Polarized $q\toΛ$ Fragmentation Functions from $e^+e^-\toΛ+X^*$

Details Polarized $q\toΛ$ Fragmentation Functions from $e^+e^-\toΛ+X^*$ Polarized $q\toΛ$ Fragmentation Functions from $e^+e^-\toΛ+X^*$

1993-02-08

arxiv.org/abs/hep-ph/9302232v1

Phys.Rev.Lett. 70 (1993) 2537-2540

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, MIT PREPRINT CTP#2186

Scientific paper

10.1103/PhysRevLett.70.2537

Measurement of the helicity asymmetric cross section for semi-inclusive production of $\Lambda$-hyperons in $e^+e^-$ annihilation near the $Z^0$ resonance allows a complete determination of the spin-dependent fragmentation functions for the different quark flavors into the $\Lambda$. The parity violating, self analyzing, decay of the final state $\Lambda$ makes the experimental analysis of the helicity asymmetry possible. This experiment should be practical with present day technology at the LEP collider at CERN or at SLC at SLAC.

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