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Št. zadetkov: 12
Doktorska disertacija
Oznake: physics of elementary particles;electroweak penguins;missing energy;meson decays;anomalies;Belle;Belle II;
We present the first search for the rare decay $B^{0}\!\to\!K^0_S\tau^{+}\tau^{-}$ using approximately $1~\mathrm{ab}^{-1}$ of $e^+e^-$ collision data collected with the Belle and Belle II experiments at the KEKB and SuperKEKB colliders between 1999-2009 and 2019-2022, respectively. The decay procee ...
Leto: 2026 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Izvirni znanstveni članek
Oznake: eksperimentalna fizika;fizika osnovnih delcev;razpadi delcev;experimental physics;physics of elementary particles;particle decays;
We present the first search for the lepton-flavor-violating decay modes $B^0 \to K^0_S\tau^{\pm}\ell^{\mp}(\ell = \mu, e)$ using the 711 and 365 fb$^{-1}$ data samples recorded by the Belle and Belle II detectors, respectively. We use a hadronic $B$-tagging technique to fully reconstruct a $B$ meson ...
Leto: 2025 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Izvirni znanstveni članek
Oznake: eksperiment Belle;razpad delcev;eksperiment Belle II;Belle experiment;decays;Belle II experiment;
Leto: 2025 Vir: Institut Jožef Stefan (IJS)
Izvirni znanstveni članek
Oznake: razpad delcev;eksperiment Belle II;decays;Belle II experiment;
Leto: 2025 Vir: Institut Jožef Stefan (IJS)
Izvirni znanstveni članek
Oznake: Belle experiment;beyond standard model;magnetic spectrometer;
We measure the branching fraction of the decay 𝐵−→𝐷0⁢𝜌⁢(770)− using data collected with the Belle II detector. The data contain 387 million 𝐵⁢ ¯ 𝐵 pairs produced in 𝑒+⁢𝑒− collisions at the ϒ⁡(4⁢𝑆) resonance. We reconstruct 8360±180 decays from an analysis of the distributions of the 𝐵− ene ...
Leto: 2024 Vir: Institut Jožef Stefan (IJS)
Št. zadetkov: 12
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