Search Results - "Bertemes, M"
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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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Measurement of the energy dependence of the e+e− → $$ B\overline{B} $$, $$ B{\overline{B}}^{\ast } $$, and $$ {B}^{\ast }{\overline{B}}^{\ast } $$ cross sections at Belle II
Published in The journal of high energy physics (15-10-2024)“…A bstract We report measurements of the e + e − → $$ B\overline{B} $$ B B ¯ , $$ B{\overline{B}}^{\ast } $$ B B ¯ ∗ , and $$ {B}^{\ast }{\overline{B}}^{\ast }…”
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Measurements of the branching fractions of $$ {\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 $$ {\Xi}_c^0\to…”
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Measurement of the branching fractions of $$ \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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Precise Measurement of the D s + Lifetime at Belle II
Published in Physical review letters (01-10-2023)“…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…”
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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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Search for a $\tau^+\tau^-$ resonance in $e^{+}e^{-}\rightarrow \mu^{+}\mu^{-} \tau^+\tau^-$ events with the Belle II experiment
Published in Physical review letters (21-09-2023)“…We report the first search for a non-standard-model resonance decaying into $\tau$ pairs in $e^{+}e^{-}\rightarrow \mu^{+}\mu^{-} \tau^+\tau^-$ events in the…”
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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 $e^+e^-\to\omega\chi_{bJ}(1P)$ 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
Published in Physical review letters (01-03-2023)Get full text
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The Neural Network First-Level Hardware Track Trigger of the Belle II Experiment
Published 22-02-2024“…We describe the principles and performance of the first-level ("L1") hardware track trigger of Belle II, based on neural networks. The networks use as input…”
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Punzi-loss: A non-differentiable metric approximation for sensitivity optimisation in the search for new particles
Published 17-12-2021“…Eur. Phys. J. C 82 (2022) 121 We present the novel implementation of a non-differentiable metric approximation and a corresponding loss-scheduling aimed at the…”
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Snowmass 2021 White Paper on Upgrading SuperKEKB with a Polarized Electron Beam: Discovery Potential and Proposed Implementation
Published 25-05-2022“…Upgrading the SuperKEKB electron-positron collider with polarized electron beams opens a new program of precision physics at a center-of-mass energy of 10.58…”
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Belle II Executive Summary
Published 18-03-2022“…Belle II is a Super $B$ Factory experiment, expected to record 50 ab$^{-1}$ of $e^+e^-$ collisions at the SuperKEKB accelerator until 2035. The large samples…”
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