Search Results - "Stottler, Z. S."
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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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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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Search for B + → K + ν ν ¯ Decays Using an Inclusive Tagging Method at Belle II
Published in Physical review letters (29-10-2021)“…A search for the flavor-changing neutral-current decay B+ →K+$ν\bar{ν}$ is performed at the Belle II experiment at the SuperKEKB asymmetric energy…”
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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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Evidence of a New Excited Charmed Baryon Decaying to Σ c ( 2455 ) 0 , + + π
Published in Physical review letters (01-01-2023)“…Not provided…”
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Evidence for X ( 3872 ) → J / ψ π + π − Produced in Single-Tag Two-Photon Interactions
Published in Physical review letters (23-03-2021)Get full text
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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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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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Precise Measurement of the Ds+ Lifetime at Belle II
Published in Physical review letters (27-10-2023)“…We measure the lifetime of the $D^+_s$ meson using a data sample of 207 fb-1 collected by the Belle II experiment running at the SuperKEKB asymmetric-energy…”
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Measurement of Angular Coefficients of B ¯ → D ℓ ν ¯ ℓ : Implications for | V c b | and Tests of Lepton Flavor Universality
Published in Physical review letters (24-09-2024)“…We measure the complete set of angular coefficients J i for exclusive B ¯ → D * ℓ ν ¯ ℓ decays ( ℓ = e , μ ). Our analysis uses the full 711 fb − 1 Belle…”
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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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First Simultaneous Determination of Inclusive and Exclusive | Vub
Published in Physical review letters (21-11-2023)“…The first simultaneous determination of the absolute value of the Cabibbo-Kobayashi-Maskawa matrix element $V_{ub}$ using inclusive and exclusive decays is…”
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Search for the double-charmonium state with ηcJ/ψ at Belle
Published in The journal of high energy physics (18-08-2023)“…A bstract We measure the cross section of e + e − → η c J/ψ at the Υ( nS )( n = 1–5) on-resonance and 10.52 GeV off-resonance energy points using the full data…”
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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 charged-lepton flavor violation in Υ(2S) → ℓ∓τ± (ℓ = e, μ) decays at Belle
Published in The journal of high energy physics (23-02-2024)“…A bstract We report a search for the charged-lepton flavor violation in Υ(2 S ) → ℓ ∓ τ ± ( ℓ = e, μ ) decays using a 25 fb − 1 Υ(2 S ) sample collected by the…”
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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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First Measurement of the Michel Parameter ξ′ in the τ− → μ− ν ¯ μντ Decay at Belle
Published in Physical review letters (01-07-2023)“…Not provided…”
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Measurement of CP asymmetries and branching-fraction ratios for B± → DK± and Dπ± with D → $$ {K}_{\textrm{S}}^0 $$K±π∓ using Belle and Belle II data
Published in The journal of high energy physics (21-09-2023)“…A bstract We measure CP asymmetries and branching-fraction ratios for B ± → DK ± and Dπ ± decays with D → $$ {K}_{\textrm{S}}^0 $$ K S 0 K ± π ∓ , where D is a…”
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First Measurement of the B+→π+π0π0 Branching Fraction and CP Asymmetry
Published in Physical review letters (05-05-2023)“…We study B+ → π+π0π0 using 711 fb-1 of data collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. Here we…”
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Measurement of the e+e− → $$ {B}_s^0{\overline{B}}_s^0X $$ cross section in the energy range from 10.63 to 11.02 GeV using inclusive $$ {D}_s^{+} $$ and D0 production
Published in The journal of high energy physics (21-08-2023)“…A bstract We report the first measurement of the inclusive e + e − → $$ b\overline{b} $$ b b ¯ → $$ {D}_s^{\pm } $$ D s ± X and e + e − → $$ b\overline{b} $$ b…”
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