Matan Field, Guy Gur-Ari, David A. Kosower, Lorenzo Mannelli, Gilad Perez
We study the planar-flow distributions of narrow, highly boosted, massive QCD jets. Using the factorization properties of QCD in the collinear limit, we compute the planar-flow jet function from the one-to-three splitting function at tree-level. We derive the leading-log behavior of the jet function analytically. We also compare our semi-analytic jet function with parton-shower predictions using various generators.
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http://arxiv.org/abs/1212.2106
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