activity
20232026
most citedSearch for a long-lived spin-0 mediator in transitions at the Belle II experiment

16 citations · 37 across the 16 of their papers we have counts for

collaborators

17 papers

hep-ex2026

Measurements of the branching fractions of and decays at Belle and Belle II

Belle, Belle II Collaborations, : +400

We present a study of the three-body, singly Cabibbo-suppressed decays and using data recorded with the Belle and Belle II detectors at the…

hep-ex2026

Charged-lepton identification at Belle~II

Belle II Collaboration, M. Abumusabh, I. Adachi +409

Effective particle identification capabilities are a strategic priority for the physics program of the Belle~II experiment. We describe the algorithms used at Belle~II for identify…

hep-ex2026

First evidence of and search for

Belle, Belle II Collaborations, : +412

We search for the pionic transitions and in decays using the Belle and Belle~II data samples c…

hep-ex2026

Measurement of mixing-induced CP violation in the decay

Belle II Collaboration, M. Abumusabh, I. Adachi +437

Measurements of charge-parity (CP) violation in quark transitions provide stringent tests of the current theory and sensitive probes of particles or interactions beyond it. We repo…

hep-ex2026

Measurement of time-dependent violation parameters in decays at Belle and Belle II

Belle, Belle II Collaborations, : +417

We perform a measurement of time-dependent violation parameters in decays using a dataset of approximately and $521 \times 10^6…

hep-ex2026

Search for the decay using data from the Belle and Belle II experiments

Belle, Belle II Collaborations, : +435

We report a search for the rare decay using mesons produced near threshold in electron-positron collisions and colle…

hep-ex2026

Study of decays at Belle and Belle II

Belle, Belle II Collaborations, : +412

We report a measurement of the branching fraction for the leptonic decay . This work presents the first result using Belle~II data, an updated Belle me…

hep-ex2026

A search for feebly-interacting particles in decays with missing energy at Belle

Belle, Belle II Collaborations, : +406

We present a search for an invisible hidden-sector particle , produced in and decays, where , $…

hep-ex2025

Observation of the radiative decay

Belle II Collaboration, M. Abumusabh, I. Adachi +367

We observe the radiative decay for the first time, with a significance exceeding standard deviations. The signal is found in the contin…

hep-ex2025

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\,\mathrm{fb}^{…

hep-ex2025

HFLAV input to the 2026 update of the European Strategy for Particle Physics

F. Archilli, Sw. Banerjee, E. Ben-Haim +37

Heavy-flavour physics is an essential component of the particle-physics programme, offering critical tests of the Standard Model and far-reaching sensitivity to physics beyond it.…

hep-ex2024

Development and commissioning of a new readout system for the gas flow of the Belle II and muon detector

Travis Applegate, Noah Brenny, Chunhui Chen +11

We have designed and commissioned a new readout board to detect photosensor signals from gas-bubbler panels to continuously monitor the gas flow through the resistive plate chamber…

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★ 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★ 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★ 1 cited

Time-dependent violation results at Belle II

Michele Veronesi

We report updates on time-dependent -violation observables at Belle II. The benchmark measurements of the lifetime and mixing frequency using flavor spec…