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hep-ex2026

Improved measurement of Born cross sections for and ( = 0, 1, 2) at Belle and Belle II

Belle, Belle II Collaborations, : +424

We study the processes and ( = 0, 1, 2) at center-of-mass energies from 10.73 to 11.02 GeV using a $142.5\,\mathr…

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 the Ratio of Partial Branching Fractions of Inclusive to and the Ratio of their Spectra with Hadronic Tagging

Belle Collaboration, M. Hohmann, P. Urquijo +157

We present a measurement of the ratio of partial branching fractions of the semi-leptonic inclusive decays, to $\overline{B} \to X_{c} \el…

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-posit…

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…

hep-ex2024

Search for the decay at Belle experiment

Belle Collaboration, D. Kumar, B. Bhuyan +164

We have analyzed 121.4 fb of data collected at the resonance by the Belle experiment using the KEKB asymmetric-energy collider to search for the decay $B_s…