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First study of antihyperon-nucleon scattering \(\barΛp\rightarrow\barΛp\) and measurement of \(Λ p\rightarrowΛp\) cross section

By Besiii Collaboration and others
Using \((10.087\pm0.044)\times10^{9}\) \(J/\psi\) events collected with the BESIII detector at the BEPCII storage ring, the processes \(\Lambda p\rightarrow\Lambda p\) and \(\bar{\Lambda}p\rightarrow\bar{\Lambda}p\) are studied, where the \(\Lambda/\bar{\Lambda}\) baryons are produced in the process \(J/\psi\rightarrow\Lambda\bar{\Lambda}\) and the protons are the hydrogen nuclei in the cooling oil of the beam pipe. Clear signals... Show more
May 18, 2024
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First study of antihyperon-nucleon scattering $\barΛp\rightarrow\barΛp$ and measurement of $Λ p\rightarrowΛp$ cross section
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