Searches for light sterile neutrinos with multitrack displaced vertices

@article{Cottin2018SearchesFL,
  title={Searches for light sterile neutrinos with multitrack displaced vertices},
  author={Giovanna Cottin and Juan Carlos Helo and Martin S. Hirsch},
  journal={Physical Review D},
  year={2018},
  volume={97},
  pages={055025}
}
We study discovery prospects for long-lived sterile neutrinos at the LHC with multitrack displaced vertices, with masses below the electroweak scale. We reinterpret current displaced vertex searches making use of publicly available, parametrized selection efficiencies for modeling the detector response to displaced vertices. We focus on production of right-handed $W_{R}$ bosons and neutrinos $N$ in a left-right symmetric model, and find poor sensitivity. After proposing a different trigger… 

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References

SHOWING 1-10 OF 107 REFERENCES
Multilepton and lepton jet probes of sub-weak-scale right-handed neutrinos
We propose new searches that exploit the unique signatures of decaying sterile neutrinos with masses below ${M}_{W}$ at the LHC, where they can be produced in rare decays of Standard Model gauge
Probing the Type I Seesaw mechanism with displaced vertices at the LHC
The observation of Higgs decays into heavy neutrinos would be strong evidence for new physics associated to neutrino masses. In this work we propose a search for such decays within the Type I Seesaw
Prompt signals and displaced vertices in sparticle searches for next-to-minimal gauge-mediated supersymmetric models
We study the LHC phenomenology of the next-to-minimal model of gauge-mediated supersymmetry breaking, both for Run I and Run II. The Higgs phenomenology of the model is consistent with observations:
Displaced vertex searches for sterile neutrinos at future lepton colliders
A bstractWe investigate the sensitivity of future lepton colliders to displaced vertices from the decays of long-lived heavy (almost sterile) neutrinos with electroweak scale masses and detectable
Lepton-Jets and Low-Mass Sterile Neutrinos at Hadron Colliders
Sterile neutrinos, if they exist, are potential harbingers for physics beyond the Standard Model. They have the capacity to shed light on our flavor sector, grand unification frameworks, dark matter
LHC search for right-handed neutrinos in Z′ models
A bstractWe consider right-handed neutrino pair production in generic Z′ models. We propose a new, model-independent analysis using final states containing a pair of same-sign muons. A key aspect of
Neutrino jets from high-mass WR gauge bosons in TeV-scale left-right symmetric models
We reexamine the discovery potential at hadron colliders of high-mass right-handed (RH) gauge bosons ${W}_{R}$\char22{}an inherent ingredient of left-right symmetric models (LRSM). We focus on the
Left-Right Symmetric Models at the High-Intensity Frontier
We study constraints on Left-Right Symmetric models from searches of semileptonic decays of $D$, $D_{s}$, $B$ mesons, mediated by heavy neutrinos $N$ with masses $m_N\sim $ GeV that go on their mass
Search for sterile neutrinos decaying into pions at the LHC
We study the possibility to observe sterile neutrinos with masses in the range between 5 GeV and 20 GeV at the LHC, using the exclusive semileptonic modes involving pions, namely W to lepton + N to n
Sterile neutrino searches at future $e^-e^+$, $pp$, and $e^-p$ colliders
Sterile neutrinos are among the most attractive extensions of the SM to generate the light neutrino masses observed in neutrino oscillation experiments. When the sterile neutrinos are subject to a
...
...