Novel Structure Function for Photon Fragmentation into a Λ Hyperon and Transverse Λ Polarization in Unpolarized Electron-Positron Annihilation
Wei Lu
Abstract
The possibility is examined for the inclusive Λ in unpolarized electron-positron annihilation to be transversely polarized. Due to final-state interactions, there exists a novel structure function F(z,Q2) for the inclusive Λ hyperon (or any other baryons) production from the unpolarized time-like photon fragmentation, which makes contribution to the transverse Λ polarization in the unpolarized electron-positron annihilation.
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