Strategies for Probing Non-Minimal Dark Sectors at Colliders: The Interplay Between Cuts and Kinematic Distributions

Abstract

In this paper, we examine the strategies and prospects for distinguishing between traditional dark-matter models and models with non-minimal dark sectors --- including models of Dynamical Dark Matter (DDM) --- at hadron colliders. For concreteness, we focus on events with two hadronic jets and large missing transverse energy at the Large Hadron Collider (LHC). As we discuss, simple "bump-hunting" searches are not sufficient; probing non-minimal dark sectors typically requires an analysis of the actual shapes of the distributions of relevant kinematic variables. We therefore begin by identifying those kinematic variables whose distributions are particularly suited to this task. However, as we demonstrate, this then leads to a number of additional subtleties, since cuts imposed on the data for the purpose of background reduction can at the same time have the unintended consequence of distorting these distributions in unexpected ways, thereby obscuring signals of new physics. We therefore proceed to study the correlations between several of the most popular relevant kinematic variables currently on the market, and investigate how imposing cuts on one or more of these variables can impact the distributions of others. Finally, we combine our results in order to assess the prospects for distinguishing non-minimal dark sectors in this channel at the upgraded LHC.

arXiv comment16 pages, LaTeX, 7 figures, 1 table

References in corpus (57)

• Planck 2013 results. XVI. Cosmological parameters
• Supersymmetric Dark Matter
• FeynRules 2.0 - A complete toolbox for tree-level phenomenology
• MadGraph 5 : Going Beyond
• Dark Matter Candidates from Particle Physics and Methods of Detection
• Measuring masses of semi-invisibly decaying particles pair produced at hadron colliders
• m_T2 : the truth behind the glamour
• The WIMPless Miracle: Dark Matter Particles without Weak-scale Masses or Weak Interactions
• Search for Supersymmetry at the LHC in Events with Jets and Missing Transverse Energy
• Double-Disk Dark Matter
• Multi-Component Dark Matter
• Light and Heavy Dark Matter Particles
• Gluino Stransverse Mass
• Dynamical Dark Matter: I. Theoretical Overview
• Measuring superparticle masses at hadron collider using the transverse mass kink
• Search for supersymmetry in hadronic final states with missing transverse energy using the variables AlphaT and b-quark multiplicity in pp collisions at 8 TeV
• A Dark-Disk Universe
• Semi-annihilation of Dark Matter
• On measuring the masses of pair-produced semi-invisibly decaying particles at hadron colliders
• Direct Detection of Multi-component Secluded WIMPs
• Dynamical Dark Matter: II. An Explicit Model
• Dark Matter Particle Spectroscopy at the LHC: Generalizing MT2 to Asymmetric Event Topologies
• Dijet Searches for Supersymmetry at the LHC
• Nonabelian dark matter: models and constraints
• Transverse masses and kinematic constraints: from the boundary to the crease
• Mixed axion/neutralino cold dark matter in supersymmetric models
• Multi-Component Dark Matter Systems and Their Observation Prospects
• Multicomponent Dark Matter in Supersymmetric Hidden Sector Extensions
• Discovering anomaly-mediated supersymmetry at the LHC
• Superpartner mass measurements with 1D decomposed MT2
• Can we discover dual-component thermal WIMP dark matter?
• Supersymmetric particle mass measurement with the boost-corrected contransverse mass
• Two-loop radiative seesaw with multicomponent dark matter explaining the possible gamma excess in the Higgs boson decay and at the Fermi LAT
• A Supersymmetric U(1)' Model with Multiple Dark Matters
• A general method for determining the masses of semi-invisibly decaying particles at hadron colliders
• Coupled Boltzmann calculation of mixed axion/neutralino cold dark matter production in the early universe
• Cosmological consequences of Yukawa-unified SUSY with mixed axion/axino cold and warm dark matter
• Distinguishing Dynamical Dark Matter at the LHC
• Two dark matter components in N_{DM}MSSM and dark matter extension of the minimal supersymmetric standard model and the high energy positron spectrum in PAMELA/HEAT data
• Dynamical Dark Matter and the Positron Excess in Light of AMS
• Two component dark matter
• Distinguishing Dark Matter Stabilization Symmetries Using Multiple Kinematic Edges and Cusps
• Phenomenological Constraints on Axion Models of Dynamical Dark Matter
• Direct Detection of Dynamical Dark Matter
• A Dark Matter Model with Non-Abelian Gauge Symmetry
• Using M_T2 to Distinguish Dark Matter Stabilization Symmetries
• Imprint of Multi-component Dark Matter on AMS-02
• Using Energy Peaks to Count Dark Matter Particles in Decays
• Doubly Coexisting Dark Matter Candidates in an Extended Seesaw Model
• Amplification of endpoint structure for new particle mass measurement at the LHC
• The Supersymmetric Standard Models with Decay and Stable Dark Matters
• Mass measurement in boosted decay systems at hadron colliders
• Measuring Invisible Particle Masses Using a Single Short Decay Chain
• Lepton Energy Asymmetry and Precision SUSY study at Hadron Colliders
• The relic density of shadow dark matter candidates
• New Interpretation of the Recent Result of AMS-02 and Multi-component Decaying Dark Matters with non-Abelian Discrete Flavor Symmetry
• Cosmic Ray Excesses from Multi-component Dark Matter Decays

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• Dynamical Dark Matter from Strongly-Coupled Dark Sectors
• Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies
• Lines and Boxes: Unmasking Dynamical Dark Matter through Correlations in the MeV Gamma-Ray Spectrum
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• Boxes, Boosts, and Energy Duality: Understanding the Galactic-Center Gamma-Ray Excess through Dynamical Dark Matter
• Dark Spectroscopy
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• Non-Minimal Dark Sectors: Mediator-Induced Decay Chains and Multi-Jet Collider Signatures
• Constraining Dark-Matter Ensembles with Supernova Data
• Randomness in the Dark Sector: Emergent Mass Spectra and Dynamical Dark Matter Ensembles
• Z-portal Continuum Dark Matter
• Kaluza-Klein Towers in the Early Universe: Phase Transitions, Relic Abundances, and Applications to Axion Cosmology
• The Continuum Dark Matter Zoo
• Auto-Concealment of Supersymmetry in Extra Dimensions
• Two component dark matter with multi-Higgs portals
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• The Forward Physics Facility at the High-Luminosity LHC