Non-Standard Neutrino Interactions at Colliders

Abstract

Many extensions of the Standard Model lead to non-standard neutrino interactions (NSI), which can affect the interpretation of current and future neutrino data. We explore an alternative approach to the study of these dimension eight four fermion interactions (of coefficient $4\epsilon G_F/\sqrt{2}$), by bringing into play collider data. In models where coefficients of potential dimension six operators are suppressed by cancellations, LEP2 provides interesting bounds on NSI operators ($ε\lsim 10^{-2} - 10^{-3}$). If NSI are contact interactions at LHC energies, they induce an effective interaction $\bar{q} q W^+W^- e_\a^+ e_\b^-$(according to the Equivalence Theorem), to which the LHC at 14 TeV and with 100 fb${}^{-1}$ of data has excellent sensitivity ($ε\gsim 3 \times 10^{-3}$).

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Cited by in corpus (14)

• Status of non-standard neutrino interactions
• Neutrino Non-Standard Interactions: A Status Report
• Neutrino Discovery Limit of Dark Matter Direct Detection Experiments in the Presence of Non-Standard Interactions
• A COHERENT Search Strategy for Beyond Standard Model Neutrino Interactions
• Effective Theory and Simple Completions for Neutrino Interactions
• Neutrino Non-Standard Interactions: Complementarity Between LHC and Oscillation Experiments
• New or $\nu$ Missing Energy? Discriminating Dark Matter from Neutrino Interactions at the LHC
• Non-Standard Neutrino Interactions : Obviating Oscillation Experiments
• Probing muonic charged current nonstandard interactions at decay-at-rest facilities in conjunction with T2HK
• Constraints on neutrino non-standard interactions from LHC data with large missing transverse momentum
• Charged Higgs effects in IceCube: PeV events and NSIs
• Charged-current non-standard neutrino interactions at the LHC and HL-LHC
• Neutrino nonstandard interactions: Confronting COHERENT and LHC data
• Non standard neutrino interactions at LEP2 and the LHC