Compressed electroweakino spectra at the LHC

Abstract

In this work, we examine the sensitivity of monojet searches at the LHC to directly produced charginos and neutralinos (electroweakinos) in the limit of small mass splitting, where the traditional multilepton plus missing energy searches loose their sensitivity. We first recast the existing 8 TeV monojet search at CMS in terms of a SUSY simplified model with only light gauginos (winos and binos) or only light higgsinos. The current searches are not sensitive to MSSM like production cross sections, but would be sensitive to models with 2-20 times enhanced production cross section, for particle masses between 100 GeV and 250 GeV. Then we explore the sensitivity in the 14 TeV run of the LHC. Here we emphasise that in addition to the pure monojet search, soft leptons present in the samples can be used to increase the sensitivity. Exclusion of electroweakino masses up to 200 GeV is possible with 300 fb${}^{-1}$ at the LHC, if the systematic error can be reduced to the 1% level. Discovery is possible with 3000 fb${}^{-1}$ in some regions of parameter space.

22 pages, 10 figures. Minor corrections, references added, matched published version

References in corpus (7)

• PYTHIA 6.4 Physics and Manual
• -- HATHOR -- HAdronic Top and Heavy quarks crOss section calculatoR
• Performance of CMS muon reconstruction in pp collision events at sqrt(s) = 7 TeV
• The Tevatron at the Frontier of Dark Matter Direct Detection
• Searching for Directly Decaying Gluinos at the Tevatron
• Simplified Models of Mixed Dark Matter
• Light Stop Searches at the LHC in Events with One Hard Photon or Jet and Missing Energy

Cited by in corpus (112)

