Search Results - "Sanuki, T"
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Measurement of R(D) and R(D^{}) with a Semileptonic Tagging Method
Published in Physical review letters (24-04-2020)“…The experimental results on the ratios of branching fractions R(D)=B(B[over ¯]→Dτ^{-}ν[over ¯]_{τ})/B(B[over ¯]→Dℓ^{-}ν[over ¯]_{ℓ}) and R(D^{*})=B(B[over…”
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2
Lepton-Flavor-Dependent Angular Analysis of B→K^{}ℓ^{+}ℓ^{-}
Published in Physical review letters (17-03-2017)“…We present a measurement of angular observables and a test of lepton flavor universality in the B→K^{*}ℓ^{+}ℓ^{-} decay, where ℓ is either e or μ. The analysis…”
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3
Test of lepton flavor universality and search for lepton flavor violation in B → Kℓℓ decays
Published in The journal of high energy physics (01-03-2021)“…A bstract We present measurements of the branching fractions for the decays B → Kμ + μ − and B → Ke + e − , and their ratio ( R K ), using a data sample of 711…”
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4
Study of e+ e- → π+ π- J/ψ and observation of a charged charmoniumlike state at Belle
Published in Physical review letters (21-06-2013)“…The cross section for ee+ e- → π+ π- J/ψ between 3.8 and 5.5 GeV is measured with a 967 fb(-1) data sample collected by the Belle detector at or near the…”
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5
Search for lepton-flavor-violating tau-lepton decays to ℓγ at Belle
Published in The journal of high energy physics (01-10-2021)“…A bstract Charged lepton flavor violation is forbidden in the Standard Model but possible in several new physics scenarios. In many of these models, the…”
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6
Observation of Transverse Λ/Λ[over ¯] Hyperon Polarization in e^{+}e^{-} Annihilation at Belle
Published in Physical review letters (01-02-2019)“…We report the first observation of the spontaneous polarization of Λ and Λ[over ¯] hyperons transverse to the production plane in e^{+}e^{-} annihilation,…”
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7
Observation of an Excited Ω^{-} Baryon
Published in Physical review letters (03-08-2018)“…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} with a mass of…”
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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
Published in The journal of high energy physics (01-10-2019)“…A bstract We report a new measurement of the e + e − → ϒ( nS ) π + π − ( n = 1 , 2 , 3) cross sections at energies from 10 . 52 to 11 . 02 GeV using data…”
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9
Retrospective study of technical aspects and complications of endoscopic submucosal dissection for laterally spreading tumors of the colorectum
Published in Endoscopy (01-09-2010)“…Laterally spreading tumors - non granular type (LST-NG) are more often considered candidates for endoscopic submucosal dissection (ESD) than laterally…”
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10
Observation of the spatial distribution of gravitationally bound quantum states of ultracold neutrons and its derivation using the Wigner function
Published in Physical review letters (21-02-2014)“…Ultracold neutrons (UCNs) can be bound by the potential of terrestrial gravity and a reflecting mirror. The wave function of the bound state has characteristic…”
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11
Measurement of the branching fraction B(Λc+ → pK-π+)
Published in Physical review letters (25-07-2014)“…We present the first model-independent measurement of the absolute branching fraction of the Λ(c)(+) → pK(-)π(+) decay using a data sample of 978 fb(-1)…”
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12
An improved search for the electric dipole moment of the τ lepton
Published in The journal of high energy physics (20-04-2022)“…A bstract We report a measurement of the electric dipole moment of the τ lepton ( dτ ) using an 833 fb − 1 data sample collected near the Υ(4 S ) resonance,…”
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13
Observation of X(3872)→J/ψγ and search for X(3872)→ψ'γ in B decays
Published in Physical review letters (26-08-2011)“…We report a study of B→(J/ψγ)K and B→(ψ'γ)K decay modes using 772×10⁶ B ̅B events collected at the Υ(4S) resonance with the Belle detector at the KEKB…”
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14
Measurement of Two-Particle Correlations of Hadrons in e^{+}e^{-} Collisions at Belle
Published in Physical review letters (08-04-2022)“…The measurement of two-particle angular correlation functions in high-multiplicity e^{+}e^{-} collisions at sqrt[s]=10.52 GeV is reported. In this study, the…”
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15
Search for the dark photon and the dark Higgs boson at belle
Published in Physical review letters (27-05-2015)“…The dark photon A^{'} and the dark Higgs boson h^{'} are hypothetical constituents featured in a number of recently proposed dark sector models. Assuming…”
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16
The performance of a novel ball‐tipped Flush knife for endoscopic submucosal dissection: a case–control study
Published in Alimentary pharmacology & therapeutics (01-10-2010)“…Aliment Pharmacol Ther 2010; 32: 908–915 Summary Background Endoscopic submucosal dissection (ESD) using short needle knives is safe and effective, but…”
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17
First measurement of the Λc+→ pη′ decay
Published in The journal of high energy physics (01-03-2022)“…A bstract We present the first measurement of the branching fraction of the singly Cabibbo-suppressed (SCS) decay Λ c + → pη ′ with η ′ → ηπ + π − , using a…”
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Search for charged lepton flavor violating decays of ϒ (1S)
Published in The journal of high energy physics (16-05-2022)“…A bstract We present a search for the charged lepton-flavor-violating decays ϒ(1 S ) → ℓ ± ℓ ′ ∓ and radiative charged lepton-flavour-violating decays ϒ(1 S )…”
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Search for a Light Higgs Boson in Single-Photon Decays of ϒ(1S) Using ϒ(2S)→π^{+}π^{-}ϒ(1S) Tagging Method
Published in Physical review letters (25-02-2022)“…We search for a light Higgs boson (A^{0}) decaying into a τ^{+}τ^{-} or μ^{+}μ^{-} pair in the radiative decays of ϒ(1S). The production of ϒ(1S) mesons is…”
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Experimental validation of a novel compact focusing scheme for future energy-frontier linear lepton colliders
Published in Physical review letters (24-01-2014)“…A novel scheme for the focusing of high-energy leptons in future linear colliders was proposed in 2001 [P. Raimondi and A. Seryi, Phys. Rev. Lett. 86, 3779…”
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