Hollow cone sieve for top

Details Hollow cone sieve for top Hollow cone sieve for top

2011-02-15

arxiv.org/abs/1102.3183v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

A method of top tagging is introduced. Using the anti-kt algorithm to define jets, events with nj = 2 fat jets of cone size R = 1.5 are decomposed into R = 0.6 sub-jets and retained if nj (R= 0.6) >= 4 . One pair of sub-jets reconstructs the W-mass and another jet is tagged as a b-jet, as necessary for hadronic or semileptonic events of tt origin. This 'hollow cone' method distinguishes the tt events from the light parton QCD dijet events.

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