18 research outputs found

    Aleochara pseudochrysorrhoa, a new species from southern Brazil (Coleoptera: Staphylinidae: Aleocharinae), with a complete checklist of Neotropical species of the genus

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    Search for the suppressed decays B<sup>+</sup> → K<sup>+</sup>K<sup>+</sup>π<sup>−</sup> and B<sup>+</sup> → π<sup>+</sup>π<sup>+</sup>K<sup>−</sup>

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    Search for Higgs-like bosons decaying into long-lived exotic particles

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    A search is presented for massive long-lived particles, in the 20–60 GeV/c2 mass range with lifetimes between 5 and 100 ps. The dataset used corresponds to 0.62fb-1 of proton-proton collision data collected by the LHCb detector at s=7TeV. The particles are assumed to be pair-produced by the decay of a Higgs-like boson with mass between 80 and 140 GeV/c2. No excess above the background expectation is observed and limits are set on the production cross-section as a function of the long-lived particle mass and lifetime and of the Higgs-like boson mass
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