570 citations · 1k across the 27 of their papers we have counts for
28 papers · 1 filter
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…
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…
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…
Measurement of the branching fraction and asymmetry of decays using pairs in Belle II data
Belle II Collaboration, F. Abudinén, I. Adachi +425
We report measurements of the branching fraction and asymmetry in decays reconstructed at Belle II in an electron-positron collision sample contain…
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…
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…
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.…
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…
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…
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…
Combined analysis of Belle and Belle II data to determine the CKM angle using decays
Belle, Belle II Collaborations, : +319
We present a measurement of the Cabibbo-Kobayashi-Maskawa unitarity triangle angle (also known as~) using a model-independent Dalitz plot analysis of \linebreak $B^+\t…
Precise measurement of the and lifetimes at Belle II
Belle II collaboration, F. Abudinén, I. Adachi +385
We report a measurement of the and lifetimes using and decays reconstructed in data recorded by the Belle II exp…
Search for decays using an inclusive tagging method at Belle II
Belle II Collaboration, F. Abudinén, I. Adachi +377
A search for the flavor-changing neutral-current decay is performed at the Belle II experiment at the SuperKEKB asymmetric energy electron-positron collider.…
Measurements of branching fractions and CP-violating charge asymmetries in charmless decays reconstructed in 2019--2020 Belle~II data
Belle II Collaboration, F. Abudinén, I. Adachi +544
We report on first measurements of branching fractions~() and CP-violating charge asymmetries~() in charmless decays at Belle~II. We use a sample of e…
Measurement of the semileptonic branching fraction with fully reconstructed meson decays and 34.6 fbof Belle II data
Belle II Collaboration, F. Abudinen, I. Adachi +540
We present a first measurement of the branching fraction using fully reconstructed meson decays employing the Full Event Inte…
Measurement of Hadronic Mass Moments in Decays at Belle II
Belle II Collaboration, F. Abudinén, I. Adachi +540
We present measurements of the first six hadronic mass moments in semileptonic decays. The hadronic mass moments, together with other observables of incl…
Exclusive Decays with Hadronic Full Event Interpretation Tagging in 34.6 fb of Belle II Data
Belle II Collaboration, F. Abudinén, I. Adachi +541
We present the results of the re-discovery of the decay in 34.6 fb of Belle II data using hadronic -tagging via the Full Event Interpretation…
Studies of the semileptonic and decay processes with 34.6 fb of Belle II data
Belle II Collaboration, F. Abudinén, I. Adachi +542
We report measurements of the and processes using 34.6 fb of collision events recorded by the Belle…
A calibration of the Belle II hadronic tag-side reconstruction algorithm with decays
Belle II Collaboration, F. Abudinén, I. Adachi +540
Tag-side reconstruction is an important method for reconstructing meson decays with missing energy. The Belle II tag-side reconstruction algorithm, Full Event Interpretation, r…
Rediscovery of decays and measurement of the longitudinal polarization fraction in decays using the Summer 2020 Belle II dataset
F. Abudinén, I. Adachi, R. Adak +538
We utilize a sample of 34.6 fb, collected by the Belle II experiment at the SuperKEKB asymmetric energy collider, to search for the , $B^+ \to ϕK^{*+}…
First flavor tagging calibration using 2019 Belle II data
Belle II Collaboration, F. Abudinén, I. Adachi +540
We report on the first calibration of the standard Belle II -flavor tagger using the full data set collected at the resonance in 2019 with the Belle II detector at…
Search for Axion-Like Particles produced in collisions at Belle II
Belle II collaboration, F. Abudinen, I. Adachi +334
We present a search for the direct production of a light pseudoscalar decaying into two photons with the Belle II detector at the SuperKEKB collider. We search for the process…
Charmless decay reconstruction in 2019 Belle II data
Belle II Collaboration, F. Abudinén, I. Adachi +533
We report on the reconstruction of various charmless decays from electron-positron collisions at the energy corresponding to the resonance collected with the Belle II d…
Measurement of the lifetime using fully reconstructed hadronic decays in the 2019 Belle II dataset
Belle II Collaboration, F. Abudinén, I. Adachi +534
This document presents the measurement of meson lifetimes using the 2019 Belle II dataset that corresponds to an integrated luminosity of fb. Each candid…