Jet Dipolarity: Top Tagging with Color Flow [PDF]
Anson Hook, Martin Jankowiak, Jay G. WackerA new jet observable, dipolarity, is introduced that can distinguish whether a pair of subjets arises from a color singlet source. This observable is incorporated into the HEPTopTagger and is shown to improve discrimination between top jets and QCD jets for moderate to high pT.View original: http://arxiv.org/abs/1102.1012
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