We have measured branching ratios for three Λc decay modes that have a + in the final state. Two of the observed decay modes, Λc→+π0 and Λc+→+ω, have no external W-emission amplitudes. Their branching ratios relative to the pK-π+ mode are 0.20±0.03±0.03 and 0.54±0.13±0.06, respectively. We have also significantly improved the measurement of the branching ratio for the previously observed decay mode Λc+→+π+π-. We find its branching ratio relative to pK-π+ to be 0.74±0.07±0.09.
ASJC Scopus subject areas
- General Physics and Astronomy