Prepared for submission to JHEPKCL-PH-TH/2014-39 LCTS/2014-38 Prospects for observing charginos and neutralinos at a 100 TeV proton-proton collider Bobby S. Acharya,a,bKrzysztof Bo˙zek,aChakrit Pongkitivanichkul,aKazuki Sakuraia aTheoretical Particle Physics & Cosmology, Department of Physics, King’s College London, Lon- don, WC2R 2LS, United Kingdom bThe Abdus Salam International Centre for Theoretical Physics, Trieste, Italy E-mail:bobby.acharya@kcl.ac.uk,krzysztof.bozek@kcl.ac.uk, chakrit.pongkitivanichkul@kcl.ac.uk,kazuki.sakurai@kcl.ac.uk Abstract:We investigate the prospects for discovering charginos and neutralinos at a futureppcollider with√s= 100 TeV. We focus on models where squarks and sleptons are decoupled – as motivated by the LHC data. Our initial study is based on models where Higgsinos form the main component of the LSP andW-inos compose the heavier chargino states (M2> µ), though it is straightforward to consider the reverse situation also. We show that in such scenariosW-inos decay intoW±,Zandhplus neutralinos almost universally. In theW Zchannel we compare signal and background in various kinematical distributions. We design simple but effective signal regions for the trilepton channel and evaluate discovery reach and exclusion limits. Assuming 3000 fb−1of integrated luminosity,W-inos could be discovered (excluded) up to 1.1 (1.8) TeV if the spectrum is not compressed. Keywords:Supersymmetry, Hadron-Hadron Scattering arXiv:1410.1532v1 [hep-ph] 6 Oct 2014
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