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From Tevatron's top and lepton-based asymmetries to the LHC by Carmona, Adrian; Chala, Mikael; Falkowski, Adam; Khatibi, Sara; Najafabadi, Mojtaba Mohammadi; Perez, Gilad; Santiago, Jose is a scholarly article available to read on EtoBox.

What is From Tevatron's top and lepton-based asymmetries to the LHC about?

We define a lepton-based asymmetry in semi-leptonic ttbar production at the LHC. We show that the ratio of this lepton-based asymmetry and the ttbar charge asymmetry, measured as a function of the lepton transverse momentum or the ttbar invariant mass is a robust observable in the Standard Model. It is stable against higher order corrections and mis-modeling effects. We show that this ratio can also be a powerful discriminant among different new physics models and between them and the Standard Model. Finally, we show that a related ratio defined at the Tevatron is also robust as a function of the ttbar invariant mass.

Author

Carmona, Adrian; Chala, Mikael; Falkowski, Adam; Khatibi, Sara; Najafabadi, Mojtaba Mohammadi; Perez, Gilad; Santiago, Jose

Published

2014

Language

EN