Publicação: Search for resonant pair production of neutral long-lived particles decaying to bb̄ in pp̄ collisions at s=1.96TeV
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We report on a first search for resonant pair production of neutral long-lived particles (NLLP) which each decay to a bb̄ pair, using 3.6fb-1 of data recorded with the D0 detector at the Fermilab Tevatron collider. We search for pairs of displaced vertices in the tracking detector at radii in the range 1.6-20cm from the beam axis. No significant excess is observed above background, and upper limits are set on the production rate in a hidden-valley benchmark model for a range of Higgs boson masses and NLLP masses and lifetimes. © 2009 The American Physical Society.
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Beam axis, Benchmark models, Fermilab Tevatron collider, Higgs boson, Pair production, Production rates, Tracking detectors, Upper limits, Photons, Tellurium compounds, Bosons
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Physical Review Letters, v. 103, n. 7, 2009.
