T. Shibata

activity

20042021

e^{+} e^{-} \to π^{+} π^{-} J / ψ

and Observation of a Charged Charmonium-like State at Belle

739 citations · 9.7k across the 188 of their papers we have counts for

collaborators

190 papers

hep-ex2021★ 1 cited

Study of $χ_{b J} (n P) \to ω Υ (1 S)$ at Belle

Belle Collaboration, A. Abdesselam, I. Adachi +470

We report results from a study of hadronic transitions of the $χ_{b J} (n P)$ states of bottomonium at Belle. The $P$ -wave states are reconstructed in transitions to the $Υ (1 S)$ with…

hep-ex2021★ 3 cited

Search for the Decay $B_{s}^{0} \to η^{'} η$

Belle Collaboration, N. K. Nisar, V. Savinov +197

We report the results of the first search for the decay $B_{s}^{0} \to η^{'} η$ using $121.4 fb^{- 1}$ of data collected at the $Υ (5 S)$ resonance with the Belle dete…

astro-ph.HE2020★ 47 cited

The Cosmic-Ray Composition between 2 PeV and 2 EeV Observed with the TALE Detector in Monocular Mode

Telescope Array Collaboration

We report on a measurement of the cosmic ray composition by the Telescope Array Low-Energy Extension (TALE) air fluorescence detector (FD). By making use of the Cherenkov light sig…

hep-ex2020★ 6 cited

Measurement of two-particle correlations in hadronic $e^{+} e^{-}$ collisions at Belle

Belle Collaboration, A. Abdesselam, I. Adachi +459

The enhancement of charged-particle pairs with large pseudorapidity difference and small azimuthal angle difference, often referred to as the ``ridge signal'', is a phenomenon wide…

astro-ph.HE2020★ 21 cited

Measurement of the Proton-Air Cross Section with Telescope Array's Black Rock Mesa and Long Ridge Fluorescence Detectors, and Surface Array in Hybrid Mode

R. U. Abbasi, M. Abe, T. Abu-Zayyad +140

Ultra high energy cosmic rays provide the highest known energy source in the universe to measure proton cross sections. Though conditions for collecting such data are less controll…

hep-ex2020★ 5 cited

Search for $B^{0}$ Decays to Invisible Final States ( $+ γ$ ) at Belle

Belle Collaboration, Y. Ku, P. Chang +153

We report searches for $B^{0} \to invisible$ and $B^{0} \to invisible + γ$ decays, where the energy of the photon is required to be larger than 0.5 GeV. These results are obtained…

hep-ex2019★ 236 cited

Measurement of $R (D)$ and $R (D^{*})$ with a semileptonic tagging method

The Belle Collaboration, G. Caria, P. Urquijo +188

The experimental results on the ratios of branching fractions $R (D) = B (B ˉ \to D τ^{-} ν ˉ_{τ}) / B (B ˉ \to D ℓ^{-} ν ˉ_{ℓ})$ and $\mathcal{R}(D^…

hep-ex2019★ 134 cited

Test of lepton flavor universality and search for lepton flavor violation in $B \to K ℓℓ$ decays

S. Choudhury, S. Sandilya, K. Trabelsi +220

We present measurements of the branching fractions for the decays $B \to K μ^{+} μ^{-}$ and $B \to K e^{+} e^{-}$ , and their ratio ( $R_{K}$ ), using a data sample of 711 $f b^{- 1}$ that…

astro-ph.HE2019★ 9 cited

Search for Ultra-High-Energy Neutrinos with the Telescope Array Surface Detector

R. U. Abbasi, M. Abe, T. Abu-Zayyad +133

We present an upper limit on the flux of ultra-high-energy down-going neutrinos for $E > 10^{18}\ \mbox{eV}$ derived with the nine years of data collected by the Telescope Array su…

hep-ex2019★ 2 cited

Measurement of branching fraction and final-state asymmetry for the $B ˉ^{0} \to K_{S}^{0} K^{\mp} π^{\pm}$ decay

