First extraction of the $\Lambda$ polarising fragmentation function from Belle $e^{+}{e}^{-}$ data

Umberto D'Alesio, Francesco Murgia, Marco Zaccheddu

We present a thorough phenomenological analysis of the experimental data from Belle Collaboration for the transverse $\Lambda$ and $\bar{\Lambda }$ polarisation, measured in $e^{+}{e}^{-}$ annihilation…