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Search for Scalar Top Quarks in the Acoplanar Charm Jets and Missing Transverse Energy Final State in ppbar Collisions at sqrt(s)=1.96 TeV

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Academic year: 2021

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TABLE I: Numbers of data events and cumulative signal ef- ef-ficiency for m t ˜ = 150 and m χ˜ 0 1 = 70 GeV after each event selection.
FIG. 2: Distributions of S = ∆φ max + ∆φ min for data (points with error bars), SM background (histogram), and a signal with m ˜ t = 150 GeV and m χ˜ 0 1 = 70 GeV (hatched histogram) after requiring HF tagging but before optimization.
FIG. 3: Distributions of H T after applying optimized require- require-ments on E/ T and S for data (points with error bars), SM background (histogram), and a signal with m ˜ t = 150 GeV and m χ˜ 0 1 = 70 GeV (hatched histogram).
FIG. 5: Region in the ˜ t– ˜ χ 0 1 mass plane excluded at the 95%

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