Belle Collaboration, Y. -T. Lai, I. Adachi +184

We report a measurement of the branching fraction and final-state asymmetry for the $B ˉ^{0} \to K_{S}^{0} K^{\mp} π^{\pm}$ decays. The analysis is based on a data sample of 711 $…

hep-ex2019★ 170 cited

Test of lepton-flavor universality in $B \to K^{*} ℓ^{+} ℓ^{-}$ decays at Belle

Belle Collaboration, S. Wehle, I. Adachi +179

We present a measurement of $R_{K^{*}}$ , the branching fraction ratio $B (B \to K^{*} μ^{+} μ^{-})$ / $B (B \to K^{*} e^{+} e^{-})$ , for both charged and neutral $B$ meso…

hep-ex2019★ 35 cited

Measurement of the $D^{-}$ polarization in the decay $B^{0} \to D^{-} τ^{+} ν_{τ}$

Belle Collaboration, A. Abdesselam, I. Adachi +457

We report the first measurement of the $D^{*-}$ meson polarization in the decay $B^{0} \to D^{*-} τ^{+} ν_{τ}$ using the full data sample of 772 $\times 1 0^{6}$ $B B ˉ$ pairs recorded…

hep-ex2019★ 27 cited

Transverse momentum dependent production cross sections of charged pions, kaons and protons produced in inclusive $e^{+} e^{-}$ annihilation at $s =$ 10.58 GeV

R. Seidl, I. Adachi, J. K. Ahn +183

We report measurements of the production cross sections of charged pions, kaons, and protons as a function of fractional energy, the event-shape variable called thrust, and the tra…

hep-ex2019★ 7 cited

Search for the $B \to Y (4260) K, Y (4260) \to J / ψ π^{+} π^{-}$ decays

Belle collaboration, R. Garg, V. Bhardwaj +172

We report the results of a search for the $B \to Y (4260) K, Y (4260) \to J / ψ π^{+} π^{-}$ decays. This study is based on a data sample corresponding to an integrated luminosity of 711~fb$…

hep-ex2018★ 3 cited

Measurements of branching fraction and direct $C P$ asymmetry in $B^{\pm} \to K_{S}^{0} K_{S}^{0} K^{\pm}$ and a search for $B^{\pm} \to K_{S}^{0} K_{S}^{0} π^{\pm}$

The Belle Collaboration, A. B. Kaliyar, P. Behera +197

We study charmless hadronic decays of charged $B$ mesons to the final states $K_{S}^{0} K_{S}^{0} K^{\pm}$ and $K_{S}^{0} K_{S}^{0} π^{\pm}$ using a $711 f b^{- 1}$ data sample that cont…

hep-ex2018★ 10 cited

Observation of $e^{+} e^{-} \to γ χ_{c 1}$ and search for $e^{+} e^{-} \to γ χ_{c 0}, γ χ_{c 2},$ and $γ η_{c}$ at $s$ near 10.6 GeV at Belle

Belle Collaboration, S. Jia, X. L. Wang +190

Using data samples of 89.5~fb $^{- 1}$ , 711.0~fb $^{- 1}$ , and 121.4~fb $^{- 1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider at center-of-mass energ…

hep-ex2018★ 52 cited

First measurements of absolute branching fractions of $Ξ_{c}^{0}$ at Belle

Belle Collaboration, Y. B. Li, C. P. Shen +158

We present the first measurements of absolute branching fractions of $Ξ_{c}^{0}$ decays into $Ξ^{-} π^{+}$ , $Λ K^{-} π^{+}$ , and $p K^{-} K^{-} π^{+}$ final states. The measurements are made using a…

hep-ex2018★ 46 cited

Observation of $Ξ (1620)^{0}$ and evidence for $Ξ (1690)^{0}$ in $Ξ_{c}^{+} \to Ξ^{-} π^{+} π^{+}$ decays

Belle collaboration, M. Sumihama, I. Adachi +183

We report the first observation of the doubly-strange baryon $Ξ (1620)^{0}$ in its decay to $Ξ^{-} π^{+}$ via $Ξ_{c}^{+} \to Ξ^{-} π^{+} π^{+}$ decays based on a $980 fb^{- 1}$ data sa…

hep-ex2018★ 32 cited

Search for the rare decay of $B^{+} \to ℓ^{+} ν_{ℓ} γ$ with improved hadronic tagging

