Is the 125 GeV Higgs the superpartner of a neutrino?

Francesco Riva, Carla Biggio, Alex Pomarol

Research output: Contribution to journalArticleResearchpeer-review

20 Citations (Scopus)

Abstract

Recent LHC searches have provided strong evidence for the Higgs, a boson whose gauge quantum numbers coincide with those of a SM fermion, the neutrino. This raises the mandatory question of whether Higgs and neutrino can be related by supersymmetry. We study this possibility in a model in which an approximate R-symmetry acts as a lepton number. We show that Higgs physics resembles that of the SM-Higgs with the exception of a novel invisible decay into Goldstino and neutrino with a branching fraction that can be as large as ∼ 10%. Based on naturalness criteria, only stops and sbottoms are required to be lighter than the TeV with a phenomenology dictated by the R-symmetry. They have novel decays into quarks+leptons that could be seen at the LHC, allowing to distinguish these scenarios from the ordinary MSSM. © 2013 SISSA.
Original languageEnglish
Pages (from-to)1-20
JournalJournal of High Energy Physics
Volume2013
Issue number2
DOIs
Publication statusPublished - 23 Aug 2013

Keywords

  • Hadronic Colliders
  • Supersymmetry Phenomenology

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