Measurement of the Barrow η_c K branching ratio and ηc total width
Abstract
The branching ratio for the B arrow ηc K decay is measured using data collected by the BaBar detector from 1999 to 2002. The ηc meson is reconstructed through its decays to various exclusive hadronic final states. A precise measurement of the ηc total width is obtained from the study of the invariant K_s^0K^± π^mp mass spectrum for a sample of ηc mesons produced in two-photon interactions.
- Publication:
-
APS April Meeting Abstracts
- Pub Date:
- April 2003
- Bibcode:
- 2003APS..APRP11006B