M. Gelb, F. U. Bernlochner, P. Goldenzweig +184

We present the result of the search for the rare $B$ meson decay of $B^{+} \to ℓ^{+} ν_{ℓ} γ$ with $ℓ = e, μ$ . For the search the full data set recorded by the Belle experim…

hep-ex2018★ 6 cited

Search for $C P$ violation with kinematic asymmetries in the $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ decay

Belle Collaboration, J. B. Kim, E. Won +182

We search for $C P$ violation in the singly-Cabibbo-suppressed decay $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ using data corresponding to an integrated luminosity of $988\text{ }{\rm…

hep-ex2018★ 3 cited

Measurement of time-dependent $C P$ violation in $B^{0} \to K_{S}^{0} π^{0} π^{0}$ decays

Belle Collaboration, Y. Yusa, H. Aihara +155

We report a measurement of time-dependent $C P$ violation in $B^{0} \to K_{S}^{0} π^{0} π^{0}$ decays using a data sample of $772 \times 1 0^{6}$ $B B ˉ$ pairs collected by the Belle experime…

hep-ex2018★ 23 cited

Search for a light CP-odd Higgs boson and low-mass dark matter at the Belle experiment

Belle Collaboration, I. S. Seong, S. E. Vahsen +187

We report on the first Belle search for a light CP-odd Higgs boson, $A^{0}$ , that decays into low mass dark matter, $χ$ , in final states with a single photon and missing energy. We…

hep-ex2018★ 112 cited

Measurement of the CKM Matrix Element $∣ V_{c b} ∣$ from $B^{0} \to D^{*-} ℓ^{+} ν_{ℓ}$ at Belle

E. Waheed, P. Urquijo, I. Adachi +184

We present a new measurement of the CKM matrix element $∣ V_{c b} ∣$ from $B^{0} \to D^{*-} ℓ^{+} ν_{ℓ}$ decays, reconstructed with the full Belle data set of $711 f b^{- 1}$ i…

hep-ex2018★ 66 cited

Observation of Transverse $Λ/ Λ ˉ$ Hyperon Polarization in $e^{+} e^{-}$ Annihilation at Belle

Belle Collaboration, Y. Guan, A. Vossen +205

We report the first observation of the spontaneous polarization of $Λ$ and $Λ ˉ$ hyperons transverse to the production plane in $e^{+} e^{-}$ annihilation, which is attributed to the…

Study of χbJ​(nP)→ωΥ(1S) at Belle

Search for the Decay Bs0​→η′η

The Cosmic-Ray Composition between 2 PeV and 2 EeV Observed with the TALE Detector in Monocular Mode

Measurement of two-particle correlations in hadronic e+e− collisions at Belle

Measurement of the Proton-Air Cross Section with Telescope Array's Black Rock Mesa and Long Ridge Fluorescence Detectors, and Surface Array in Hybrid Mode

Search for B0 Decays to Invisible Final States (+γ) at Belle

Measurement of R(D) and R(D∗) with a semileptonic tagging method

Test of lepton flavor universality and search for lepton flavor violation in B→Kℓℓ decays

Search for Ultra-High-Energy Neutrinos with the Telescope Array Surface Detector

Measurement of branching fraction and final-state asymmetry for the Bˉ0→KS0​K∓π± decay

Test of lepton-flavor universality in B→K∗ℓ+ℓ− decays at Belle

Measurement of the D∗− polarization in the decay B0→D∗−τ+ντ​

Transverse momentum dependent production cross sections of charged pions, kaons and protons produced in inclusive e+e− annihilation at s​= 10.58 GeV

Search for the B→Y(4260)K, Y(4260)→J/ψπ+π− decays

Measurements of branching fraction and direct CP asymmetry in B±→KS0​KS0​K± and a search for B±→KS0​KS0​π±

Observation of e+e−→γχc1​ and search for e+e−→γχc0​,γχc2​, and γηc​ at s​ near 10.6 GeV at Belle

First measurements of absolute branching fractions of Ξc0​ at Belle

Observation of Ξ(1620)0 and evidence for Ξ(1690)0 in Ξc+​→Ξ−π+π+ decays

Search for the rare decay of B+→ℓ+νℓ​γ with improved hadronic tagging

Search for CP violation with kinematic asymmetries in the D0→K+K−π+π− decay

Measurement of time-dependent CP violation in B0→KS0​π0π0 decays