Abstract
Thanks to the focus point phenomenon, it is quite natural for the minimal SUGRA model to have a large soft scalar mass ( m 0>1 TeV). A distinctive feature of this model is an inverted hierarchy, where the lighter stop has a significantly smaller mass than the other squarks and sleptons. Consequently, the gluino is predicted to decay dominantly via stop exchange into a channel containing 2 b and 2 W along with the LSP. We exploit this feature to construct a robust signature for this model at the LHC in leptonic channels with 3–4 b tags and a large missing- E T .
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