Search for long-lived particles decaying into electron or photon pairs with the D0 detector

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ID: 283536
2008
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Abstract
In this Letter we report on a search for long-lived particles that decay into final states with two electrons or photons. Such long-lived particles arise in a variety of theoretical models, like hidden valleys and supersymmetry with gauge-mediated breaking. By precisely reconstructing the direction of the electromagnetic shower we are able to probe much longer lifetimes than previously explored. We see no evidence of the existence of such long-lived particles and interpret this search as a quasi model-independent limit on their production cross section, as well as a limit on a long-lived fourth generation quark.
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abazov2008search Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors D0 Collaboration; V. Abazov
Journal arXiv
Year 2008
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