Abstract
We report the first evidence for the using the transition and the first observation of the and transitions. The mass and width of the and are measured to be , , and . We also update the and mass measurements. We use a data sample collected at energies near the resonance with the Belle detector at the KEKB asymmetric-energy collider.
- Received 29 May 2012
DOI:https://doi.org/10.1103/PhysRevLett.109.232002
© 2012 American Physical Society