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arxiv: 1102.1012 · v2 · pith:SD4APKTKnew · submitted 2011-02-04 · ✦ hep-ph

Jet Dipolarity: Top Tagging with Color Flow

classification ✦ hep-ph
keywords colordipolarityjetsobservablearisesdiscriminationdistinguishflow
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A 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.

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