Abstract
Light top squarks (stops) and light higgsinos are the key features of natural supersymmetry (SUSY), where the higgsinos and are nearly degenerate and act as the missing transverse energy () at the LHC. Besides the pair production via strong interaction, the stop can be produced via the electroweak interaction. The determination of the electroweak properties of the stop is an essential task for the LHC and future colliders. So, in this paper, we investigate the single stop () production via the electroweak interaction in natural SUSY at the LHC, which gives the monotop signature from or the monobottom signature from . We perform Monte Carlo simulations for these signatures and obtain the observations: (1) The signal has a better sensitivity than for probing natural SUSY; (2) the parameter region with a higgsino mass and stop mass can be probed through such single stop production with and at the 14 TeV LHC with an integrated luminosity of .
- Received 1 June 2015
DOI:https://doi.org/10.1103/PhysRevD.93.035003
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