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High Energy


Special LHC Lunch: Jesse Thaler

Description Speaker: Jesse Thaler (MIT)
Title: N-subjettiness
Host: Chang
Room: 432

Many beyond the standard model scenarios predict that the LHC will produce new heavy particles with decay channels involving top quarks, W/Z bosons, and Higgs bosons. If these top quarks and electroweak bosons are sufficiently boosted, then their decays can be misreconstructed as a single fat jet. In this talk, I describe a new jet shape, N-subjettiness, designed to tag boosted hadronically-decaying objects and reject the background of QCD jets with large invariant mass. I will argue that N-subjettiness combines the advantages of jet shapes with the discriminating power seen in previous jet substructure algorithms. I will also suggest that techniques learned from N-subjettiness may be applicable to entire events, pointing toward new algorithms for jet reconstruction.
Date Wed, March 23, 2011
Time 6:30am-7:30am PDT
Duration 1 hour
Access Public
Created by High-Energy Seminars
Updated Wed, March 23, 2011 5:34am PDT
Send Reminder Yes  -  1 day 4 hour 0 minutes before start

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