Search Results - "Eliachevitch, M."
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B-flavor tagging at Belle II
Published in The European physical journal. C, Particles and fields (01-04-2022)“…We report on new flavor tagging algorithms developed to determine the quark-flavor content of bottom ( ) mesons at Belle II. The algorithms provide essential…”
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Punzi-loss: a non-differentiable metric approximation for sensitivity optimisation in the search for new particles
Published in The European physical journal. C, Particles and fields (2022)“…We present the novel implementation of a non-differentiable metric approximation and a corresponding loss-scheduling aimed at the search for new particles of…”
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Punzi-loss
Published in The European physical journal. C, Particles and fields (01-02-2022)“…We present the novel implementation of a non-differentiable metric approximation and a corresponding loss-scheduling aimed at the search for new particles of…”
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Combined analysis of Belle and Belle II data to determine the CKM angle ϕ 3 using B + → D( K S 0 $$ {K}_S^0 $$ h + h − )h + decays
Published in The journal of high energy physics (01-02-2022)“…Abstract We present a measurement of the Cabibbo-Kobayashi-Maskawa unitarity triangle angle ϕ 3 (also known as γ) using a model-independent Dalitz plot…”
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Tests of Light-Lepton Universality in Angular Asymmetries of B0→D-ℓν Decays
Published in Physical review letters (03-11-2023)“…We present the first comprehensive tests of light-lepton universality in the angular distributions of semileptonic $B^0$-meson decays to charged spin-1 charmed…”
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Measurements of the branching fractions of $$ {\Xi}_c^0\to {\Xi}^0{\pi}^0 $$, $$ {\Xi}_c^0\to {\Xi}^0\eta $$, and $$ {\Xi}_c^0\to {\Xi}^0{\eta}^{\prime } $$ and asymmetry parameter of $$ {\Xi}_c^0\to {\Xi}^0{\pi}^0
Published in The journal of high energy physics (04-10-2024)“…A bstract We present a study of $$ {\Xi}_c^0\to {\Xi}^0{\pi}^0 $$ Ξ c 0 → Ξ 0 π 0 , $$ {\Xi}_c^0\to {\Xi}^0\eta $$ Ξ c 0 → Ξ 0 η , and $$ {\Xi}_c^0\to…”
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Search for lepton-flavor-violating τ−→ μ−μ+μ− decays at Belle II
Published in The journal of high energy physics (11-09-2024)“…A bstract We present the result of a search for the charged-lepton-flavor violating decay τ − → μ − μ + μ − using a 424 fb − 1 sample of data recorded by the…”
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Measurement of the branching fractions of $$ \overline{B} $$ → D()K−$$ {K}_{(S)}^{\left(\ast \right)0} $$ and $$ \overline{B} $$ → D()$$ {D}_s^{-} $$ decays at Belle II
Published in The journal of high energy physics (26-08-2024)“…Abstract We present measurements of the branching fractions of eight $$ {\overline{B}}^0 $$ B ¯ 0 → D (*)+ K − $$ {K}_{(S)}^{\left(\ast \right)0} $$ K S ∗ 0 ,…”
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Test of light-lepton universality in τ decays with the Belle II experiment
Published in The journal of high energy physics (26-08-2024)“…A bstract We present a measurement of the ratio R μ = B τ − → μ − ν ¯ μ ν τ / B τ − → e − ν ¯ e ν τ of branching fractions B of the τ lepton decaying to muons…”
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Study of Υ(10753) decays to π+π−Υ(nS) final states at Belle II
Published in The journal of high energy physics (12-07-2024)“…A bstract We present an analysis of the process e + e − → π + π − Υ( nS ) (where n = 1, 2, or 3) reconstructed in 19 . 6 fb − 1 of Belle II data during a…”
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Tests of Light-Lepton Universality in Angular Asymmetries of B 0 → D − ℓ ν Decays
Published in Physical review letters (01-10-2023)Get full text
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Measurement of C P Violation in B 0 → K S 0 π 0 Decays at Belle II
Published in Physical review letters (01-09-2023)“…We report a measurement of the C P -violating parameters C and S in B 0 → K S 0 π 0 decays at Belle II using a sample of 387 × 10 6 B B ¯ events recorded in e…”
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Search for an invisible $Z^\prime$ in a final state with two muons and missing energy at Belle II
Published in Physical review letters (07-06-2023)“…The $L_{\mu}-L_{\tau}$ extension of the standard model predicts the existence of a lepton-flavor-universality-violating $Z^{\prime}$ boson that couples only to…”
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Observation of e+e–→ωχbJ(1P) and Search for Xb→ωΥ(1S) at s near 10.75 GeV
Published in Physical review letters (03-03-2023)“…We study the processes $e^{+}e^{–} → ωχ_{bJ}$(1P) (J=0, 1, or 2) using samples at center-of-mass energies $\sqrt{s}$ = 10.701, 10.745, and 10.805 GeV,…”
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Observation of $e^+e^-\to\omega\chi_{bJ}(1P)$ and search for $X_b \to \omega\Upsilon(1S)$ at $\sqrt{s}$ near 10.75 GeV
Published in Physical review letters (03-03-2023)“…We study the processes $e^+e^-\to\omega\chi_{bJ}(1P)$ ($J$ = 0, 1, or 2) using samples at center-of-mass energies $\sqrt{s}$ = 10.701, 10.745, and 10.805 GeV,…”
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Observation of e + e − → ω χ b J ( 1 P ) and Search for X b → ω ϒ ( 1 S ) at s near 10.75 GeV
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Combined analysis of Belle and Belle II data to determine the CKM angle φ3 using B+ → D($ {K}_S^0 $h+h–)h+ decays
Published in The journal of high energy physics (09-02-2022)“…We present a measurement of the Cabibbo-Kobayashi-Maskawa unitarity triangle angle φ3 (also known as γ) using a model-independent Dalitz plot analysis of B+ →…”
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Measurements of the branching fractions of Ξ c 0 → Ξ 0 π 0 $$ {\Xi}_c^0\to {\Xi}^0{\pi}^0 $$ , Ξ c 0 → Ξ 0 η $$ {\Xi}_c^0\to {\Xi}^0\eta $$ , and Ξ c 0 → Ξ 0 η ′ $$ {\Xi}_c^0\to {\Xi}^0{\eta}^{\prime } $$ and asymmetry parameter of Ξ c 0 → Ξ 0 π 0 $$ {\Xi}_c^0\to {\Xi}^0{\pi}^0
Published in The journal of high energy physics (01-10-2024)“…Abstract We present a study of Ξ c 0 → Ξ 0 π 0 $$ {\Xi}_c^0\to {\Xi}^0{\pi}^0 $$ , Ξ c 0 → Ξ 0 η $$ {\Xi}_c^0\to {\Xi}^0\eta $$ , and Ξ c 0 → Ξ 0 η ′ $$…”
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Determination of the CKM angle ϕ 3 from a combination of Belle and Belle II results
Published in The journal of high energy physics (01-10-2024)“…Abstract We report a determination of the CKM angle ϕ 3, also known as γ, from a combination of measurements using samples of up to 711 fb −1 from the Belle…”
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