Journal
PHYSICS LETTERS B
Volume 493, Issue 1-2, Pages 127-134Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0370-2693(00)01120-5
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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 2b and 2W 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-ET. (C) 2000 Elsevier Science B.V. All rights reserved.
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