Lambda_b polarization in the Z boson decays

Details Lambda_b polarization in the Z boson decays Lambda_b polarization in the Z boson decays

1997-02-19

arxiv.org/abs/hep-ph/9702370v3

Phys.Lett. B426 (1998) 384-392

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, 8 pages plus 6 figures using psfig.sty

Scientific paper

10.1016/S0370-2693(98)00248-2

In the framework of the perturbative QCD and the diquark model of baryons we
have obtained the fragmentation functions for heavy quark that split into
polarized Lambda_b baryons. We predict the longitudinal polarization asymmetry
for the prompt Lambda_b produced in electron-positron annihilation at the Z
resonance and estimate the spin-1/2 and spin-3/2 beauty baryon production rate.

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