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Long-lived stop at the LHC with or without R-parity

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Published 16 October 2014 • , , Citation L. Covi and F. Dradi JCAP10(2014)039 DOI 10.1088/1475-7516/2014/10/039

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1 Institut für Theoretische Physik, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany

Dates

  1. Received 7 April 2014
  2. Accepted 13 September 2014
  3. Published

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1475-7516/2014/10/039

Abstract

We consider scenarios of gravitino LSP and DM with stop NLSP both within R-parity conserving and R-parity violating supersymmetry (RPC and RPV SUSY, respectively). We discuss cosmological bounds from Big Bang Nucleosynthesis (BBN) and the gravitino abundance and then concentrate on the signals of long-lived stops at the LHC as displaced vertices or metastable particles. Finally we discuss how to distinguish R-parity conserving and R-parity breaking stop decays if they happen within the detector and how to suppress SM backgrounds.

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10.1088/1475-7516/2014/10/039