Using W Helicity to Test for Non-Standard Dynamics in Top Decay

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Scientific paper

In top quark decays with a leptonically decaying W, one can measure the W helicity by using the relationship between the mass of the b and lepton system and the angle of the lepton decay. Since the standard model of weak interactions predicts the shape for this angular distribution, one can test the prediction and look for non-standard dynamics in top decay. The analysis technique, sample selection, and preliminary results will be discussed along with sources of systematic error using CDF run I data.

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