activity
20182026
most citedThe Belle II Physics Book

570 citations · 1.3k across the 86 of their papers we have counts for

collaborators
Showing 2023Show all

17 papers · 1 filter

hep-ex2023

Search for the and processes at

Belle II Collaboration, I. Adachi, L. Aggarwal +419

We search for the and processes at a center-of-mass energy of 10.745 GeV, which is close to the peak of the state. We use data…

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

Measurement of the -lepton mass with the Belle~II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +418

We present a measurement of the -lepton mass using a sample of about 175 million events collected with the Belle II detector at the SuperKEKB collid…

physics.ins-det2023★ 5 cited

Recent developments in data reconstruction for aerogel RICH at Belle II

Luka Santelj

In the forward end-cap of the Belle II spectrometer, particle identification is provided by a proximity focusing RICH detector with an aerogel radiator (ARICH). The ARICH's primary…

hep-ex2023

Search for violation using -odd correlations in , , and decays

Belle Collaboration, L. K. Li, A. J. Schwartz +174

We search for violation using -odd correlations in five and four-body decays. Our analysis is based on 980 of data collected by…

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

Search for the double-charmonium state with at Belle

Belle Collaboration, J. H. Yin, Y. B. Li +180

We measure the cross section of at the -- on-resonance and 10.52 GeV off-resonance energy points using the full data sample collected b…

hep-ex2023★ 5 cited

Study of the muon decay-in-flight in the decay to measure the Michel parameter

Belle Collaboration, D. Bodrov, P. Pakhlov +192

We present the first measurement of the Michel parameter in the decay using the full data sample of collected by the Belle de…

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 \,…