activity
20242026
collaborators

13 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 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…

hep-ex2025

Search for a pentaquark state decaying into in inclusive decays at Belle

Belle Collaboration, X. Dong, S. M. Zou +162

Using the data samples of 102 million and 158 million events collected by the Belle detector, we search for a pentaquark state in the final state from $Î¥…

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…

hep-ex2025

Search for Pcs(4459) and Pcs(4338) in Upsilon(1S,2S) inclusive decays at Belle

I. Adachi, L. Aggarwal, H. Ahmed +402

Using data samples of 102 million Upsilon(1S) events and 158 million Upsilon(2S) events collected by the Belle detector at the KEKB asymmetric-energy collider, we search f…