Boosted Semileptonic Tops in Stop Decays

Details Boosted Semileptonic Tops in Stop Decays Boosted Semileptonic Tops in Stop Decays

2011-02-02

arxiv.org/abs/1102.0557v1

JHEP 1105:135,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

14pages, 4 figues

Scientific paper

10.1007/JHEP05(2011)135

Top partner searches are one of the key aspects of new physics analyses at the LHC. We correct an earlier statement that supersymmetric top searches based on decays to semileptonic tops are not promising. Reconstructing the direction of the boosted leptonic top quark and correlating it with the measured missing transverse energy vector allows us to reduce the top pair background to an easily manageable level. In addition, reconstructing the full momentum of the leptonic top quark determines the stop mass based on an M_{T2} endpoint.

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