Phenomenology of a long-lived LSP with R-parity violation

Csaba Csáki, Eric Kuflik, Salvator Lombardo, Oren Slone, Tomer Volansky

Research output: Contribution to journalArticlepeer-review

Abstract

Abstract: We present the leading experimental constraints on supersymmetric models with R-parity violation (RPV) and a long-lived lightest superpartner (LSP). We consider both the well-motivated dynamical RPV scenario as well as the conventional holomorphic RPV operators. Guided by naturalness, we study the cases of stop, gluino, and higgsino LSPs with several possible leading decay channels in each case. The CMS displaced dijet and the ATLAS multitrack displaced vertex searches have been fully recast, with all cuts and vertex reconstruction algorithms applied. Heavy charged stable particle searches by CMS are also applied. In addition, we consider representative bounds for prompt LSP decays that are directly applicable. Our main results are exclusion plots in the mLSP − τLSP plane for the various scenarios. We find that the natural parameter space (Formula Presented) is excluded for a long-lived LSP (τLSP ≳ 1 mm).

Original languageEnglish
Article number16
JournalJournal of High Energy Physics
Volume2015
Issue number8
DOIs
StatePublished - 8 Aug 2015

Keywords

  • Supersymmetry Phenomenology

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