activity
20232025
collaborators

6 papers

hep-ex2025

Search for decays at the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +446

We present a search for the rare flavor-changing neutral-current decay with data collected by the Belle II experiment at the SuperKEKB electron-positro…

hep-ex2024

Production cross sections of light and charmed mesons in annihilation near 10.58 GeV

Belle Collaboration, R. Seidl, I. Adachi +131

We report measurements of production cross sections for , , , , , , , , , , , , , , and $D^{*+}…

hep-ex2024

Determination of the CKM angle from a combination of Belle and Belle II results

Belle, Belle II Collaborations, : +399

We report a determination of the CKM angle , also known as , from a combination of measurements using samples of up to 711~fb from the Belle experiment and up to 3…

hep-ex2024

Search for Rare Transitions at Belle

Belle, Belle II Collaborations, : +393

We present the results of a search for the flavor-changing neutral-current rare decays and $B^{+, 0} \to (η, ω…

hep-ex2024

Search for a heavy neutral lepton that mixes predominantly with the tau neutrino

Belle Collaboration, M. Nayak, S. Dey +165

We report a search for a heavy neutral lepton (HNL) that mixes predominantly with . The search utilizes data collected with the Belle detector at the KEKB asymmetric energy $e…

hep-ex2023

Search for the semileptonic decays at Belle

Belle Collaboration, J. X. Cui, Y. B. Li +163

Using the full data sample of 980 collected with the Belle detector at the KEKB asymmetric energy electron-positron collider, we report the results of the first…