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A search for squarks and gluinos in final states containing jets, missing transverse momentum and no electrons or muons is presented. The data were recorded by the ATLAS experiment in s=7 TeV proton–proton collisions at the Large Hadron Collider. No excess above the Standard Model background expectation was observed in 35 pb−1 of analysed data. Gluino masses below 500 GeV are excluded at the 95% confidence...
We study the collider phenomenology of sbottom–bino co-annihilation scenario at both the 7 TeV and 14 TeV LHC. This co-annihilation scenario requires that the NLSP sbottom and LSP bino masses are apart by no more than about 20% or so, and for Mb˜1>Mb+Mχ˜10, the sbottom decays exclusively into b+χ˜10. We propose a search for sbottom pairs through bb¯ plus missing energy. By scanning the mass parameters...
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