Single spin asymmetry of vector meson production in the string model

Details Single spin asymmetry of vector meson production in the string model Single spin asymmetry of vector meson production in the string model

1996-06-20

arxiv.org/abs/hep-ph/9606390v1

Acta Phys.Polon.27:1759-1766,1996

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, 8 pages, 3 post-script figures. Dedicated to Professor Andrzej Bialas in honour of his 60th birthday, to be published i

Scientific paper

Azimuthal asymmetry of vector-meson production in single-transversely polarized proton-proton collisions ($p\up p$) is calculated in a model based on the string fragmentation. The string is spanned by a valence quark of the projectile scattered on the target. The asymmetry is generated only during fragmentation of the scattered quark into hadrons. The obtained asymmetry of the $\rho$ mesons is opposite in sign to that of pions. On the other hand, if the asymmetry were generated during the quark scattering then the asymmetries of the vector and of the pseudoscalar mesons would be close to each other.

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