activity
20192023
most citedSearch for Axion-Like Particles produced in collisions at Belle II

99 citations · 451 across the 50 of their papers we have counts for

collaborators

56 papers

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★ 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★ 5 cited

Measurement of asymmetries and branching-fraction ratios for and with using Belle and Belle II data

Belle, Belle II Collaboration, : +408

We measure asymmetries and branching-fraction ratios for and decays with , where is a superposition of and…

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★ 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★ 3 cited

Determination of from untagged decays using 2019-2021 Belle II data

Belle II Collaboration, K. Adamczyk, L. Aggarwal +588

We present an analysis of the charmless semileptonic decay , where , from 198.0 million pairs of mesons recorded by the Belle II…

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…

hep-ex2022

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in decays at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +591

We report a study of decays, where represents an electron or a muon, using collisions at the resonance. The data were col…

hep-ex2022★ 22 cited

Snowmass White Paper: Belle II physics reach and plans for the next decade and beyond

Latika Aggarwal, Swagato Banerjee, Sunil Bansal +74

Belle II is an experiment operating at the intensity frontier. Over the next decades, it will record the decay of billions of bottom mesons, charm hadrons, and tau leptons produced…

hep-ex2022★ 19 cited

Search for a dark photon and an invisible dark Higgs boson in and missing energy final states with the Belle II experiment

Belle II Collaboration, F. Abudinén, I. Adachi +357

The dark photon and the dark Higgs boson are hypothetical particles predicted in many dark sector models. We search for the simultaneous production of $A^\pri…

hep-ex2022★ 2 cited

Angular analysis of decays reconstructed in 2019, 2020, and 2021 Belle II data

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

We report on a Belle II measurement of the branching fraction (), longitudinal polarization fraction (), and CP asymmetry () of …

hep-ex2022

Measurement of the branching fraction of the decay using 190 fb of Belle II data

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

We report the measurement of the branching fraction of the decay in data recorded by the Belle II experiment at the Sup…

hep-ex2022★ 1 cited

First decay-time-dependent analysis of at Belle II

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

We report measurements of the branching fraction () and direct -violating asymmetry () of the charmless decay at Belle II. A sample of…

hep-ex2022★ 9 cited

Measurement of the lifetime

Belle II Collaboration, F. Abudinén, L. Aggarwal +360

An absolute measurement of the lifetime is reported using decays in events reconstructed from data collected by the Belle II experiment at the…