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On the top-quark polarization and how to measure it

Ekaterina Christova, Dimitar Draganov

hep-pharXiv:hep-ph/9710225

Abstract

The top quark is expected to decay as a free particle with definite momentum and polarization. Here we consider the possibilities to obtain information about its polarization through the energy and angular distributions of the b-quarks from the decay of the top-quarks produced in e+e- annihilation. Analytic expressions and numerical estimates for different beam polarizations are derived.

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