Speaker
Marco Zaccheddu
(Università degli studi di Cagliari & INFN)
Description
We present a phenomenological analysis of the experimental data from Belle Collaboration for the transverse polarization of Lambda's measured in $ e^+ e^- $ annihilation processes, both for the case of associated and inclusive (plus a jet) production. We extract for the first time, within a TMD approach, the quark polarizing fragmentation function for a Lambda hyperon, a distribution giving the probability that an unpolarized quark fragments into a transversely polarized spin-1/2 hadron. Similar analyses in $ e \, P \rightarrow e \, \Lambda + X $ processes at the EIC will be crucial for understanding the universality and evolution properties of the TMD polarizing FF.
Primary authors
Prof.
Umberto D'Alesio
(Università degli Studi di Cagliari & INFN)
Prof.
Francesco Murgia
(INFN)
Marco Zaccheddu
(Università degli studi di Cagliari & INFN)
