6 papers
Search for axion-like particles decaying to two photons at Belle II
Belle II Collaboration, M. Abumusabh, I. Adachi +450
Axion-like particles (ALPs) are predicted in many extensions of the Standard Model and provide a well-motivated portal between visible and hidden sectors through their coupling to…
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 conti…
Measurement of asymmetries in decays at Belle II
Belle II Collaboration, I. Adachi, L. Aggarwal +436
We report measurements of time-dependent asymmetries in decays based on a data sample of events collected at the $Î¥(4…
Search for decays at the Belle II experiment
Belle II Collaboration, I. Adachi, K. Adamczyk +446
We present a search for the rare flavor-changing neutral-current decay with data collected by the Belle II experiment at the SuperKEKB electron-posit…
Measurement of decays at Belle II
Belle II Collaboration, I. Adachi, L. Aggarwal +451
We present measurements of decays using of data collected from 2019 to 2022 by the Belle~II experiment at the SuperKEKB asymmetric-energ…
Measurement of asymmetries in decays at Belle II
Belle II Collaboration, I. Adachi, L. Aggarwal +399
We describe a measurement of charge-parity () violation asymmetries in decays using Belle II data. We consider and $η'\toÏ(\toÏ^…