Journal of High Energy Physics

, 2010:41

Measuring the polarization of boosted hadronic tops


    • Department of PhysicsPrinceton University
  • Jessie Shelton
    • Department of Physics and AstronomyRutgers University
    • Department of PhysicsYale University
  • Lian-Tao Wang
    • Department of PhysicsPrinceton University

DOI: 10.1007/JHEP07(2010)041

Cite this article as:
Krohn, D., Shelton, J. & Wang, L. J. High Energ. Phys. (2010) 2010: 41. doi:10.1007/JHEP07(2010)041


We propose a new technique for measuring the polarization of hadronically decaying boosted top quarks. In particular, we apply a subjet-based technique to events where the decay products of the top are clustered within a single jet. The technique requires neither b-tagging nor W-reconstruction, and does not rely on assumptions about either the top production mechanism or the sources of missing energy in the event. We include results for various new physics scenarios made with different Monte Carlo generators to demonstrate the robustness of the technique.


JetsBeyond Standard ModelHeavy Quark Physics
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© SISSA, Trieste, Italy 2010