュートリノ振動実験OPERAの現状（口頭，一般） 2009/09
22.	Ashra Optical Transient Observation. （口頭，一般） 2009/07
23.	VHE neutrino pilot observation with the Ashra detector. （口頭，一般） 2009/07
24.	144ch Hybrid Avalanche Photo Detector の性能評価（口頭，一般） 2009/03
25.	Ashra報告 45:観測現状とスローコントロール（口頭，一般） 2009/03
26.	Ashra報告 46:光ファイバー伝送系の作製（口頭，一般） 2009/03
27.	Ashra報告 48:閃光観測（プリカーサーの探索）（口頭，一般） 2009/03
28.	Ashra報告 49:VHEニュートリノ観測（口頭，一般） 2009/03
29.	Ξ^-吸収によるダブルハイパー核生成の研究（口頭，一般） 2009/03
30.	長基線ニュートリノ振動実験OPERAおけるカウンターからECCへの繋ぎ（口頭，一般） 2009/03
31.	長基線ニュートリノ振動実験OPERAにおける「原子核乾板全自動解析システム」（口頭，一般） 2009/03
32.	長基線ニュートリノ振動実験OPERAにおけるニュートリノ反応点探索（口頭，一般） 2009/03
33.	長基線ニュートリノ振動実験OPERAにおける崩壊事象の探索（口頭，一般） 2009/03
34.	長基線ニュートリノ振動実験OPERAにおける崩壊事象の分析（口頭，一般） 2009/03
35.	長基線ニュートリノ振動実験OPERA現状報告（口頭，一般） 2009/03
36.	Aerogel-RICH のための光検出器HAPDの性能評価（口頭，一般） 2008/09
37.	Ashra報告 42:マウナロア観測地現状報告（口頭，一般） 2008/09
38.	Ashra報告 43:光学閃光観測（口頭，一般） 2008/09
39.	Ashra報告 44:チェレンコフニュートリノ観測（口頭，一般） 2008/09
40.	Photomaskを用いた原子核乾板の歪み補正技術の開発（口頭，一般） 2008/09
41.	Ξ^-吸収によるシングル/ダブルハイパー核生成の研究（口頭，一般） 2008/09
10件表示
全件表示(41件)

プロフィール

職歴

1.	2007/04～2009/03	東邦大学理学部物理学科准教授
2.	2009/04～	東邦大学理学部物理学科教授