activity
20242026
collaborators

19 papers

hep-ex2026

Test of lepton flavor universality with measurements of and using semileptonic tagging at the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +450

We report measurements of the ratios of branching fractions ${\cal R}(D^{(*)+}) = \frac{{\cal B}(\overline{B}{}^0 \to D^{(*)+} \,τ^- \, \overlineν_τ)}{{\cal B}(\overline{B}{}^0…

hep-ex2025

Measurement of the branching fraction and search for and decays at Belle

Belle, Belle II Collaborations, : +481

We present a study of the rare charm meson decays , , and using a 942 fb data se…

hep-ex2025

Measurement of asymmetries in decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +436

We report measurements of time-dependent asymmetries in decays based on a data sample of events collected at the $Î¥(4…

hep-ex2025

Measurement of violation in decays at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +399

We report a measurement of the -violating parameters and in decays at Belle II using a sample of events reco…

nucl-ex2025

Excitation Spectra of the Reaction near the -Meson Emission Threshold Measured in Coincidence with High-Momentum Protons

R. Sekiya, K. Itahashi, Y. K. Tanaka +74

The missing mass of the reaction has been measured near the -meson emission threshold in coincidence with a high-momentum proton to selectively collect $…

hep-ex2025

Study of at Belle

Belle Collaboration, Z. S. Stottler, T. K. Pedlar +179

We report a study of the hadronic transitions , with , using mesons recorded by the Belle detector. We pres…