English

Bi$\boldsymbol{\nu}$o phenomenology at the LHC

High Energy Physics - Phenomenology 2019-01-29 v1

Abstract

We study the LHC constraints on an RR-symmetric SUSY model, where the neutrino masses are generated through higher dimensional operators involving the pseudo-Dirac bino, named biν\nuo. We consider a particle spectrum where the squarks are heavier than the lightest neutralino, which is a pure biν\nuo. The biν\nuo is produced through squark decays and it subsequently decays to a combination of jets and leptons, with or without missing energy, via its mixing with the Standard Model neutrinos. We recast the most recent LHC searches for jets+missing energy with s=13 \sqrt{s}=13~TeV and L=36 fb1\mathcal{L}=36~{\rm fb}^{-1} of data to determine the constraints on the squark and biν\nuo masses in this model. We find that squarks as light as 350~GeV are allowed if the biν\nuo is lighter than 150~GeV and squarks heavier than 950~GeV are allowed for any biν\nuo mass. We also present forecasts for the LHC with s=13\sqrt{s}=13~TeV and L=300 fb1\mathcal{L}=300~{\rm fb}^{-1} and show that squarks up to 1150~GeV can be probed.

Keywords

Cite

@article{arxiv.1901.09284,
  title  = {Bi$\boldsymbol{\nu}$o phenomenology at the LHC},
  author = {Patrick J. Fox and Julia Gehrlein and Seyda Ipek},
  journal= {arXiv preprint arXiv:1901.09284},
  year   = {2019}
}