53 papers
Search for the decay
Belle, Belle II Collaborations, : +432
We present the first search for decays. We look for signal decays in events produced in asymmetric-energy electron-positron collisions.…
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…
First measurement of the masses of the and states and the energy dependence of the cross sections for and
Belle, Belle II Collaborations, : +398
We study the processes and at center-of-mass energies =(10.73 -- 11.02) GeV using a data sampl…
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…
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 sam…
Recent Hadron Spectroscopy Results from the Belle and Belle II experiments
Elisabetta Prencipe
The Belle~II experiment, the major upgrade of the Belle detector, is currently collecting data at the SuperKEKB asymmetric-energy collider in Tsukuba, Japan. With an integ…