Lambda and Lambda-bar polarization in polarized DIS

Details Lambda and Lambda-bar polarization in polarized DIS Lambda and Lambda-bar polarization in polarized DIS

2000-01-29

arxiv.org/abs/hep-ph/0001307v1

Phys.Lett. B481 (2000) 253-262

Physics

High Energy Physics

High Energy Physics - Phenomenology

15+1 pages, LaTeX, 12 eps figures, uses epsfig.sty

Scientific paper

10.1016/S0370-2693(00)00455-X

We consider the polarization of Lambda + Lambda-bar baryons produced in polarized Deep Inelastic Scattering at leading order, with various spin configurations: longitudinally polarized leptons and unpolarized nucleon; unpolarized leptons and longitudinally or transversely polarized nucleons; longitudinally polarized leptons and nucleons. We show how the different results in the different cases are related to different aspects of the elementary dynamics and to the spin properties of the distribution and fragmentation functions and show how a combined analysis might give useful information. We give numerical results according to several sets of polarized fragmentation functions recently proposed.

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