Abstract
We report the first observation of two charmed strange baryons that decay into . The broader of the two states is measured to have a mass of and a width of . The mass and width of the narrow state are measured to be and , respectively. We also perform a search for the isospin partner states that decay into and observe a significant signal at the mass of . The data used for this analysis were accumulated at or near the resonance, using the Belle detector at the asymmetric-energy collider KEKB. The integrated luminosity of the data sample used is .
- Received 22 June 2006
DOI:https://doi.org/10.1103/PhysRevLett.97.162001
©2006 American Physical Society