Speaker
Description
The BESIII experiment at the electron-positron collider BEPCII in Beijing (China) is successfully operating since 2008 and has collected large data samples in the tau-mass region, including the world’s largest data samples at the J/ψ and ψ 0 resonances. The recent observations of hyperon polarizations at BESIII opens a new window for testing CP violation, as it allows for simultaneous production and detection of hyperon and anti-hyperon pair two-body weak decays. The CP-symmetry tests can be performed in processes like e.g. $J/\psi\to\Lambda\bar{\Lambda}$, $J/\psi,\psi'\to\Sigma^+\bar{\Sigma}^-$ and $J/\psi\to\Xi\bar{\Xi}$. For the $\Xi\to\Lambda\pi$ decay it is possible to perform two independent CP tests and determine the strong phase and weak phase difference.
| session | D. Hadron Decays |
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