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Related papers: Software and Physics Simulation at Belle II

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The Belle II experiment operates at the SuperKEKB asymmetric-energy $e^+e^-$ collider. During the Run 1 data taking, we have collected an integrated luminosity of $424\text{ fb}^{-1}$ of collision data at the energy near the $\Upsilon (4S)$…

High Energy Physics - Experiment · Physics 2025-02-18 Shu-Ping Lin

Tau leptons are powerful tools to probe physics beyond the Standard Model (SM). The Belle II experiment is installed at the SuperKEKB asymmetric energy electron-positron collider and aims at collecting the world's largest sample of tau pair…

High Energy Physics - Experiment · Physics 2023-08-21 Laura Zani

We review recent results from the Belle experiment, which took data at the KEKB asymmetric-energy e+e- collider in Japan. The experiment recorded about 1000 fb^{-1} of data running mainly at the \Upsilon(4S) and \Upsilon(5S) resonances. The…

High Energy Physics - Experiment · Physics 2017-01-04 Zachary King , A. J. Schwartz

The Belle II experiment at the SuperKEKB energy-asymmetric $e^+ e^-$ collider is a substantial upgrade of the B factory facility, Belle, at the Japanese KEK laboratory. The main operation of SuperKEKB has started in March 2019, and…

High Energy Physics - Experiment · Physics 2020-01-09 Andrea Fodor

The Belle II experiment at the SuperKEKB electron-positron collider aims to collect an unprecedented data set of $50~{\rm ab}^{-1}$ to study $CP$-violation in the $B$-meson system and to search for Physics beyond the Standard Model.…

With the nearing completion of the first-generation experiments at asymmetric $e^+ e^-$ colliders running at the $\Upsilon(4S)$ resonance ("B-Factories") a new era of high luminosity machines is at the horizon. We report here on the plans…

High Energy Physics - Experiment · Physics 2010-01-15 Christian Kiesling

High precision measurements in the quark flavor sector are essential for searching for new physics beyond the Standard model. SuperKEKB collider and Belle II detector are designed to perform such measurements. The status and prospects of…

High Energy Physics - Experiment · Physics 2019-08-13 T. Aushev

Mitigation of beam backgrounds via collimators is critical for the success of the Belle~II experiment at the SuperKEKB electron-positron collider. We report on an improved simulation methodology, which includes a refined physical…

Accelerator Physics · Physics 2021-08-18 A. Natochii , S. E. Vahsen , H. Nakayama , T. Ishibashi , S. Terui

The Belle II detector at the SuperKEKB accelerator complex is covering a wide range of exciting physics topics. To achieve the project's research goals, a substantial increase of the data sample to 50~ab$^{-1}$ is needed, and for that, the…

High Energy Physics - Experiment · Physics 2022-11-28 Peter Krizan

Belle II is an experiment operating at the intensity frontier. Over the next decades, it will record the decay of billions of bottom mesons, charm hadrons, and tau leptons produced in 10 GeV electron-positron collisions at the SuperKEKB…

Time dependent CP-violation phenomena are a powerful tool to precisely measure fundamental parameters of the Standard Model and search for New Physics. The Belle II experiment at the SuperKEKB energy-asymmetric $e^+e^-$ collider is a…

High Energy Physics - Experiment · Physics 2019-06-20 Stefano Lacaprara

The Belle II experiment at the SuperKEKB energy-asymmetric electron-positron collider is a substantial upgrade of the B factory facility at the Japanese KEK laboratory. Belle II collected a sample of $362~\mathrm{fb}^{-1}$ at the…

High Energy Physics - Experiment · Physics 2023-08-22 Valerio Bertacchi

The Belle II experiment, located at the SuperKEKB collider at the high-energy research facility KEK in Tsukuba, Japan, started operation in 2018. Compared to the predecessor experiment Belle, Belle II plans to increase the peak luminosity…

Instrumentation and Detectors · Physics 2019-07-24 Katharina Dort , Jens Soeren Lange , Klemens Lautenbach

The paper discusses future experiments at super $B$ factories. It presents the physics motivation and the tools, accelerators and detectors, and reviews the status of the two projects, SuperKEKB/Belle-II in Japan and SuperB in Italy.

High Energy Physics - Experiment · Physics 2011-03-08 Peter Krizan

The Belle II experiment is designed to collect 50 times more data than its predecessor. For a smooth collection of high-quality data, a robust and automated data transport and processing pipeline has been established. We describe the basic…

Instrumentation and Detectors · Physics 2020-12-30 Nils Braun , Thomas Kuhr

Belle II is an experiment designed to study billions of $\tau$-lepton, $b$- and $c$-quark decays observed with low background in asymmetric-energy electron-positron collisions at the SuperKEKB $B$-factory. In March 2019, the newly completed…

High Energy Physics - Experiment · Physics 2020-01-28 Eldar Ganiev , Niharika Rout , Benedikt Wach

The Belle II experiment at the SuperKEKB energy-asymmetric $e^+e^-$ collider is a substantial upgrade of the B factory facility at the Japanese KEK laboratory. The design luminosity of the machine is $8\times10^{35}\,…

High Energy Physics - Experiment · Physics 2019-06-25 Markus Tobias Prim

The Belle detector at the KEKB electron-positron collider has collected approximately 800 million Upsilon(4S) events in its decade of operation. The KEKB group has proposed Super-KEKB, an upgrade of KEKB to increase the luminosity by two…

High Energy Physics - Experiment · Physics 2014-11-20 Zdenek Dolezal

The Belle II experiment has just started, searching for physics beyond the Standard Model in $B$, charm and $\tau$ decays using data with the integrated luminosity goal of $50 ~\mathrm{ab}^{-1}$. Before the physics run with full detector…

Instrumentation and Detectors · Physics 2018-06-26 SeokHee Park , Youngjoon Kwon , Mikihiko Nakao , Uehara Sadaharu , Tomoyuki Konno