Measurement of the asymmetry parameter for the decay $\bar\Lambda \to \bar p\pi^+$

Preprint English OPEN
BES collaboration;
(2009)
  • Related identifiers: doi: 10.1103/PhysRevD.81.012003
  • Subject: High Energy Physics - Experiment
    arxiv: High Energy Physics::Phenomenology | High Energy Physics::Experiment

Based on a sample of $58\times10^6J/\psi$ decays collected with the BESII detector at the BEPC, the $\bar\Lambda$ decay parameter $\alpha_{\bar\Lambda}$ for $\bar\Lambda\to \bar p \pi^+$ is measured using about 9000 $J/\psi\to\Lambda\bar\Lambda\to p \bar p \pi^+\pi^-$ d... View more
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