Study of the decays lambda(c)+ ---> xi0 K+, lambda(c)+ ---> sigma+ K+ K- and lambda(c)+ ---> xi- K+ pi+
May, 199313 pages
Published in:
- Phys.Rev.Lett. 71 (1993) 2391-2395
Report number:
- CLNS-93-1205,
- CLEO-93-04
Experiments:
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Abstract: (APS)
We report the measurement of new modes of the charmed baryon Λc+ using data recorded by the CLEO II detector at the Cornell Electron Storage Ring. We find branching ratios, relative to Λc+→pK−π+, of 0.070±0.011±0.011 for Λc+→Σ+K+K−, 0.069±0.023±0.016 for Λc+→Σφ, 0.078±0.013±0.013 for Λc+→Ξ0K+, and 0.053±0.016±0.010 for Λc+→Ξ*0K+. These measurements indicate that W-exchange diagrams contribute to Λc+ decay. We have also made a new measurement of the previously found mode Λc+→Ξ−K+π+.- electron positron: colliding beams
- colliding beams: electron positron
- electron positron: annihilation
- annihilation: electron positron
- W: exchange
- exchange: W
- model: spectator
- CLEO
- experimental results
- Cornell Cornell CESR Stor Stor
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