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Signals of doubly-charged Higgsinos at the CERN Large Hadron Collider

Durmuş A. Demir1,2, Mariana Frank3, Katri Huitu4, Santosh Kumar Rai4, and Ismail Turan3

  • 1Department of Physics, Izmir Institute of Technology, IZTECH, TR35430 Izmir, Turkey
  • 2Deutsches Elektronen—Synchrotron, DESY, D-22603 Hamburg, Germany
  • 3Department of Physics, Concordia University, 7141 Sherbrooke Street West, Montreal, Quebec H4B 1R6, Canada
  • 4Department of Physics, University of Helsinki and Helsinki Institute of Physics, P.O. Box 64, FIN-00014 Helsinki, Finland

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Phys. Rev. D 78, 035013 – Published 28 August, 2008

DOI: https://doi.org/10.1103/PhysRevD.78.035013

Abstract

Several supersymmetric models with extended gauge structures, motivated by either grand unification or by neutrino mass generation, predict light doubly-charged Higgsinos. In this work we study productions and decays of doubly-charged Higgsinos present in left-right supersymmetric models, and show that they invariably lead to novel collider signals not found in the minimal supersymmetric model or in any of its extensions motivated by the μ problem or even in extra dimensional theories. We investigate their distinctive signatures at the Large Hadron Collider in both pair- and single-production modes, and show that they are powerful tools in determining the underlying model via the measurements at the Large Hadron Collider experiments.

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Phys. Rev. D 78, 035013– Published 28 August, 2008
  • Received 30 May 2008

© 2008 American Physical Society

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