Manuel Drees, M. Hanussek, Jong Soo Kim
We consider light top squarks (stops) in the minimal supersymmetric Standard
Model at the Large Hadron Collider. Here, we assume that the lightest
neutralino is the lightest supersymmetric particle (LSP) and the lighter stop
is the next-to-LSP. Stop pair production is difficult to probe at the Large
Hadron Collider for small stop-LSP mass splitting. It has been shown previously
that even in this case stop detection is possible if one considers stop pair
production in association with one hard jet. We reconsider this supersymmetric
monojet signature and go beyond previous works by including the full Standard
Model background and optimizing the cuts, working at the hadron level and
including detector effects. As a result, a larger portion of the stop-LSP mass
plane becomes accessible to monojet searches.
View original:
http://arxiv.org/abs/1201.5714
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