Paper
Charmed baryon decays at Belle and Belle II
Authors
Jaeyoung Kim
Abstract
Belle and Belle II experiments have collected $e^+e^-$ collision data with center-of-mass energies at or near the $Υ(4S)$ resonance. Using total $1.4\,\mathrm{ab}^{-1}$ combined dataset, we present new measurements of branching fractions for $Ξ_c^{0/+}$ and $Λ_c^+$ baryons, including several first observations. Additionally, we report the initial search for $CP$ violation in singly Cabibbo-suppressed three-body decays of charmed baryons, providing a test of $U$-spin symmetry.
Metadata
Related papers
Fractal universe and quantum gravity made simple
Fabio Briscese, Gianluca Calcagni • 2026-03-25
POLY-SIM: Polyglot Speaker Identification with Missing Modality Grand Challenge 2026 Evaluation Plan
Marta Moscati, Muhammad Saad Saeed, Marina Zanoni, Mubashir Noman, Rohan Kuma... • 2026-03-25
LensWalk: Agentic Video Understanding by Planning How You See in Videos
Keliang Li, Yansong Li, Hongze Shen, Mengdi Liu, Hong Chang, Shiguang Shan • 2026-03-25
Orientation Reconstruction of Proteins using Coulomb Explosions
Tomas André, Alfredo Bellisario, Nicusor Timneanu, Carl Caleman • 2026-03-25
The role of spatial context and multitask learning in the detection of organic and conventional farming systems based on Sentinel-2 time series
Jan Hemmerling, Marcel Schwieder, Philippe Rufin, Leon-Friedrich Thomas, Mire... • 2026-03-25
Raw Data (Debug)
{
"raw_xml": "<entry>\n <id>http://arxiv.org/abs/2603.21722v1</id>\n <title>Charmed baryon decays at Belle and Belle II</title>\n <updated>2026-03-23T09:08:00Z</updated>\n <link href='https://arxiv.org/abs/2603.21722v1' rel='alternate' type='text/html'/>\n <link href='https://arxiv.org/pdf/2603.21722v1' rel='related' title='pdf' type='application/pdf'/>\n <summary>Belle and Belle II experiments have collected $e^+e^-$ collision data with center-of-mass energies at or near the $Υ(4S)$ resonance. Using total $1.4\\,\\mathrm{ab}^{-1}$ combined dataset, we present new measurements of branching fractions for $Ξ_c^{0/+}$ and $Λ_c^+$ baryons, including several first observations. Additionally, we report the initial search for $CP$ violation in singly Cabibbo-suppressed three-body decays of charmed baryons, providing a test of $U$-spin symmetry.</summary>\n <category scheme='http://arxiv.org/schemas/atom' term='hep-ex'/>\n <category scheme='http://arxiv.org/schemas/atom' term='hep-ph'/>\n <category scheme='http://arxiv.org/schemas/atom' term='hep-th'/>\n <published>2026-03-23T09:08:00Z</published>\n <arxiv:comment>4 pages, 2 figures, conference proceedings for Baryons 2025, on behalf of the Belle II Collaboration</arxiv:comment>\n <arxiv:primary_category term='hep-ex'/>\n <author>\n <name>Jaeyoung Kim</name>\n <arxiv:affiliation>on behalf of the Belle II Collaboration</arxiv:affiliation>\n </author>\n </entry>"
}