Building a Better Boosted Top Tagger
arXiv:1411.0665 · doi:10.1103/PhysRevD.91.034035
Abstract
Distinguishing hadronically decaying boosted top quarks from massive QCD jets is an important challenge at the Large Hadron Collider. In this paper we use the power counting method to study jet substructure observables designed for top tagging, and gain insight into their performance. We introduce a powerful new family of discriminants formed from the energy correlation functions which outperform the widely used N-subjettiness. These observables take a highly non-trivial form, demonstrating the importance of a systematic approach to their construction.
5 pages, 4 figures; v2: updated references; v3: added more detail about the dominant kinematics, PRD version v4: typo in Eq 5 fixed
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Cited by in corpus (23)
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- New Angles on Energy Correlation Functions
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- Power Counting Energy Flow Polynomials