Stop Reconstruction with Tagged Tops
Tilman Plehn, Michael Spannowsky, Michihisa Takeuchi, Dirk Zerwas
TL;DR
This paper proposes a method using a top tagger to detect stop pair production at the LHC, overcoming combinatorial challenges and enabling top momentum measurement in fully hadronic decays.
Contribution
It introduces the HEPTopTagger algorithm and demonstrates its effectiveness in identifying tops and measuring their momentum in stop searches.
Findings
Successful extraction of stop signals using top tagging
Effective measurement of top momentum in hadronic decays
Enhanced detection prospects for supersymmetric particles
Abstract
At the LHC combinatorics make it unlikely that we will be able to observe stop pair production with a decay to a semi-leptonic top pair and missing energy for generic supersymmetric mass spectra. Using a Standard-Model top tagger on fully hadronic top decays we can not only extract the stop signal but also measure the top momentum. To illustrate the promise of tagging tops with moderate boost we include a detailed discussion of our HEPTopTagger algorithm.
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