Top polarization, forward-backward asymmetry and new physics

Details Top polarization, forward-backward asymmetry and new physics Top polarization, forward-backward asymmetry and new physics

2010-12-21

arxiv.org/abs/1012.4750v3

Phys.Rev.D84:014023,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

Version published in Physical Review D

Scientific paper

10.1103/PhysRevD.84.014023

We consider how the measurement of top polarization at the Tevatron can be used to characterise and discriminate among different new physics models that have been suggested to explain the anomalous top forward-backward asymmetry reported at the Tevatron. This has the advantage of catching the essence of the parity violating effect characteristic to the different suggested new physics models. Other observables constructed from these asymmetries are shown to be useful in discriminating between the models, even after taking into account the statistical errors. Finally, we discuss some signals at the 7 TeV LHC.

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