activity
20102026
most citedTest of lepton universality using decays

952 citations · 11.7k across the 205 of their papers we have counts for

collaborators

208 papers

hep-ex2026

Observation of the decays and

Belle, Belle II Collaborations, : +403

We report the first observation of the decays and , with significances of a…

hep-ex2025★ 3 cited

Observation of the decays and

Belle, Belle II Collaborations, : +386

We report the first observation of the two-body baryonic decays and with significance…

hep-ph2025

Unlocking time-dependent violation without signal vertexing at factories

Mirco Dorigo, Sebastiano Raiz, Diego Tonelli +1

We present a method to measure time-dependent violation in decays produced in events at factories without reconstructing the signal dec…

hep-ex2025★ 1 cited

Search for lepton-flavor-violating decays at Belle and Belle II

Belle, Belle II Collaborations, : +419

We present the results of a search for charged-lepton-flavor violating decays , where is either an electron or a muon. We combine $e…

hep-ex2024★ 2 cited

Test of light-lepton universality in decays with the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +428

We present a measurement of the ratio of branching fractions of the lepton decaying t…

hep-ex2023★ 90 cited

Evidence for decays

Belle II Collaboration, I. Adachi, K. Adamczyk +452

We search for the rare decay in a sample of electron-positron collisions at the resonance collected with the Belle II det…

hep-ex2023★ 8 cited

Measurement of branching fractions and direct asymmetries for and decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +435

We report measurements of the branching fractions and direct asymmetries of the decays , , , and , and…

hep-ex2023

Measurement of branching-fraction ratios and asymmetries in decays at Belle and Belle II

The Belle, Belle II Collaborations, : +427

We report results from a study of decays followed by decaying to ~eigenstates, where indicates a or meson. These decays a…

hep-ex2023★ 7 cited

Tests of light-lepton universality in angular asymmetries of decays

Belle II Collaboration, I. Adachi, K. Adamczyk +416

We present the first comprehensive tests of light-lepton universality in the angular distributions of semileptonic -meson decays to charged spin-1 charmed mesons. We measure f…

hep-ex2023★ 10 cited

Search for a resonance in events with the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +464

We report the first search for a non-standard-model resonance decaying into pairs in events in the 3.6-10 GeV/ mass range. We u…

hep-ex2023★ 16 cited

Search for a long-lived spin-0 mediator in transitions at the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +411

Additional spin-0 particles appear in many extensions of the standard model. We search for long-lived spin-0 particles in -meson decays mediated by a quark transiti…

hep-ex2023★ 5 cited

Precise measurement of the lifetime at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +359

We measure the lifetime of the meson using a data sample of 207 fb collected by the Belle II experiment running at the SuperKEKB asymmetric-energy collider…

hep-ex2023

Search for lepton-flavor-violating decays in 2019-2021 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +575

We report a search for lepton-flavor-violating decays () at the Belle II experiment, using a sample of electron-positron data produced at the Su…

hep-ex2023★ 2 cited

Observation of decays using the 2019-2022 Belle II data sample

Belle II Collaboration, F. Abudinén, I. Adachi +575

We present a measurement of the branching fractions of four decay modes. The measurement is based on data from SuperKEKB electron-positron colli…

hep-ex2023★ 6 cited

Novel method for the identification of the production flavor of neutral charmed mesons

Belle II Collaboration, I. Adachi, L. Aggarwal +396

We propose a new algorithm for the identification of the production flavor of neutral mesons in the Belle II experiment. The algorithm exploits the correlation between the flav…

hep-ex2023★ 10 cited

Measurement of the lifetime and flavor-oscillation frequency using hadronic decays reconstructed in 2019-2021 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +393

We measure the lifetime and flavor-oscillation frequency using decays collected by the Belle II experiment in asymmetric-energy collisions produ…

hep-ex2023★ 10 cited

Measurement of decay-time-dependent violation in decays using 2019-2021 Belle II data

Belle II Collaboration, I. Adachi, L. Aggarwal +392

We report a measurement of the mixing-induced and direct violation parameters and from decays reconstructed by the…

hep-ex2023★ 3 cited

Measurement of the branching ratio and with a fully reconstructed accompanying meson in 2019-2021 Belle II data

F. Abudinén, I. Adachi, K. Adamczyk +581

We present a measurement of the () branching ratio and of the CKM parameter using signal decays accompanied by a f…

hep-ex2023★ 19 cited

A test of light-lepton universality in the rates of inclusive semileptonic -meson decays at Belle II

Belle II Collaboration, L. Aggarwal, H. Ahmed +349

We present the first measurement of the ratio of branching fractions of inclusive semileptonic -meson decays, $R(X_{e/μ}) = \mathcal{B}(B\to X \, e \, ν) / \mathcal{B}(B\to X \,…

hep-ex2022★ 21 cited

Search for an invisible in a final state with two muons and missing energy at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +385

The extension of the standard model predicts the existence of a lepton-flavor-universality-violating boson that couples only to the heavier lepton families.…

hep-ex2022★ 1 cited

Determination of from decays using 2019-2021 Belle II data

Belle II collaboration, F. Abudinén, I. Adachi +590

We present a determination of the magnitude of the Cabibbo-Kobayashi-Maskawa (CKM) matrix element using decays. The result is based on data…

hep-ex2022

Measurement of the photon-energy spectrum in inclusive decays identified using hadronic decays of the recoil meson in 2019-2021 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +593

We measure the photon-energy spectrum in radiative bottom-meson () decays into inclusive final states involving a strange hadron and a photon. We use SuperKEKB electron-positron…

hep-ex2022★ 2 cited

Measurement of Branching Fraction and Longitudinal Polarization in Decays at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +584

We present a measurement of the branching fraction and longitudinal polarization of decays. SuperKEKB electron-positron collision data corresponding to 189~fb$^{-…

hep-ex2022★ 24 cited

Observation of and search for at near 10.75 GeV

Belle II collaboration, I. Adachi, L. Aggarwal +348

We study the processes ( = 0, 1, or 2) using samples at center-of-mass energies = 10.701, 10.745, and 10.805 GeV, corresponding to 1.6, 9.8, an…