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Paper detail

Resonance Searches with an Updated Top Tagger

The performance of top taggers, for example in resonance searches, can be significantly enhanced through an increased set of variables, with a special focus on final-state radiation. We study the production and the decay of a heavy gauge boson in the upcoming LHC run. For constant signal efficiency, the multivariate analysis achieves an increased background rejection by up to a factor 30 compared to our previous tagger. Based on this study and the documentation in the Appendix we release a new HEPTopTagger2 for the upcoming LHC run. It now includes an optimal choice of the size of the fat jet, N-subjettiness, and different modes of Qjets.

preprint2015arXivOpen access
Gregor KasieczkaTilman PlehnTorben SchellThomas StreblerGavin P. Salam
hep-ph
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Gregor KasieczkaTilman PlehnTorben SchellThomas StreblerGavin P. Salam

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