• Long-Lived Particles at the Energy Frontier: The MATHUSLA Physics Case
• Searching for long-lived particles beyond the Standard Model at the Large Hadron Collider
• Exploring new models in all detail with SARAH
• Neutralino Dark Matter at 14 and 100 TeV
• Discovering Inelastic Thermal-Relic Dark Matter at Colliders
• WIMPs at the Galactic Center
• Monojet plus soft dilepton signal from light higgsino pair production at LHC14
• Search for electroweak production of supersymmetric states in scenarios with compressed mass spectra at $\sqrt{s}=13$ TeV with the ATLAS detector
• Search for new physics in events with two soft oppositely charged leptons and missing transverse momentum in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Towards the Final Word on Neutralino Dark Matter
• Closing the window for compressed Dark Sectors with disappearing charged tracks
• Uncovering Natural Supersymmetry via the interplay between the LHC and Direct Dark Matter Detection
• The pMSSM10 after LHC Run 1
• Singlet-Doublet Dark Matter Freeze-in: LHC displaced signatures versus cosmology
• Accessing the core of naturalness, nearly degenerate higgsinos, at the LHC
• The Coannihilation Codex
• The Relic Neutralino Surface at a 100 TeV collider
• LHC Tests of Light Neutralino Dark Matter without Light Sfermions
• Prospects for Electroweakino Discovery at a 100 TeV Hadron Collider
• Physics at a Higgsino Factory
• The discreet charm of higgsino dark matter - a pocket review
• Unblinding the Dark Matter Blind Spots
• Leptophilic dark matter from gauged lepton number: Phenomenology and gravitational wave signatures
• Low fine tuning in the MSSM with higgsino dark matter and unification constraints
• New Physics Opportunities for Long-Lived Particles at Electron-Proton Colliders
• Compressing the Inert Doublet Model
• Constraining the minimal dark matter fiveplet with LHC searches
• LHC Searches for Dark Matter in Compressed Mass Scenarios: Challenges in the Forward Proton Mode
• Simplified Phenomenology for Colored Dark Sectors
• Charged Fermions Below 100 GeV
• A new approach for detecting compressed bino/wino at the LHC
• Multi-channel assault on natural supersymmetry at the high luminosity LHC
• Probing Compressed Sleptons at the LHC using Vector Boson Fusion Processes
• Probing the MSSM explanation of the muon g-2 anomaly in dark matter experiments and at a 100 TeV $pp$ collider
• Electroweakino constraints from LHC data
• Detecting underabundant neutralinos
• Neutralinos and Sleptons at the LHC in Light of Muon $(g-2{)}_{\mu }$
• Present Status and Future Tests of the Higgsino-Singlino Sector in the NMSSM
• The Reach of the High-Energy LHC for Gluinos and Top Squarks in SUSY Models with Light Higgsinos
• LHC luminosity and energy upgrades confront natural supersymmetry models
• Leptoquark manoeuvres in the dark: a simultaneous solution of the dark matter problem and the $R_{D^{(\ast )}}$ anomalies
• Strong constraints of LUX-2016 results on the natural NMSSM
• Search for supersymmetry in events with soft leptons, low jet multiplicity, and missing transverse momentum in proton-proton collisions at sqrt(s) = 8 TeV
• The Not-So-Well Tempered Neutralino
• LHC Collider Phenomenology of Minimal Universal Extra Dimensions
• Probing bino-wino coannihilation dark matter under the neutrino floor at the LHC
• Single top squark production as a probe of natural supersymmetry at the LHC
• Leptonic WIMP Coannihilation and the Current Dark Matter Search Strategy
• Revisiting the Exclusion Limits from Direct Chargino-Neutralino Production at the LHC
• Probing Dark Matter with Disappearing Tracks at the LHC
• Upper bounds on sparticle masses from muon g-2 and the Higgs mass and the complementarity of future colliders
• Catching sparks from well-forged neutralinos
• Searching for Singlino-Higgsino Dark Matter in the NMSSM
• The Higgsino-Singlino World at the Large Hadron Collider
• The minimal fermionic model of electroweak baryogenesis
• Implications of an axino LSP for naturalness
• Long-lived bino and wino in supersymmetry with heavy scalars and higgsinos
• A boost for the EW SUSY hunt: monojet-like search for compressed sleptons at LHC14 with 100 fb^-1
• Probing new $U(1)$ gauge symmetries via exotic $Z\to Z^{\prime }\gamma$ decays
• Naturalness, b to s gamma, and SUSY Heavy Higgses
• Aspects of the same-sign diboson signature from wino pair production with light higgsinos at the high luminosity LHC
• Confronting the neutralino and chargino sector of the NMSSM to the multi-lepton searches at the LHC
• Impact of LHC data on muon $g-2$ solutions in vector-like extension of the Constrained MSSM
• Illuminating New Electroweak States at Hadron Colliders
• Superparticle phenomenology from the natural mini-landscape
• Spotting hidden sectors with Higgs binoculars
• MT2 to the Rescue -- Searching for Sleptons in Compressed Spectra at the LHC
• Virtual signatures of dark sectors in Higgs couplings
• Deep Learning Jet Image as a Probe of Light Higgsino Dark Matter at the LHC
• Realistic simplified gaugino-higgsino models in the MSSM
• Studying the sensitivity of monotop probes to compressed supersymmetric scenarios at the LHC
• Light (and darkness) from a light hidden Higgs
• An indirect probe of higgsino world at the CEPC
• Pseudo-goldstino and electroweakinos via VBF processes at LHC
• Monojet Searches for MSSM Simplified Models
• Natural Supersymmetry: Status and Prospects
• Dark Matter from the Supersymmetric Custodial Triplet Model
• Improving naturalness in Gauge Mediation with non-unified messenger sectors
• Searching for the light Higgsinos in MSSM at the future e-p colliders
• The past, present and future of the heavier electroweakinos in the light of LHC and other data
• Enhancing the discovery prospects for SUSY-like decays with a forgotten kinematic variable
• Auto-Concealment of Supersymmetry in Extra Dimensions
• Soft displaced leptons at the LHC
• Pseudo-goldstino and electroweak gauginos at the LHC
• The case for 100 GeV bino dark matter: A dedicated LHC tri-lepton search
• Supersymmetry: Aspirations and Prospects
• Pseudo-Dirac Higgsino dark matter in GUT scale supersymmetry
• Charting generalized supersoft supersymmetry
• Constraining compressed versions of MUED and MSSM using soft tracks at the LHC
• Exploring nearly degenerate higgsinos using mono-$Z/W$ signal
• LHC constraints on electroweakino dark matter revisited
• Precision unification and Higgsino dark matter in GUT scale supersymmetry
• Chasing New Physics in Stacks of Soft Tracks
• Non-perturbative effects for dark sectors with QCD portals
• Taking aim at the wino-higgsino plane with the LHC
• Search for the SUSY Electroweak Sector at $ep$ Colliders
• Probing quadruplet scalar dark matter at current and future $pp$ colliders
• Slepton pair production in association with a jet: NLO-QCD corrections and parton-shower effects
• Multilepton Signatures from Dark Matter at the LHC
• Extending the Reach of Compressed Gluinos at the LHC
• Low Fine Tuning in Yukawa-deflected Gauge Mediation
• Light Higgsino as the tail of the $\mu$-$B_{\mu }$ solution
• Inert sextuplet scalar dark matter at the LHC and future colliders
• Limiting SUSY compressed spectra scenarios
• Probing compressed dark sectors at 100 TeV in the dileptonic mono-Z channel
• Higgsino Dark Matter in an economical Scherk-Schwarz setup
• Same-sign Higgsino Production at the CERN LHC: How Not to Hunt for Natural Supersymmetry
• Probing compressed mass spectra in electroweak supersymmetry with Recursive Jigsaw Reconstruction
• Closing in on the Wino LSP via trilepton searches at the LHC
• Probing Electroweak Dark Matter at 14 TeV LHC
• Probing Compressed Mass Spectrum Supersymmetry at the LHC with the Vector Boson Fusion Topology
• Probing dark sector fermions in Higgs precision studies and direct searches