Tensor polarization of vector mesons from quark and gluon fragmentation
Abstract
We considered the electro- and photoproduction of and other vector mesons with moderately large transverse momentum in the scattering of unpolarized electrons on unpolarized nucleons and nuclei. For these processes we have analyzed how to extract the novel fragmentation functions b1q(z), b1G(z), describing tensor polarization, and the photon double spin-flip distribution γ from the angular distribution of meson decay products.
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